Mitsubishi Outlander: DTC C100A, C1015, C1020, C102B, C1011, C101C, C1027, C1032, C1014, C101F, C102A, C1035
DTC C100A: Abnormality in FL wheel speed sensor circuit
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines.
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the voltage fluctuation in each wheel speed sensor circuit. If ASC-ECU detects the open or short circuit in the circuit, it will set a diagnostic trouble code.
PROBABLE CAUSES
Current trouble
- Damaged wiring harness and connectors
- Noise interference
- Malfunction of wheel speed sensor
- ASC-ECU malfunction
Past trouble
- Carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble (GROUP 00 − How to Use Troubleshooting/ How to Treat Past Trouble).
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- MB991997: ASC check harness
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C − CAN Bus Diagnostics Table). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C100A set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check the data list
Check the following data list.
- Item No.01: FL wheel speed sensor
Q: Is the check result normal?
YES : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunction).
NO : Go to Step 4.
STEP 4. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the voltage at the special tool
connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.45 and the body
ground and between the wheel speed sensor ground
terminal No.46 and the body ground.
OK: 1Volt or less
Q: Is the check result normal?
YES : Go to Step 5.
NO (Not normal at the terminal No.45 or 46) : Go to Step 6.
STEP 5. Resistance measurement at A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the resistance at the special
tool connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Measure the resistance between the wheel speed sensor
power supply terminal (signal terminal) No.45 and the body
ground and between the wheel speed sensor ground
terminal No.46 and the body ground.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 8.
NO (Not normal at the terminal No.45 or 46) : Go to Step 6.
STEP 6. Connector check: A-02 ASC-ECU connector, A-11 front wheel speed sensor <LH> connector
Q: Is the check result normal?
YES : Go to Step 7.
NO : Repair the defective connector.
STEP 7. Wiring harness check between A-02 ASC-ECU connector terminal No.45 and A-11 front wheel speed sensor <LH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.46 and A-11 front wheel speed sensor <LH> connector terminal No.2.
- Check for short circuit in front wheel speed sensor <LH> circuit
Q: Is the check result normal?
YES : Replace the wheel speed sensor <FL>.
NO : Repair the wiring harness.
STEP 8. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool ASC check harness (MB991997) to the ASC-ECU-side connector and harness-side connector, and then measure the voltage at the special tool connector side.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.45 and body
ground, and between the ground terminal No.46 and body
ground.
OK:
Terminal No.45 and body ground: Approximately system voltage
Terminal No.46 and body ground: 1 volt or less
Q: Is the check result normal?
YES : Go to Step 9.
NO : Go to Step 11.
STEP 9. Wiring harness check between A-02 ASC-ECU connector terminal No.45 and A-11 front wheel speed sensor <LH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.46 and A-11 front wheel speed sensor <LH> connector terminal No.2.
- Check for open circuit in front wheel speed sensor <LH> circuit.
Q: Is the check result normal?
YES : Go to Step 10.
NO : Repair the wiring harness.
STEP 10. Check for wheel speed sensor <FL> as a single unit
Q: Is the check result normal?
YES : Go to Step 11.
NO : Replace the wheel speed sensor <FL>
STEP 11. Connector check: A-02 ASC-ECU connector, A-11 front wheel speed sensor <LH> connector
Q: Is the check result normal?
YES : Go to Step 12.
NO : Repair the defective connector.
STEP 12. Check whether the diagnostic trouble code is reset.
- Erase the diagnostic trouble code.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C100A set?
YES : Replace the hydraulic unit (integrated with ASC-ECU).
NO : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
DTC C1015 Abnormality in FR wheel speed sensor circuit
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C − CAN Bus Line Diagnostic Flow).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the voltage fluctuation in each wheel speed sensor circuit. If ASC-ECU detects the open or short circuit in the circuit, it will set a diagnostic trouble code.
