INSPECTION PROCEDURE A-2: Keyless Entry Hazard Lamp Answerback Function or the Room Lamp Answerback Function does not Work Normally.


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

COMMENTS ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Defective turn-signal lamp
  • Malfunction of the room lamp
  • Malfunction of the security alarm sensor
  • Malfunction of the security alarm siren
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the operation of 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 power supply circuit.



Q. Is the check result normal?





STEP 5. Check the customisation 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 customisation function.

Q. Is the check result normal?





STEP 6. Check the security alarm diagnosis code.



Q. Is the check result normal?





STEP 7. Retest the system.



Q. Is the check result normal?