Inspection Procedure A-2: Electric tailgate automatic operation and easy closer system do not work normally.


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

COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of ETACS-ECU
  • Damaged electric tailgate control unit
  • Damaged wiring harness and connectors

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. M.U.T.-III diagnosis code


(1)Operate the electric tailgate.
(2)Check whether a diagnosis code is set in the electric tailgate control unit.

Q. Is the diagnosis code set?





STEP 5. M.U.T.-III data list




  • Turn the ignition switch to the LOCK (OFF) position.
Item No.
 Item name
 Normal conditions
Item 12
 ECU power supply voltage
 System voltage
OK: Normal conditions are displayed for all the items.

Q. Is the check result normal?





STEP 6. System retest



Q. Is the check result normal?