PROBABLE CAUSES
Current trouble
- Damaged wiring harness and connectors
- Noise interference
- Malfunction of wheel speed sensor
- ASC-ECU malfunction
Past trouble
- Carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble (GROUP 00 − How to Use Troubleshooting/ How to Treat Past Trouble).
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- MB991997: ASC check harness
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C − CAN Bus Diagnostics Table). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C1015 set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check data list
Check the following data list.
- Item No.02: FR wheel speed sensor
Q: Is the check result normal?
YES : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
NO : Go to Step 4.
STEP 4. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the voltage at the special tool
connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.34 and the body
ground and between the wheel speed sensor ground
terminal No.33 and the body ground.
OK: 1 Volt or less
Q: Is the check result normal?
YES : Go to Step 5.
NO (Not normal at the terminal No.34 or 33) : Go to Step 6.
STEP 5. Resistance measurement at A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the resistance at the special
tool connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Measure the resistance between the wheel speed sensor
power supply terminal (signal terminal) No.34 and the body
ground and between the wheel speed sensor ground
terminal No.33 and the body ground.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 8.
NO (Not normal at the terminal No.34 or 33) : Go to Step 6.
STEP 6. Connector check: A-02 ASC-ECU connector, A-59 front wheel speed sensor <RH> connector
Q: Is the check result normal?
YES : Go to Step 7.
NO : Repair the defective connector.
STEP 7. Wiring harness check between A-02 ASC-ECU connector terminal No.34 and A-59 front wheel speed sensor <RH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.33 and A-59 front wheel speed sensor <RH> connector terminal No.2.
- Check for short circuit in front wheel speed sensor <RH> circuit
Q: Is the check result normal?
YES : Replace the wheel speed sensor <FR>
NO : Repair the wiring harness.
STEP 8. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool ASC check harness (MB991997) to the ASC-ECU-side connector and harness-side connector, and then measure the voltage at the special tool connector side.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.34 and body
ground, and between the ground terminal No.33 and body
ground.
OK:
Terminal No.34 and body ground: Approximately system voltage
Terminal No.33 and body ground: 1 volt or less
Q: Is the check result normal?
YES : Go to Step 9.
NO : Go to Step 11.
STEP 9. Wiring harness check between A-02 ASC-ECU connector terminal No.34 and A-59 front wheel speed sensor <RH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.33 and A-59 front wheel speed sensor <RH> connector terminal No.2.
- Check for open circuit in front wheel speed sensor <RH> circuit.
Q: Is the check result normal?
YES : Go to Step 10.
NO : Repair the wiring harness.
STEP 10. Check for wheel speed sensor <FR> as a single unit
Q: Is the check result normal?
YES : Go to Step 11.
NO : Replace the wheel speed sensor <FR>
STEP 11. Connector check: A-02 ASC-ECU connector, A-59 front wheel speed sensor <RH> connector
Q: Is the check result normal?
YES : Go to Step 12.
NO : Repair the defective connector.
STEP 12. Check whether the diagnostic trouble code is reset.
- Erase the diagnostic trouble code.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C1015 set?
YES : Replace the hydraulic unit (integrated with ASC-ECU).
NO : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
DTC C1020 Abnormality in RL wheel speed sensor circuit
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines.
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the voltage fluctuation in each wheel speed sensor circuit. If ASC-ECU detects the open or short circuit in the circuit, it will set a diagnostic trouble code.
PROBABLE CAUSES
Current trouble
- Damaged wiring harness and connectors
- Noise interference
- Malfunction of wheel speed sensor
- ASC-ECU malfunction
Past trouble
Carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble.
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- MB991997: ASC check harness
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C − CAN Bus Diagnostics Table). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C1020 set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check the data list
Check the following data list.
- Item No.03: RL wheel speed sensor
Q: Is the check result normal?
YES : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
NO : Go to Step 4.
STEP 4. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the voltage at the special tool
connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.36 and the body
ground and between the wheel speed sensor ground
terminal No.37 and the body ground.
OK: 1 Volt or less
Q: Is the check result normal?
