INSPECTION PROCEDURE 3: Electric-folding door mirror timer function does not work normally.


COMMENTS ON TROUBLE SYMPTOM
If the door mirrors can be operated by using the electric remote controlled mirror switch (folding/unfolding switch), the ETACS-ECU may be faulty.

PROBABLE CAUSES

  • Malfunction of ETACS-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Check the operation of the electric-folding door mirror.
Check that the electric folding door mirrors can work normally with the ignition switch at ACC.

  • Ignition switch: ACC

Q. Is the check result normal?
Go to Step 2.
Refer to Inspection Procedure 1 "Electric-folding door mirrors do not work at all ."

STEP 2. M.U.T.-III diagnosis code
Check if an ETACS-related diagnosis code is set.

Q. Is the diagnosis code set?
Troubleshoot the ETACS. Refer to .
Go to Step 3.

STEP 3. M.U.T.-III data list
Check the input signals which are related to the electric folding door mirror timer function.

  • Ignition switch: IG1
Item No.
 Item name
 Normal conditions
Item 254
 IG voltage
 Battery voltage
OK: Normal condition is displayed.

Q. Is the check result normal?
Go to Step 4.
Refer to GROUP 54A - ETACS, Inspection procedure 1 "The ignition switch (IG1) signal is not received ."

STEP 4. Retest the system.
Check that the electric-folding door mirror timer function works 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 Malfunction .)
Replace ETACS-ECU.