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