YES : Go to Step 5.
NO (Not normal at the terminal No.36 or 37) : Go to Step 6.
STEP 5. Resistance measurement at A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the resistance at the special
tool connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Measure the resistance between the wheel speed sensor
power supply terminal (signal terminal) No.36 and the body
ground and between the wheel speed sensor ground
terminal No.37 and the body ground.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 8.
NO (Not normal at the terminal No.36 or 37) : Go to Step 6.
STEP 6. Connector check: A-02 ASC-ECU connector, C-129 intermediate connector, D-114 rear wheel speed sensor <LH> connector
Q: Is the check result normal?
YES : Go to Step 7.
NO : Repair the defective connector.
STEP 7. Wiring harness check between A-02 ASC-ECU connector terminal No.36 and D-114 rear wheel speed sensor <LH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.37 and D-114 rear wheel speed sensor <LH> connector terminal No.2
- Check for short circuit in rear wheel speed sensor <LH> circuit
Q: Is the check result normal?
YES : Replace the wheel speed sensor <RL>.
NO : Repair the wiring harness.
STEP 8. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool ASC check harness (MB991997) to the ASC-ECU-side connector and harness-side connector, and then measure the voltage at the special tool connector side.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.36 and body
ground, and between the ground terminal No.37 and body
ground.
OK:
Terminal No.36 and body ground: Approximately system voltage
Terminal No.37 and body ground: 1 volt or less
Q: Is the check result normal?
YES : Go to Step 9.
NO : Go to Step 11.
STEP 9. Wiring harness check between A-02 ASC-ECU connector terminal No.36 and D-114 rear wheel speed sensor <LH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.37 and D-114 rear wheel speed sensor <LH> connector terminal No.2.
- Check for open circuit in wheel speed sensor <RL> circuit
Q: Is the check result normal?
YES : Go to Step 10.
NO : Repair the wiring harness.
STEP 10. Check for wheel speed sensor <RL> as a single unit
Q: Is the check result normal?
YES : Go to Step 11.
NO : Replace the wheel speed sensor <RL>.
STEP 11. Connector check: A-02 ASC-ECU connector, D-114 rear wheel speed sensor <LH> connector
Q: Is the check result normal?
YES : Go to Step 12.
NO : Repair the defective connector.
STEP 12. Check whether the diagnostic trouble code is reset.
- Erase the diagnostic trouble code.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C1020 set?
YES : Replace the hydraulic unit (integrated with ASC-ECU).
NO : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
DTC C102B Abnormality in RR wheel speed sensor circuit
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C − CAN Bus Line Diagnostic Flow).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the voltage fluctuation in each wheel speed sensor circuit. If ASC-ECU detects the open or short circuit in the circuit, it will set a diagnostic trouble code.
PROBABLE CAUSES
Current trouble
- Damaged wiring harness and connectors
- Noise interference
- Malfunction of wheel speed sensor
- ASC-ECU malfunction
Past trouble
- Carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble (GROUP 00 − How to Use Troubleshooting/ How to Treat Past Trouble).
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- MB991997: ASC check harness
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines. On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C102B set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check data list
Check the following data list.
- Item No.04: RR wheel speed sensor
Q: Is the check result normal?
YES : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunction).
NO : Go to Step 4.
STEP 4. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the voltage at the special tool
connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.43 and the body
ground and between the wheel speed sensor ground
terminal No.42 and the body ground.
OK: 1 Volt or less
Q: Is the check result normal?
YES : Go to Step 5.
NO (Not normal at the terminal No.43 or 42) : Go to Step 6.
STEP 5. Resistance measurement at A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool
ASC check harness (MB991997) to the harness-side
connector, and then measure the resistance at the special
tool connector side.
NOTE: Do not connect the special tool to ASC-ECU.
- Measure the resistance between the wheel speed sensor
power supply terminal (signal terminal) No.43 and the body
ground and between the wheel speed sensor ground
terminal No.42 and the body ground.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 8.
