Inspection Procedure 7

Inspection Procedure 7: The timer lock function does not work after the doors have been unlocked by the keyless entry system.

CAUTION:
Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM

If the timer lock function does not work normally, the keyless entry transmitter input signal circuit or ETACS-ECU may be faulty.

PROBABLE CAUSES

- Malfunction of keyless entry transmitter

- Malfunction of ETACS-ECU

- Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE

STEP 1. Verify the keyless entry system.

Q. Does the keyless entry system work normally?

YES Go to Step 2.
NO Refer to Symptom Chart.
STEP 2. Check the customize function.

The "Timer lock timer" has been set to one of the followings with the customization function.
Check if the doors are locked at the set period.

- 30sec

- 60sec

- 120sec

- 180sec

Q. Is the check result normal?

YES Go to Step 3.
NO Set "Timer lock timer" to one of the time above with a customization function
(Refer to Configuration Function).
STEP 3. Check of the troubles

Check that the keyless entry system works normally.

Q. Is the check result normal?

YES Intermittent malfunction How to Cope With Intermittent Malfunctions).
NO Replace ETACS-ECU.