Mitsubishi Outlander manuals

Mitsubishi Outlander: Diagnostic Item 6-13

DIAGNOSTIC ITEM 6: Diagnose when the scan tool cannot receive the data sent by AWD-ECU <Electronic controlled AWD>.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the AWD-ECU, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the AWD-ECU, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN2) C-04, AWD-ECU connector C-128, intermediate connector C-138 and intermediate connector C-31 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN2) C-04, AWD-ECU connector C-128, intermediate connector C-138 and intermediate connector C-31 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN2) C-04 and AWD-ECU connector C-128 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN2) C-04 and AWD-ECU connector C-301, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.5) and AWD-ECU connector C-128 (terminal No.5)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.16) and AWD-ECU connector C-128 (terminal No.13)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN2) C-04 and AWD-ECU connector C-128 in good condition?

YES : Check the power supply circuit of the AWD-ECU.

NO : Repair the wiring harness between joint connector (CAN2) C-04 and AWD-ECU connector C-128.

DIAGNOSTIC ITEM 7: Diagnose when the scan tool cannot receive the data sent by AWC-ECU <S-AWC>.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the AWC-ECU, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the AWC-ECU, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN2) C-04, AWC-ECU connector C-139, intermediate connector C-138 and intermediate connector C-31 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN2) C-04, AWC-ECU connector C-139, intermediate connector C-138 and intermediate connector C-31 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN2) C-04 and AWC-ECU connector C-139 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN2) C-04 and AWC-ECU connector C-301, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.5) and AWC-ECU connector C-139 (terminal No.5)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.16) and AWC-ECU connector C-139 (terminal No.13)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN2) C-04 and AWC-ECU connector C-139 in good condition?

YES : Check the power supply circuit of the AWC-ECU.

NO : Repair the wiring harness between joint connector (CAN2) C-04 and AWC-ECU connector C-139.

DIAGNOSTIC ITEM 8: Diagnose when the scan tool cannot receive the data sent by steering wheel sensor <Vehicles with ASC>.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the steering wheel sensor, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the steering wheel sensor, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN2) C-04 and steering wheel sensor connector C-209 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN2) C-04 and steering wheel sensor connector C-209 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN2) C-04 and steering wheel sensor connector C-209 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN2) C-04 and steering wheel sensor connector C-209, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.4) and steering wheel sensor connector C-209 (terminal No.3)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.15) and steering wheel sensor connector C-209 (terminal No.4)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN2) C-04 and steering wheel sensor connector C-209 in good condition?

YES : Check the power supply circuit of the steering wheel sensor. NO : Repair the wiring harness between joint connector (CAN2) C-04 and steering wheel sensor connector C-209.

DIAGNOSTIC ITEM 9: Diagnose when the scan tool cannot receive the data sent by TCM <CVT, A/T>.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the TCM, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the TCM, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN3) C-01 and TCM connector C-38 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN3) C-01 and TCM connector C-38 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN3) C-01 and TCM connector C-38 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN3) C-01 and TCM connector C-38, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.7) and TCM connector C-38 (terminal No.4) <CVT>

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.20) and TCM connector C-38 (terminal No.5) <CVT>

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(4) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.7) and TCM connector C-38 (terminal No.10) <A/T>

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(5) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.20) and TCM connector C-38 (terminal No.11) <A/T>

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN3) C-01 and TCM connector C-38 in good condition?

YES : Check the power supply circuit of the TCM.

NO : Repair the wiring harness between joint connector (CAN3) C-01 and TCM connector C-38.

DIAGNOSTIC ITEM 10: Diagnose when the scan tool cannot receive the data sent by ABS-ECU <vehicles without ASC>.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the ABS-ECU, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the ABS-ECU, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN3) C-01 and ABS-ECU connector A-01 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN3) C-01 and ABS-ECU connector A-01 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN3) C-01 and ABS-ECU connector A-01 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN3) C-01 and ABS-ECU connector A-01, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.6) and ABS-ECU connector A-01 (terminal No.4)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.19) and ABS-ECU connector A-01 (terminal No.6)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN3) C-01 and ABS-ECU connector A-01 in good condition?

