Inspection Procedure 9: The column switch signal is not received.


caution Whenever the ECU is replaced, ensure that the communication circuit is normal.

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of column switch
  • Faulty LIN bus line

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 2. Column switch check



  • Check the continuity for wiper/washer switch. Refer to .
  • Check the continuity for column switch (switch body part). Refer to .

Q. Is the check result normal?