Inspection Procedure 11: The Comfort Flashing Function does not Work Normally.


caution Whenever the ECU is replaced, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of column switch
  • Malfunction of the ETACS-ECU
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. ETACS-ECU customise function check



Q. Is the check result normal?





STEP 2. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 3. Check that the turn-signal lamps operate.



Q. Is the check result normal?





STEP 4. Retest the system



Q. Is the check result normal?