Inspection Procedure 12: KOS timer lock function does not work.



caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.


OPERATION




PROBABLE CAUSES



  • Malfunction of ETACS-ECU
  • Malfunction of the door switches

DIAGNOSIS PROCEDURE


STEP 1. Check the keyless entry function operation



Q. Is the check result normal?





STEP 2. Check the door entry function operation



Q. Is the check result normal?





STEP 3. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 4. Check of the troubles



Q. Is the check result normal?