Mitsubishi Outlander manuals

Mitsubishi Outlander: Symptom Procedures (Inspection Procedure 7-12)

INSPECTION PROCEDURE 7: The rain sensitive AUTO wiper function does not work at all <Vehicles with lighting control sensor>.

CAUTION Whenever ECU is replaced, ensure that the input and output signal circuits are normal.

Raindrops Sensing Wiper Function Control Circuit

Mitsubishi Outlander. Exterior

Mitsubishi Outlander. Exterior

CIRCUIT OPERATION

When the column switch is in the AUTO position, this function automatically adjusts the wiping speed of windshield wiper by detecting the rain fall through lighting control sensor.

TECHNICAL DESCRIPTION (COMMENT)

The windshield wiper motor, the column switch, the lighting control sensor, the harness connector, or the ETACS-ECU may be defective.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Lighting control sensor installation surface check.

Visually check the presence of scratches or air bubbles [(diameter of 5.0 mm(0.2 in) or more] on the windshield to which the lighting control sensor is installed.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Replace the windshield.

STEP 2. Windshield wiper operation check.

Check that the windshield wipers work normally.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Refer to trouble symptom chart.

STEP 3. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set.

Connect the scan tool. Refer to GROUP 54A ETACS, "How to connect the scan tool (M.U.T.-III)".

Q: Is the diagnostic trouble code set?

YES : Diagnose the ETACS-ECU.

NO : Go to Step 4.

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STEP 4. Using scan tool MB991958, read the lighting control sensor diagnostic trouble code.

Check if a lighting control sensor diagnostic trouble code is set.

Connect the scan tool. Refer to GROUP 54A ETACS, "How to connect the scan tool (M.U.T.-III)".

Q: Is the diagnostic trouble code set?

YES : Diagnose the lighting control sensor.

NO : Go to Step 5.

STEP 5. Connector check: D-39 Lighting control sensor connector.

Q: Is the check result normal?

YES : Go to Step 6.

NO : Repair the damaged connector.

STEP 6. Resistance measurement at the D-39 lighting control sensor connector.

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  1. Disconnect the connector, and measure the resistance at the wiring harness.
  2. Measure the resistance between D-39 lighting control sensor connector terminal No.2 and body ground.

    OK: Continuity exists (2 Ω or less)

Q: Is the check result normal?

YES : Go to Step 8.

NO : Go to Step 7.

STEP 7. Check the wiring harness between D-39 lighting control sensor connector terminal No.2 and body ground.

Check the ground wires for open circuit.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Repair the wiring harness.

STEP 8. Voltage measurement at the D-39 lighting control sensor connector

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  1. Disconnect the connector, and measure the voltage at the wiring harness side.
  2. Measure the voltage between D-39 lighting control sensor connector terminal No.1 and body ground.

    OK: Battery positive voltage

Q: Is the check result normal?

YES : Go to Step 10.

NO : Go to Step 9.

STEP 9. Check the wiring harness between D-39 lighting control sensor connector terminal No.1 and fusible link (36).

NOTE: Prior to the wiring harness inspection, check intermediate connector C-36, ETACS-ECU connectors C-307 and C-317, and repair if necessary.

Check the power supply line for open circuit.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Repair the wiring harness.

STEP 10. Connector check: C-316 ETACS-ECU connector.

Q: Is the check result normal?

YES : Go to Step 11.

NO : Repair the damaged connector.

STEP 11. Measure the voltage at the C-316 ETACS-ECU connector.

Mitsubishi Outlander. Exterior

  1. Disconnect the connector, and measure the voltage at the wiring harness side.
  2. Measure the voltage between C-316 ETACS-ECU connector terminal No. 1 and body ground.

    OK: Battery positive voltage

Q: Is the check result normal?

YES : Replace the Lighting control sensor.

NO : Go to Step 12.

STEP 12. Check the wiring harness between C-316 ETACS-ECU connector terminal No.1 and D-39 lighting control sensor connector terminal No.3.

Check the input and output lines for open or short circuit.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Repair the wiring harness.

INSPECTION PROCEDURE 8: The rain sensitive AUTO wiper function works even though there is no rainfall <Vehicles with lighting control sensor>.

CAUTION Whenever ECU is replaced, ensure that the input and output signal circuits are normal.

Raindrops Sensing Wiper Function Control Circuit

Mitsubishi Outlander. Exterior

Mitsubishi Outlander. Exterior

TECHNICAL DESCRIPTION (COMMENT)

The lighting control sensor, the harness connector, or the ETACS-ECU may be defective.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Lighting control sensor installation surface check.

Visually check the presence of scratches or air bubbles [(diameter of 5.0 mm(0.2 in) or more] on the windshield to which the lighting control sensor is installed.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Replace the windshield.

STEP 2. Windshield wiper operation check Check that the windshield wipers work normally.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Refer to Inspection procedure 3.

STEP 3. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set.

Mitsubishi Outlander. Exterior

Connect the scan tool. Refer to GROUP 54A ETACS, "How to connect the scan tool (M.U.T.-III) ".

