Inspection Procedure 13: 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.
Is the check result normal?
Go to Step 2
.
Refer to inspection procedure 5: "Keyless entry system does not work
."
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
Is the check result normal?
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction
).
Replace ETACS-ECU.