Inspection Procedure 1: All Heated Door Mirrors do not Operate

COMMENTS ON TROUBLE SYMPTOM
The heated door mirrors should work for approximately 20 minutes when the rear defogger switch is turned on. If the mirror heater does not work for the specified period, the defogger relay circuit (heated door mirror power supply circuit) may be defective.

POSSIBLE CAUSES

  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check the rear window defogger.
The rear defogger system should work normally (Refer to GROUP 54A, Printed Heater Lines Check ).

Q. Is the check result normal?
Go to Step 2.
Diagnose the rear window defogger (Refer to GROUP 55B, Troubleshooting ).

STEP 2. Connector check: C-208 junction block connector.


Q. Is the check result normal?

YES <LH drive vehicles> : Go to Step 3.

YES <RH drive vehicles> : Go to Step 4.

Repair the defective connector.

STEP 3. Check the wiring harness between E-02 door mirror assembly (RH) connector terminal No.1, E-17 door mirror assembly (LH) connector terminal No.1 to C-208 junction block connector terminal No.10.





note Prior to the wiring harness inspection, check intermediate connector C-121 and C-134, and repair if necessary.

  • Check the power supply line for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).

Repair the wiring harness.

STEP 4. Check the wiring harness between E-02 door mirror assembly (RH) connector terminal No.1, E-17 door mirror assembly (LH) connector terminal No.1 to C-208 junction block connector terminal No.10.





note Prior to the wiring harness inspection, check joint connector C-08 <RH drive vehicles>, intermediate connector C-121 and C-134, and repair if necessary.

  • Check the power supply line for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).

Repair the wiring harness.