Inspection Procedure 2: Either of the electric-folding door mirrors does not work.


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

COMMENTS ON TROUBLE SYMPTOM


If either of the electric-folding door mirrors does not work, the appropriate door mirror assembly may be defective.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE

STEP 1. Determine a trouble spot.

Q. Which of the door mirrors cannot be folded/unfolded?
RH side door mirror : Go to Step 2.
LH side door mirror : Go to Step 4.

STEP 2. Check the door mirror assembly (RH).
Check that the electric folding outside rear-view mirror (RH) works normally. (Refer to .)

Q. Is the check result normal?

Go to Step 3.
Replace the door mirror assembly (RH) (Refer to ).

STEP 3. Check of short to power supply, short to earth, and open circuit in MOLH, MSLH&MSRH line between ETACS-ECU connector and door mirror assembly (RH) connector

Q. Is the check result normal?
Go to Step 6.
Repair the connector(s) or wiring harness.

STEP 4. Check the door mirror assembly (LH).
Check that the electric folding outside rear-view mirror (LH) works normally.(Refer to .)

Q. Is the check result normal?

Go to Step 5.
Replace the door mirror assembly (LH) (Refer to ).

STEP 5. Check of short to power supply, short to earth, and open circuit in MOLH, MSLH&MSRH line between ETACS-ECU connector and door mirror assembly (LH) connector

Q. Is the check result normal?
Go to Step 6.
Repair the connector(s) or wiring harness.

STEP 6. Check the trouble symptom.
Check that the electric-folding door mirrors work normally.

Q. Is the check result normal?
Intermittent malfunction. Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points, - How to Cope with Intermittent Malfunctions .)
Replace the ETACS-ECU (Refer to GROUP 54A - ETACS, ETACS-ECU ).