Inspection Procedure 1

INSPECTION PROCEDURE 1: All Heated Door Mirrors do not Operate

























CIRCUIT OPERATION

If both of the door mirror heaters do not operate normally it may be due to a malfunction in the rear window defogger system.

TROUBLESHOOTING HINTS

- Malfunction of the rear window defogger system
- The wiring harness or connectors may have loose, corroded or damaged terminals, or terminals pushed back in the connector.

DIAGNOSIS

Required Special Tools:

- MB991223: Test Harness Set


STEP 1. Check the rear window defogger.

Check that the rear window defogger works normally as follows.

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

(2)Push the rear window defogger switch to operate the defogger.

Q. Does the defogger work normally?

YES Go to Step 2.
NO Because of malfunction of the rear window defogger, carry out the troubleshooting
Symptom Chart).
STEP 2. Check the remote controlled mirror (RH) connector E-01 and junction block connector C-215 for loose, corroded or damaged terminals, or terminals pushed back in the connector.









Q. Are the remote controlled mirror (RH) connector E-01 and junction block connector C-215 in good condition?

YES Go to Step 3.

NO Repair or replace the damaged component(s). Harness Connector Inspection. Check if the door mirrors works normally.

STEP 3. Check the wiring harness between the remote controlled mirror (RH) connector E-01 (terminal 1) and junction block connector C-215 (terminal 3).













NOTE:
Also check intermediate connector C-09 for loose, corroded or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-09 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection Harness Connector Inspection.

Q. Is the wiring harness between remote controlled mirror (RH) connector E-01 (terminal 1) and junction block connector C-215 (terminal 3) in good condition?

YES Go to step 4.

NO Repair the wiring harness as necessary. Check if all heated door mirrors work normally.

STEP 4. Check remote controlled mirror (LH) connector E-12.





Q. Is remote controlled mirror (LH) connector E-12 in good condition?

YES Go to Step 5.

NO Repair or replace the damaged component(s). Check if all heated door mirrors work normally.

STEP 5. Check the wiring harness between remote controlled mirror (LH) connector E-12 (terminal 1) and junction block connector C-215 (terminal 3).













NOTE:
Also check intermediate connector C-25 for loose, corroded or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-25 is damaged, repair or replace the damaged component(s) as described in Harness Connector Inspection Harness Connector Inspection.

Q. Is the wiring harness between remote controlled mirror (RH) connector E-12 (terminal 1) and junction block connector C-215 (terminal 3) in good condition?

YES The procedure is complete.

NO Repair the wiring harness as necessary. Check if the all heated door mirrors work normally.