NO (Not normal at the terminal No.43 or 42) : Go to Step 6.
STEP 6. Connector check: A-02 ASC-ECU connector, C-129 intermediate connector, D-133 rear wheel speed sensor <RH> connector
Q: Is the check result normal?
YES : Go to Step 7.
NO : Repair the defective connector.
STEP 7. Wiring harness check between A-02 ASC-ECU connector terminal No.43 and D-133 rear wheel speed sensor <RH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.42 and D-133 rear wheel speed sensor <RH> connector terminal No.2
- Check for short circuit in rear wheel speed sensor <RH> circuit
Q: Is the check result normal?
YES : Replace the wheel speed sensor <RR>.
NO : Repair the wiring harness.
STEP 8. Voltage measurement at the A-02 ASC-ECU connector
- Disconnect the ASC-ECU connector, connect special tool ASC check harness (MB991997) to the ASC-ECU-side connector and harness-side connector, and then measure the voltage at the special tool connector side.
- Turn the ignition switch to the "ON" position.
- Measure the voltage between the wheel speed sensor
power supply terminal (signal terminal) No.43 and body
ground, and between the ground terminal No.42 and body
ground.
OK:
Terminal No.43 and body ground: Approximately system voltage
Terminal No.42 and body ground: 1 volt or less
Q: Is the check result normal?
YES : Go to Step 9.
NO : Go to Step 11.
STEP 9. Wiring harness check between A-02 ASC-ECU connector terminal No.43 and D-133 rear wheel speed sensor <RH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.42 and D-133 rear wheel speed sensor <RH> connector terminal No.2.
- Check for open circuit in rear wheel speed sensor <RH> circuit
Q: Is the check result normal?
YES : Go to Step 10.
NO : Repair the wiring harness.
STEP 10. Check for wheel speed sensor <RR> as a single unit
Q: Is the check result normal?
YES : Go to Step 11.
NO : Replace the wheel speed sensor <RR>.
STEP 11. Connector check: A-02 ASC-ECU connector, D-133 rear wheel speed sensor <RH> connector
Q: Is the check result normal?
YES : Go to Step 12.
NO : Repair the defective connector.
STEP 12. Check whether the diagnostic trouble code is reset.
- Erase the diagnostic trouble code.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C102B set?
YES : Replace the hydraulic unit (integrated with ASC-ECU).
NO : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
DTC C1011: Abnormality in FL wheel speed sensor signal
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C − CAN Bus Line Diagnostic Flow).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the signals from each wheel speed sensor while the vehicle is being driven. If any fault below is found in these sensor signals, ASC-ECU will set the relevant diagnostic trouble code.
- Irregular change in the wheel speed sensor signal
- Wheel speed sensor signal continuously indicates high value.
PROBABLE CAUSES
Current trouble
- Excessive gap between the wheel speed sensor and the wheel speed detection encoder
- Adhesion of foreign materials on the wheel speed sensor
- Adhesion of foreign materials on the wheel speed detection encoder
- Wheel bearing malfunction
- Malfunction of wheel speed sensor
- Damaged wiring harness and connectors
- External noise interference
- Improper installation of the wheel speed sensor
- Deformation of the wheel speed detection encoder
- ASC-ECU malfunction
- Disturbance of magnetization pattern for wheel speed detection encoder
- The number of poles on the Magnetic encoder for wheel speed detection (N-pole and S-pole) is changed
Past trouble
- When the diagnostic trouble code No. C100A is also set, carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble.
- When the diagnostic trouble code No. C100A is not set, the
following conditions may be present:
- Some wheels slip
- Unstable vehicle attitude
- External noise interference
- Vehicle ran with the parking brake applied.
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C − CAN Bus Diagnostics Table). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C1011 set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check the DTC
Check that DTC C100A is also set.
Q: Is DTC C100A also set?
YES : Perform the diagnosis for DTC C100A.
NO : Go to Step 4.
