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. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 3. Check of the troubles



Q. Is the check result normal?