Inspection Procedure 17: Multimode Keyless Entry System Function does not work at All.


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 the keyless operation key
  • Function setting error or no setting with a customisation
  • Malfunction of ETACS-ECU

DIAGNOSTIC PROCEDURE


STEP 1. Check the keyless entry system operation.



Q. Is the check result normal?





STEP 2. Check the customisation



Q. Is it set to other than "disabled"?





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?