INSPECTION PROCEDURE 3: Selector "P" position-linked door unlock function does not operate <A/T, CVT, TC-SST>.


caution Before replacing the ECU, ensure that the input and output signal circuits are normal.




OPERATION



COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of CAN bus line
  • Malfunction of ETACS-ECU
  • Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE


STEP 1. Checking central door unlocking operation



Q. Is the check result normal?





STEP 2. Check the customise function.




  • Always enabled
  • P/W unlocked

Q. Is the check result normal?





STEP 3. M.U.T.-III CAN bus diagnostics



Q. Is the CAN bus normal?





STEP 4. Check the M.U.T.-III Diagnosis code of other systems



Q. Is the diagnosis code set?









STEP 5. Retest the system.



Q. Is the check result normal?