STEP 4. Connector check: A-02 ASC-ECU connector, A-11 front wheel speed sensor <LH> connector
Q: Is the check result normal?
YES : Go to Step 5.
NO : Repair the defective connector. Then go to Step 12.
STEP 5. Wiring harness check between A-02 ASC-ECU connector terminal No.45 and A-11 front wheel speed sensor <LH> connector terminal No.1, and between A-02 ASC-ECU connector terminal No.46 and A-11 front wheel speed sensor <LH> connector terminal No.2
Q: Is the check result normal?
YES : Go to Step 6.
NO : Repair the wiring harness. Then go to Step 12.
STEP 6. Check for wheel speed sensor <FL> installation Check how the wheel speed sensor <FL> is installed (Disconnection of wheel speed sensor <FL>, loose mounting bolt, etc.).
Q: Is the check result normal?
YES : Go to Step 7.
NO : Reinstall the wheel speed sensor <FL> correctly. Then go to Step 7.
STEP 7. Check for wheel speed sensor <FL> output current
Q: Is the check result normal?
YES : Go to Step 8.
NO : Replace the wheel speed sensor <FL>. Then go to Step 11.
STEP 8. Check for wheel bearing looseness
NOTE:
- Loose wheel bearing may increase the gap between the wheel speed sensor <FL> and the wheel speed detection magnet encoder.
- Check the wheel bearing <FL> for looseness.
Q: Is the check result normal?
YES : Go to Step 9.
NO : Replace the wheel bearing <FL> (Refer to GROUP 26 − Front axle hub assembly). Then go to Step 12.
STEP 9. Check of wheel speed detection encoder
Check the encoder for adhesion of foreign materials or deformation.
Q: Is the check result normal?
YES : Go to Step 10.
NO (Adhesion of foreign materials) : Remove the foreign materials and clean the encoder so as not to disturb the magnetization pattern on it while taking care of the magnet, magnetic substance, and magnetic attraction. Then go to Step 12.
NO (Deformation) : Replace the wheel bearing <FL> (Refer to GROUP 26 − Front axle hub assembly). Then go to Step 12.
STEP 10. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12mph (20 km/h) or higher.
Q: Is DTC C1011 set?
YES : Replace the wheel speed sensor <FL>. Then go to Step 11.
NO : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
STEP 11. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C1011 set?
YES : Replace the hydraulic unit (integrated with ASC-ECU). Then go to Step 12.
NO : The procedure is complete.
STEP 12. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C1011 set?
YES : Return to Step 1.
NO : The procedure is complete.
DTC C101C Abnormality in FR wheel speed sensor signal
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C − CAN Bus Line Diagnostic Flow).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the signals from each wheel speed sensor while the vehicle is being driven. If any fault below is found in these sensor signals, ASC-ECU will set the relevant diagnostic trouble code.
- Irregular change in the wheel speed sensor signal
- Wheel speed sensor signal continuously indicates high value.
PROBABLE CAUSES
Current trouble
- Excessive gap between the wheel speed sensor and the wheel speed detection encoder
- Adhesion of foreign materials on the wheel speed sensor
- Adhesion of foreign materials on the wheel speed detection encoder
- Wheel bearing malfunction
- Malfunction of wheel speed sensor
- Damaged wiring harness and connectors
- External noise interference
- Improper installation of the wheel speed sensor
- Deformation of the wheel speed detection encoder
- ASC-ECU malfunction
- Disturbance of magnetization pattern for wheel speed detection encoder
- The number of poles on the Magnetic encoder for wheel speed detection (N-pole and S-pole) is changed
Past trouble
- When the diagnostic trouble code No. C1015 is also set, carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble (Refer to GROUP 00 − How to Use Troubleshooting/How to Treat Past Trouble).
- When diagnostic trouble code No. C1015 is not set, the following
conditions may be present:
- Some wheels slip
- Unstable vehicle attitude
- External noise interference
- Vehicle ran with the parking brake applied.
