Inspection Procedure 4: Dead Lock Timer Function does not Work.


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

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

PROBABLE CAUSES

  • Malfunction of the door lock actuator (RH)
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check the front door lock actuator switch.
Check that the front door lock actuator switch works normally. Refer to <COLT> or <COLT CZ3>.

Q. Is the check result normal?
Go to Step 2.
Replace the front door lock actuator (RH).

STEP 2. Check the operation of the dead lock system.
Check that the dead lock system works normally.

Q. Is the check result normal?
Go to Step 3.
Refer to .

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

Q. Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace the ETACS-ECU. Then perform the variant coding (Refer to GROUP 00, Precautions Before Service - How to Perform Variant Coding ).