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Inspection Procedure A-9: Power liftgate automatic operation does not work normally by the operation of power liftgate switch. (Open/close operation is not performed.)
 
 
cautionBefore replacing the ECU, ensure that the input and output signal circuits are normal.
 
 
 
 
COMMENTS ON TROUBLE SYMPTOM
The power liftgate switch system or the power liftgate control unit may have a problem.
 
 
PROBABLE CAUSES
  • Malfunction of power liftgate switch system
  • Damaged power liftgate control unit
  • Damaged wiring harness and connectors
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), check data list
Check the signals related to the power liftgate operation.
  • Power liftgate switch: OFF → ON
 
Item No.Item nameNormal conditions
2Remote SW at driver's seatOFF → ON
OK: Normal conditions are displayed for all the items.
Is the check result normal?
Go to Step 2.
Refer to Inspection Procedure B-8 "Power liftgate switch signal is not received" .
 
STEP 2. Check of the troubles
Check whether the power liftgate works normally.
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 power liftgate control unit.