Inspection Procedure A-8: Power liftgate automatic operation does not work normally by the operation of liftgate 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 liftgate lock release handle or the power liftgate control unit may be defective.
PROBABLE CAUSES
Liftgate lock release handle system failed
Damaged power liftgate control unit
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), check data list
Check the signals related to the power liftgate operation.
Liftgate lock release handle: OFF → ON
Item No.
Item name
Normal conditions
3
Gate handle switch
OFF → ON
OK: Normal conditions are displayed for all the items.
Is the check result normal?
Go to Step 2.
Refer to Inspection Procedure B-3 "Liftgate lock release handle signal is not received" .
STEP 2. Check of the troubles
Check that the liftgate opens normally with the operation of liftgate lock release handle.
Is the check result normal?
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction .)