Inspection Procedure A-7: Electric tailgate automatic operation does not work normally by the operation of keyless operation key (for both open and close operations).



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


COMMENTS ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Malfunction of keyless operation key
  • Damaged electric tailgate control unit

DIAGNOSIS PROCEDURE


STEP 1. Keyless entry system operation check



Q. Is the check result normal?





STEP 2. M.U.T.-III CAN bus diagnostics



Q. Is the CAN bus normal?





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



Q. Is the diagnosis code set?





STEP 4: System retest using the normal keyless operation key


(1)Register the keyless operation key which operates the electric tailgate normally.
(2)Check whether the electric tailgate works normally.

Q. Is the check result normal?





STEP 5. System retest



Q. Is the check result normal?