Inspection Procedure 12: Delayed finishing wipe 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.

COMMENT ON TROUBLE SYMPTOM



PROBABLE CAUSES



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

DIAGNOSIS PROCEDURE


STEP 1. Check the ETACS-ECU customisation function.



Q. Is the check result normal?





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



Q. Is the diagnosis code set?





STEP 3. Windshield wiper operation check



Q. Is the check result normal?





STEP 4. Windshield washer operation check



Q. Is the check result normal?





STEP 5. Retest the system



Q. Is the check result normal?