Inspection Procedure A-8: Electric tailgate automatic operation does not work normally by the operation of tailgate lock release handle (only the open of automatic operation).



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


COMMENTS ON TROUBLE SYMPTOM


The tailgate lock release handle or the electric tailgate control unit may be defective.

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 3
Gate handle switch
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-3 "Tailgate lock release handle signal is not received" .

STEP 2. System retest


Check that the tailgate opens normally with the operation of tailgate lock release handle.

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.