Inspection Procedure 6: Keyless entry hazard answerback function does not work normally.



caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.


COMMENTS ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Malfunction of the turn signal lamp
  • Malfunction of the room lamp
  • Malfunction of ETACS-ECU
  • Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE


STEP 1. Check the hazard warning lamp



Q. Is the check result normal?





STEP 2. Check the operation of the room lamps.



Q. Is the check result normal?





STEP 3. Check the operation of the keyless entry system.



Q. Is the check result normal?





STEP 4. Check the customise function.




  • Lock:1, Unlock:2
  • Lock:1, Unlock:0
  • Lock:0, Unlock:2
  • Lock:2, Unlock:1
  • Lock:2, Unlock:0
  • Lock:0, Unlock:1

Q. Is the check result normal?





STEP 5. Check of the troubles



Q. Is the check result normal?