Inspection procedure E-4: The timer lock function does not work after the doors have been unlocked by the keyless entry system.


caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

COMMENT ON TROUBLE SYMPTOM
If the keyless entry timer lock does not work normally, the input signal circuit(s) to the keyless entry transmitter or the ETACS-ECU may be defective.

PROBABLE CAUSES

  • Malfunction of the keyless entry transmitter
  • Function diagnosis by using the SWS monitor Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check the operation of the keyless entry system.
Check that the keyless entry system works normally.

Q. Is the check result normal?
Go to Step 2.
Refer to inspection procedure E-1 "Keyless entry system does not work ."

STEP 2. Check the customize function.
Check that the keyless entry timer lock function has been enabled by using the customize function.
caution The SWS monitor must be used in order to confirm and change that setting. Use the SWS monitor to confirm and/or change the customized function.

Q. Is the check result normal?
Go to Step 3.
Enable the keyless entry timer lock function by using the SWS monitor customise function. (Refer to GROUP 54C custamise function ).

STEP 3. Retest the system.
Check that the timer lock works normally.

Q. Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
Replace the ETACS-ECU.