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.

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

TROUBLESHOOTING HINTS
- The keyless entry transmitter may be defective
- The ETACS-ECU may be defective
- The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector

DIAGNOSIS

STEP 1. Check the operation of the keyless entry system.

Operate the transmitter and check that all doors lock and unlock.

Q: Is the check result normal?

YES : Go to Step 2.

NO : Refer to inspection procedure 5: "Keyless entry system does not work." Inspection Procedure 5

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 : Intermittent malfunction.

NO : Replace ETACS-ECU.