1. Check the operation noise with connect battery positive (+) terminal to the No. 3 terminal of power tailgate control unit connector C (4P), and connect battery negative (−) terminal to the No. 4 terminal.

Is there operation sound?

YES | - | Go to Step 13 .
NO | - | Faulty power tailgate clutch; replace the power tailgate drive unit.■

1. Disconnect the power tailgate control unit connector B (5P).