Inspection Procedure A-9: Electric tailgate automatic operation does not work normally by the operation of electric tailgate switch. (Open/close operation is not performed.)



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


COMMENTS ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Malfunction of electric tailgate switch system
  • Damaged electric tailgate control unit
  • Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III data list




  • Electric tailgate switch: OFF → ON
Item No.
Item name
Normal conditions
Item 2
Remote SW at driver’s seat
OFF → ON
OK: Normal conditions are displayed for all the items.

Q. Is the check result normal?





STEP 2. System retest



Q. Is the check result normal?