YES : Check the power supply circuit of the ABS-ECU.

NO : Repair the wiring harness between joint connector (CAN3) C-01 and ABS-ECU connector A-01.

DIAGNOSTIC ITEM 11: Diagnose when the scan tool cannot receive the data sent by ASC-ECU <vehicles with ASC>.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the ASC-ECU, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the ASC-ECU, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN3) C-01 and ASC-ECU connector A-02 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN3) C-01 and ASC-ECU connector A-02 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN3) C-01 and ASC-ECU connector A-02 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN3) C-01 and ASC-ECU connector A-02, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.6) and ASC-ECU connector A-02 (terminal No.12)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.19) and ASC-ECU connector A-02 (terminal No.13)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN3) C-01 and ASC-ECU connector A-02 in good condition?

YES : Check the power supply circuit of the ASC-ECU.

NO : Repair the wiring harness between joint connector (CAN3) C-01 and ASC-ECU connector A-02.

DIAGNOSTIC ITEM 12: Diagnose when the scan tool cannot receive the data sent by ECM.

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If the scan tool MB991958 cannot communicate with the ECM, this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for the ECM, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN3) C-01 and ECM connector B-11 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN3) C-01 and ECM connector B-11 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN3) C-01 and ECM connector B-11 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN3) C-01 and ECM connector B-11, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.4) and ECM connector B-11 (terminal No.90)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN3) C-01 (terminal No.15) and ECM connector B-11 (terminal No.91)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN3) C-01 and ECM connector B-11 in good condition?

YES : Check the power supply circuit of the ECM.

NO : Repair the wiring harness between joint connector (CAN3) C-01 and ECM connector B-11.

DIAGNOSTIC ITEM 13: Diagnose the lines between the ETACS-ECU and joint connector (CAN2).

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 be damaged.

CAN Communication Circuit

Mitsubishi Outlander. Controller Area Network (CAN)

Mitsubishi Outlander. Controller Area Network (CAN)

FUNCTION

If a failure is present in the wiring harness between the ETACS-ECU connector and the joint connector (CAN2), this diagnosis result will be set.

TROUBLE JUDGMENT CONDITIONS

If a communication flag is not set for some of the ECUs on the CAN-C line, the ETACS-ECU determines that there is a failure.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Check joint connector (CAN2) C-04 and ETACS-ECU connector C-301 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

CAUTION The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.

Q: Are joint connector (CAN2) C-04 and ETACS-ECU connector C-301 in good condition?

YES : Go to Step 2.

NO : Repair the damaged parts.

STEP 2. Check the wiring harness between joint connector (CAN2) C-04 and ETACS-ECU connector C-301 for open circuit.

CAUTION Strictly observe the specified wiring harness repair procedure.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Disconnect joint connector (CAN2) C-04 and ETACS-ECU connector C-301, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.6) and ETACS-ECU connector C-301 (terminal No.9)

OK: Continuity exists (2 ohms or less)

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Check the wiring harness between joint connector (CAN2) C-04 (terminal No.19) and ETACS-ECU connector C-301 (terminal No.8)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN2) C-04 and ETACS-ECU connector C-301 in good condition?

YES : Go to Step 3.

NO : Repair the wiring harness between joint connector (CAN2) C-04 and ETACS-ECU connector C-301.

STEP 3. Using scan tool MB991958, diagnose the CAN bus line.

CAUTION To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.

Mitsubishi Outlander. Controller Area Network (CAN)

(1) Connect scan tool MB991958 to the data link connector.

(2) Turn the ignition switch to the "ON" position.

Mitsubishi Outlander. Controller Area Network (CAN)

(3) Diagnose CAN bus lines, and check if the scan tool screen is as shown in the illustration.

Q: Does the scan tool screen correspond to the illustration?

YES : The trouble can be an intermittent malfunction.

NO : Replace the ETACS-ECU.

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