Q: Is the diagnostic trouble code set?

YES : Diagnose the ETACS-ECU.

NO : Go to Step 4.

STEP 4. Using scan tool MB991958, read the lighting control sensor diagnostic trouble code.

Check if a lighting control sensor diagnostic trouble code is set.

Connect the scan tool. Refer to GROUP 54A ETACS, "How to connect the scan tool (M.U.T.-III)".

Q: Is the diagnostic trouble code set?

YES : Diagnose the lighting control sensor.

NO : Go to Step 5.

STEP 5. Connector check: C-316 ETACS-ECU connector.

Q: Is the check result normal?

YES : Go to Step 6.

NO : Repair the damaged connector.

STEP 6. Measure the voltage at the C-316 ETACS-ECU connector.

Mitsubishi Outlander. Exterior

  1. Disconnect the connector, and measure the voltage at the wiring harness side.
  2. Measure the voltage between C-316 ETACS-ECU connector terminal No. 1 and body ground.

    OK: Battery positive voltage

Q: Is the check result normal?

YES : Replace the Lighting control sensor.

NO : Go to Step 7.

STEP 7. Check the wiring harness between C-316 ETACS-ECU connector terminal No.1 and D-39 lighting control sensor connector terminal No.3.

Check the input and output lines for open or short circuit.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Repair the wiring harness.

INSPECTION PROCEDURE 9: Sometimes the rain sensitive AUTO wiper function works even though there is no rainfall < Vehicles with lighting control sensor>.

CAUTION Whenever ECU is replaced, ensure that the input and output signal circuits are normal.

TECHNICAL DESCRIPTION (COMMENT)

The lighting control sensor may be defective or a failure in the lighting control sensor (rain sensor) adaptation is suspected.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Lighting control sensor (rain sensor) installation surface check.

Visually check the presence of scratches or air bubbles [(diameter of 5.0 mm(0.2 in) or more] on the windshield to which the lighting control sensor is installed.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Replace the windshield .

STEP 2. Windshield wiper operation check.

Check that the windshield wipers work normally.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Refer to Inspection procedure 3.

STEP 3. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set.

Connect the scan tool. Refer to GROUP 54A ETACS, "How to connect the scan tool (M.U.T.-III)".

Q: Is the diagnostic trouble code set?

YES : Diagnose the ETACS-ECU. NO : Go to Step 4.

Mitsubishi Outlander. Exterior

STEP 4. Using scan tool MB991958, read the lighting control sensor diagnostic trouble code.

Check if a lighting control sensor diagnostic trouble code is set.

Connect the scan tool. Q: Is the diagnostic trouble code set?

YES : Diagnose the lighting control sensor.

NO : Go to Step 5.

STEP 5. Lighting control sensor (rain sensor) installation surface check.

Check that the lighting control sensor (rain sensor) is installed to the windshield glass firmly.

Q: Is the check result normal?

YES : Go to Step 6 after completion of the lighting control sensor (rain sensor) adaptation.

NO : Install the lighting control sensor (rain sensor) to the windshield glass correctly.

STEP 6. Retest the system.

Check the lighting control sensor (rain sensor) after completion of the lighting control sensor (rain sensor) adaptation

  1. Check that the windshield glass surface is dry.
  2. Pour the windshield glass surface where the lighting control sensor is installed.

Q: Does the windshield wiper operate? Operate one or more : Intermittent malfunction.

Does not operate : Troubleshoot the rain sensitive wiper function.

INSPECTION PROCEDURE 10: The windshield washer does not work normally.

Windshield Washer Motor Circuit

Mitsubishi Outlander. Exterior

Mitsubishi Outlander. Exterior

CIRCUIT OPERATION

The windshield washer switch sends a signal through the column-ECU (incorporated in the column switch) to the ETACS-ECU. If the column-ECU sends a windshield washer switch "ON" signal to the ETACS-ECU, the ETACS-ECU turns on the relay (incorporated in the ETACS-ECU), thus causing the washer motor to be turned on.

TECHNICAL DESCRIPTION (COMMENT)

If the windshield washer does not work normally, the washer motor, the column switch (windshield wiper and washer switch) or the ETACS-ECU may be defective.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Verify the windshield wiper operation.

Q: Does the windshield wiper operate normally?

YES : Go to Step 2.

NO : Refer to Inspection Procedure 1 "The windshield wipers do not work at all P.51?".

STEP 2. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set.

Connect the scan tool. Q: Is the diagnostic trouble code set?

YES : Diagnose the ETACS-ECU. NO : Go to Step 3.

Mitsubishi Outlander. Exterior

STEP 3. Check the input signal related to the windshield washer operation.

Mitsubishi Outlander. Exterior

OK: Normal condition is displayed.

Q: Is the check result normal? NO : Go to Step 4.

YES : Refer to GROUP 54A − ETACS, Input Signal Procedures.

STEP 4. Check windshield washer motor connector A-54 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is windshield washer motor connector A-54 in good condition?

