Does it alternate between about 0 V and 5 V with an analog voltmeter, or is about 2.5 V indicated with a digital voltmeter?
YES -
Replace the power tailgate control unit.?
NO -
Go to step 9.
9. Disconnect power tailgate control unit connector B (20P).
10. Disconnect drive unit connector B (8P).
11. Check for continuity between power tailgate control unit connector B (20P) terminal No. 14 and body ground.
Is there continuity?
YES -
Repair a short to ground in the wire.?
NO -
Go to step 12.
12. Check for continuity between power tailgate control unit connector B (20P) terminals No. 14 and No. 18 and drive unit connector B (8P)
terminals No. 5 and No. 8 respectively.
Is there continuity?
YES -
Faulty power tailgate sensor A, replace the drive unit.?
