Component Tests and General Diagnostics

Power Tailgate Control Unit Input Test/Replacement

NOTE: Before testing, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Turn the ignition switch to LOCK (0).

2. Remove the left D-pillar trim.

3. Disconnect the 20P, 14P, and 5P connectors (A) from the power tailgate control unit (B).





4. Inspect all the connector and socket terminals to be sure they are all making good contact.

- If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 5.

5. With the connectors still disconnected, do the following input tests:

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If the input tests prove OK, go to step 6.





6. Reconnect all connectors to the power tailgate control unit, and do the following input tests:

- If the test indicates a problem, find and correct the cause, then recheck the system.
- If the input test proves OK, replace the power tailgate control unit.