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
- MB991997: ASC check harness
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C − CAN Bus Diagnostics Table). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C101C set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check the DTC
Check that DTC C1015 is also set.
Q: Is DTC C1015 also set?
YES : Perform the diagnosis for DTC C1015.
NO : Go to Step 4.
STEP 4. Connector check: A-02 ASC-ECU connector, A-59 front wheel speed sensor <RH> connector
Q: Is the check result normal?
YES : Go to Step 5.
NO : Repair the defective connector. Then go to Step 12.
STEP 5. Wiring harness check between A-02 ASC-ECU connector terminal No.34 and A-59 front wheel speed sensor <RH> connector terminal No.1 and between A-02 ASC-ECU connector terminal No.33 and A-59 front wheel speed sensor <RH> connector terminal No.2.
Q: Is the check result normal?
YES : Go to Step 6.
NO : Repair the wiring harness. Then go to Step 12.
STEP 6. Check for wheel speed sensor <FR> installation Check how the wheel speed sensor <FR> is installed (Disconnection of wheel speed sensor <FR>, loose mounting bolt, etc.).
Q: Is the check result normal?
YES : Go to Step 7.
NO : Reinstall the wheel speed sensor <FR> correctly. Then go to Step 7.
STEP 7. Check for wheel speed sensor <FR> output current
Q: Is the check result normal?
YES : Go to Step 8.
NO : Replace the wheel speed sensor <FR>. Then go to Step 11.
STEP 8. Check for wheel bearing looseness
NOTE:
- Loose wheel bearing may increase the gap between the wheel speed sensor <FR> and the wheel speed detection magnet encoder.
- Check the wheel bearing <FR> for looseness (Refer to GROUP 26 − Wheel Bearing Play Check).
Q: Is the check result normal?
YES : Go to Step 9.
NO : Replace the wheel bearing <FR> (Refer to GROUP 26 − Front axle hub assembly). Then go to Step 12.
STEP 9. Check of wheel speed detection encoder
Check the encoder for adhesion of foreign materials or deformation.
Q: Is the check result normal?
YES : Go to Step 10.
NO (Adhesion of foreign materials) : Remove the foreign materials and clean the encoder so as not to disturb the magnetization pattern on it while taking care of the magnet, magnetic substance, and magnetic attraction. Then go to Step 12.
NO (Deformation) : Replace the wheel bearing <FR> (Refer to GROUP 26 − Front axle hub assembly). Then go to Step 12.
STEP 10. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12mph (20 km/h) or higher.
Q: Is DTC C101C set?
YES : Replace the wheel speed sensor <FR>. Then go to Step 11.
NO : Intermittent malfunction.
STEP 11. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C101C set?
YES : Replace the hydraulic unit (integrated with ASC-ECU). Then go to Step 12.
NO : The procedure is complete.
STEP 12. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C101C set?
YES : Return to Step 1.
NO : The procedure is complete.
DTC C1027: Abnormality in RL wheel speed sensor signal
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C − CAN Bus Line Diagnostic Flow).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor.
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the signals from each wheel speed sensor while the vehicle is being driven. If any fault below is found in these sensor signals, ASC-ECU will set the relevant diagnostic trouble code.
- Irregular change in the wheel speed sensor signal
- Wheel speed sensor signal continuously indicates high value.
PROBABLE CAUSES
Current trouble
- Excessive gap between the wheel speed sensor and the wheel speed detection encoder
- Adhesion of foreign materials on the wheel speed sensor
- Adhesion of foreign materials on the wheel speed detection encoder
- Wheel bearing malfunction
- Malfunction of wheel speed sensor
- Damaged wiring harness and connectors
- External noise interference
- Improper installation of the wheel speed sensor
- Deformation of the wheel speed detection encoder
- ASC-ECU malfunction
- Disturbance of magnetization pattern for wheel speed detection encoder
- The number of poles on the Magnetic encoder for wheel speed detection (N-pole and S-pole) is changed
Past trouble
- When the diagnostic trouble code No. C1020 is also set, carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble (Refer to GROUP 00 − How to Use Troubleshooting/How to Treat Past Trouble).
