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 ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSTIC PROCEDURE

Step 1. Check the electric retactable 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 l."

Step 2. ECU check on the SWS monitor.
Check that the power supply and earth lines to the ETACS-ECU and the SWS communication lines are normal.

  • Ignition switch: OFF
ECU TO BE CHECKED
  • ETACS ECU
OK: "OK" is displayed on the "ETACS ECU" menu.

Q. Is the check result normal?
Go to Step 3.
Refer to Inspection Procedure A-3 "Communication with the ETACS-ECU is not possible ."

Step 3. SWS monitor data list.
Check the SWS communication signal, which are related to the electric retractable door mirror timer function.
<Selected item> ETACS ECU
  • Ignition switch: IG1
Item No.
 Item name
 Normal condition
Item 30
 IG SW (IG1)
 ON
OK: Normal condition is displayed.

Q. Are the check result normal?
Go to Step 4.
Refer to inspection procedure P-2 "The ignition switch (IG1) signal is not received ."

Step 4. Retest the system.
Check that the electric retractable 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.