YES : Go to Step 5.

NO : Repair or replace the damaged component(s). Refer to GROUP 00E, Harness Connector Inspection. Verify that the windshield wiper works normally.

STEP 5. Check the operation of windshield washer motor.

  1. Disconnect windshield washer motor connector A-54 and check at windshield washer motor connector side.
  2. Fill the windshield washer tank with washer fluid.
  3. When battery voltage is applied between terminals 1 and 2, washer fluid should spray out.

Q: Does the washer motor operate normally?

YES : Go to Step 6.

NO : Replace the washer motor. Verify that the windshield washer works normally.

Mitsubishi Outlander. Exterior

STEP 6. Check the operation of rear washer.

Check that rear washer works.

Q: Does the rear washer operate normally?

YES : Go to Step 7.

NO : Replace the ETACS-ECU.

STEP 7. Check ETACS-ECU connector C-304 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is ETACS-ECU connector C-304 in good condition?

YES : Go to Step 8.

NO : Repair or replace the damaged component(s). Refer to GROUP 00E, Harness Connector Inspection. Verify that the windshield washer works normally.

STEP 8. Check the wiring harness between windshield washer motor connector A-54 (terminal 2) and ETACS-ECU connector C-304 (terminal 13).

Check the input lines for open or short circuit.

Q: Is the wiring harness between windshield washer motor connector A-54 (terminal 2) and ETACS-ECU connector C-304 (terminal 13)in good condition?

YES : Go to Step 9.

NO : Repair or replace the damaged component(s).

STEP 9. Check the wiring harness between windshield washer motor connector A-54 (terminal 1) and ETACS-ECU connector C-304 (terminal 14).

Check the input lines for open or short circuit.

Q: Is the wiring harness between windshield washer motor connector A-54 (terminal 1) and ETACS-ECU connector C-304 (terminal 14) in good condition?

YES : Go to Step 10.

NO : Repair or replace the damaged component(s).

STEP 10. Retest the system.

Check that the windshield washers work normally.

Q: Is the check result normal?

YES : Intermittent malfunction. NO : Replace the ETACS-ECU.

Inspection Procedure 11: The intelligent washing function does not work normally.

CAUTION Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.

TECHNICAL DESCRIPTION (COMMENT)

If the intelligent washer function does not work normally, the windshield wiper switch input circuit(s), the windshield washer switch input circuit(s) and ETACS-ECU may have a problem.

TROUBLESHOOTING HINTS

DIAGNOSIS

Required Special Tools:

STEP 1. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set.

Connect the scan tool. Q: Is the diagnostic trouble code set?

YES : Diagnose the ETACS-ECU. NO : Go to Step 2.

Mitsubishi Outlander. Exterior

STEP 2. Check the ETACS customization function.

Use the ETACS-ECU customization function to check that the "intelligent washer" is set to "Enabled".

Q: Is the check result normal?

YES : Go to Step 3.

NO : Use the ETACS-ECU customization function to set "intelligent washer" to "Enabled".

STEP 3. Windshield wiper operation check.

Check that the windshield wipers work normally.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Refer to trouble symptom chart.

STEP 4. Windshield washer operation check.

Check that the windshield washer works normally.

Q: Is the check result normal?

YES : Go to Step 5.

NO : Refer to Inspection Procedure 10 "The windshield washer does not work normally".

STEP 5. System retest.

Check that the intelligent washer function works normally.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Replace the ETACS-ECU.

Inspection Procedure 12: Delayed finishing wipe function does not work normally.

CAUTION Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.

COMMENT ON TROUBLE SYMPTOM

If the delayed finishing wipe function does not properly operate, the input circuit of windshield wiper switch, the input circuit of windshield washer switch, or ETACS-ECU may be defective.

PROBABLE CAUSES

DIAGNOSIS

Required Special Tools:

STEP 1. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set.

Connect the scan tool. Q: Is the diagnostic trouble code set?

YES : Diagnose the ETACS-ECU.

NO : Go to Step 2.

Mitsubishi Outlander. Exterior

STEP 2. Check the ETACS-ECU customization function.

Use the ETACS-ECU customization function to check that the "front wiper washer" is set to "On with delayed finishing wipe function".

Q: Is the check result normal?

YES : Go to Step 3.

NO : Use the ETACS-ECU customization function to set the "front wiper washer" to "On with delayed finishing wipe function".

STEP 3. Windshield wiper operation check.

Check that the windshield wipers work normally.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Refer to trouble symptom chart.

STEP 4. Windshield washer operation check.

Check that the windshield washers work normally.

Q: Is the check result normal?

YES : Go to Step 5.

NO : Refer to Inspection Procedure 10 "Windshield washers do not work normally".

STEP 5. Retest the system.

Check that the delayed finishing wipe function works normally.

Q: Is the check result normal?

YES : Intermittent malfunction. NO : Replace the ETACS-ECU.

DATA LIST REFERENCE TABLE

LIN (LIGHTING CONTROL SENSOR)

Mitsubishi Outlander. Exterior

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