- When the diagnostic trouble code No. C1020 is not set, the
following conditions may be present:
- Some wheels slip
- Unstable vehicle attitude
- External noise interference
- Vehicle ran with the parking brake applied.
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C − CAN Bus Diagnostics Table). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC C1027 set?
YES : Go to Step 3.
NO : The procedure is complete.
STEP 3. Using scan tool MB991958, check the DTC
Check that the DTC C1020 is also set.
Q: Is DTC C1020 also set?
YES : Perform the diagnosis for the DTC C1020.
NO : Go to Step 4.
STEP 4. Connector check: A-02 ASC-ECU connector, C-129 intermediate connector, D-114 rear wheel speed sensor <LH> connector
Q: Is the check result normal?
YES : Go to Step 5.
NO : Repair the defective connector. Then go to Step 12.
STEP 5. Wiring harness check between A-03 ASC-ECU connector terminal No.36 and D-114 rear wheel speed sensor <LH> connector terminal No.1, and between A-03 ASC-ECU connector terminal No.37 and D-114 rear wheel speed sensor <LH> connector terminal No.2.
Q: Is the check result normal?
YES : Go to Step 6.
NO : Repair the wiring harness. Then go to Step 12.
STEP 6. Check for wheel speed sensor <RL> installation Check how the wheel speed sensor <RL> is installed (Disconnection of wheel speed sensor <RL>, loose mounting bolt, etc.).
Q: Is the check result normal?
YES : Go to Step 7.
NO : Reinstall the wheel speed sensor <RL> correctly. Then go to Step 7.
STEP 7. Check for wheel speed sensor <RL> output current
Q: Is the check result normal?
YES : Go to Step 8.
NO : Replace the wheel speed sensor <RL>. Then go to Step 11.
STEP 8. Check for wheel bearing looseness
NOTE:
- Loose wheel bearing may increase the gap between the wheel speed sensor <RL> and the wheel speed detection magnet encoder.
- Check the Rear wheel hub assembly <RL (FWD)> (Refer to GROUP 27A − Wheel Bearing Play Check).
- Check the wheel bearing <RL (AWD)> for looseness (Refer to GROUP 27B − Wheel Bearing Play Check).
Q: Is the check result normal?
YES : Go to Step 9.
NO (FWD) : Replace the rear wheel hub assembly <RL> (Refer to GROUP 27A − Rear axle hub assembly). Then go to Step 12.
NO (AWD) : Replace the wheel bearing <RL> (Refer to GROUP 27B − Rear axle hub assembly).
Then go to Step 12.
STEP 9. Check of wheel speed detection encoder
Check the encoder for adhesion of foreign materials or deformation.
Q: Is the check result normal?
YES : Go to Step 10.
NO (Adhesion of foreign materials) : Remove the foreign materials and clean the encoder so as not to disturb the magnetization pattern on it while taking care of the magnet, magnetic substance, and magnetic attraction. Then go to Step 12.
NO <Deformation (FWD)> : Replace the rear wheel hub assembly <RL> (Refer to GROUP 27A − Rear axle hub assembly). Then go to Step 12.
NO <Deformation (AWD)> : Replace the wheel bearing <RL> (Refer to GROUP 27B − Rear axle hub assembly). Then go to Step 12.
STEP 10. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12mph (20 km/h) or higher.
Q: Is DTC C1027 set?
YES : Replace the wheel speed sensor <RL>. Then go to Step 11.
NO : Intermittent malfunction (Refer to GROUP 00 − How to Use Troubleshooting/How to Cope with Intermittent Malfunctions).
STEP 11. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C1027 set?
YES : Replace the hydraulic unit (integrated with ASC-ECU). Then go to Step 12.
NO : The procedure is complete.
STEP 12. Check whether the DTC is reset.
- Erase the DTC.
