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


The electric tailgate switch system or the electric tailgate control unit may have a problem.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


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


Check the signals related to the electric tailgate operation.

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?

Go to Step 2.

Refer to Inspection Procedure B-8 "Electric tailgate switch signal is not received" .

STEP 2. System retest


Check whether the electric tailgate works normally.

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction .)

Replace the electric tailgate control unit.