Inspection Procedure 8: 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.

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of keyless entry transmitter
  • Malfunction of ETACS-ECU
  • Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE


STEP 1. Confirm the transmitter.



Q. Is the check result normal?





STEP 2. Confirm the operation of the power windows.



Q. Is the check result normal?





STEP 3. Check the operation of sunroof.



Q. Is the check result normal?





STEP 4. Check the operation of the electric-folding door mirror.



Q. Is the check result normal?





STEP 5. M.U.T.-III diagnosis code



Q. Is the diagnosis code set?





STEP 6. Check the customise function.





  • P/W: O and C, D/M: O and C.
  • P/W: C, D/M: O and C.
  • D/M: O and C.


  • P/W: O and C.
  • P/W: C.

Q. Is the check result normal?





STEP 7. Check of the troubles



Q. Is the check result normal?