INSPECTION PROCEDURE D-3: Hazard Lamp Answerback of Dead Lock System does not Work.


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 lamps
  • 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 dead lock system.



Q. Is the check result normal?





STEP 3. Check the power supply circuit.



Q. Is the check result normal?





STEP 4. Retest the system.



Q. Is the check result normal?