- Drive the vehicle at 12 mph (20 km/h) or higher.
NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12 mph (20 km/h) or higher.
Q: Is DTC C1027 set?
YES : Return to Step 1.
NO : The procedure is complete.
DTC C1032: Abnormality in RR wheel speed sensor signal
Wheel Speed Sensor Circuit
CAUTION
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C − CAN Bus Line Diagnostic Flow).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor, the G and yaw rate sensor and brake fluid pressure sensor .
OPERATION
- The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole sides of the magnets are arranged alternately) for detecting the wheel speed which rotates at the same speed of the wheels and wheel speed sensors. This sensor outputs frequency pulse signals in proportion to the wheel speed.
- The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the pulse signals to determine the wheel speed.
DTC SET CONDITIONS
ASC-ECU monitors the signals from each wheel speed sensor while the vehicle is being driven. If any fault below is found in these sensor signals, ASC-ECU will set the relevant diagnostic trouble code.
- Irregular change in the wheel speed sensor signal
- Wheel speed sensor signal continuously indicates high value.
PROBABLE CAUSES
Current trouble
- Excessive gap between the wheel speed sensor and the wheel speed detection encoder
- Adhesion of foreign materials on the wheel speed sensor
- Adhesion of foreign materials on the wheel speed detection encoder
- Wheel bearing malfunction
- Malfunction of wheel speed sensor
- Damaged wiring harness and connectors
- External noise interference
- Improper installation of the wheel speed sensor
- Deformation of the wheel speed detection encoder
- ASC-ECU malfunction
- Disturbance of magnetization pattern for wheel speed detection encoder
- The number of poles on the Magnetic encoder for wheel speed detection (N-pole and S-pole) is changed
Past trouble
- When the diagnostic trouble code No. C102B is also set, carry out diagnosis with particular emphasis on wiring harness and connector failures between ASC-ECU and the wheel speed sensor. For diagnosis procedures, refer to How to treat past trouble (Refer to GROUP 00 − How to Use Troubleshooting/How to Treat Past Trouble).
- When the diagnostic trouble code No. C102B is not set, the
following conditions may be present:
- Some wheels slip
- Unstable vehicle attitude
- External noise interference
- Vehicle ran with the parking brake applied.
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A
STEP 1. Using scan tool MB991958, diagnose the CAN bus lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the
READ NEXT:
DTC C1035, C1041, C1042, C1043, C1044, C1046, C1047, C1048, C1049,
C104B, C104F, C1053, C1057, C105F, C1063, C1067, C105B, C1200, C1204, C1208,
C120C
DTC C1035 Mutual monitoring of RR wheel speed sensor
CAUTION
If there is any problem in the CAN bus lines, an incorrect
DTC may be set. Prior to this diagnosis, diagnose
the CAN bus lines (Refer t
DTC C2104, C1073, C2116, C121D, C121E, C1000
DTC C2104: Faulty valve power supply circuit
Solenoid Valve and Motor Power Supply Circuit
CAUTION
If there is any problem in the CAN bus lines, an incorrect
diagnostic trouble code may be set. P
Parking Brakes
General Information
The mechanical rear-wheel acting type parking brake
is adopted, and a parking brake lever is used for that
operation.
CONSTRUCTION DIAGRAM
<2.4L Engine: 5 persons seat>
<2
SEE MORE:
Front Axle Hub Assembly
REMOVAL AND INSTALLATION
CAUTION
The magnetic encoder collects metallic particles easily, because it
is magnetized. Make sure that
the magnetic encoder should not collect metallic particles. Check that there
is not any trouble
prior to reassembling it.
When removing and installing the fron
Diagnostic Item 26
DIAGNOSTIC ITEM 26: Short to power supply or ground, open circuit or
line-to-line short in the
CAN-B bus lines.
CAUTION
When servicing a CAN bus line, ground yourself by touching a metal object such
as an unpainted
water pipe. If you fail to do so, a component connected to the CAN bus line may
b
