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 Inspection Procedure 1.

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.
- 30 sec
- 60 sec
- 120 sec
- 180 sec

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. 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 (Refer to General (Body and Chassis) - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction).

NO : Replace ETACS-ECU.