INSPECTION PROCEDURE I-3: Electric retractable remote controlled door mirror timer function does not at all.


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

COMMENTS ON TROUBLE SYMPTOM
If the door mirror can be folded and unfolded with the remote controlled mirror switch (fold/unfold switch), the ETACS-ECU may be defective.

POSSIBLE CAUSES

  • Malfunction of the driver’s door switch
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSTIC PROCEDURE

Step 1. Check the electric folding door mirrors operation.
Check that the door mirror is folded and unfolded with the remote controlled mirror switch when the ignition switch is at ACC position.

Q. Is the check result normal?
Go to Step 2.
Refer to inspection procedure I-1 "Electric retractable remote controlled door mirror does not work at all ."

Step 2. Pulse check
Check the input signals below which are related to the electric retractable remote controlled door mirror timer function.
System switch
 Check conditions
Ignition switch (ACC)
 When turned from the LOCK (OFF) position to the ACC position
Driver’s door switch
 When the driver’s door is opened
OK: The M.U.T.-III sounds or the voltmeter needle fluctuates.

Q. Is the check result normal?
All the signals are received normally. : Go to Step 3.
The ignition switch (ACC) signal is not received. : Refer to inspection procedure P-1 "The ignition switch (ACC) signal is not received ."
The driver’s door switch signal is not received. : Refer to inspection procedure P-5 "The driver’s door switch signal is not received <L.H. drive vehicles> or <R.H. drive vehicles>."

Step 3. Retest the system.
Check that the electric-folding door mirror timer function works normally.

Q. Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
Replace the ETACS-ECU.