Control Unit Input Test/Replacement
Control Unit Input Test/ReplacementNOTE: Before testing the power tailgate control unit, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A.
1. Turn the ignition switch to LOCK (0).
2. Remove the left rear pillar trim.
3. Disconnect power tailgate control unit connectors A (5P), B (20P), and C (14P).
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, make these input tests at the connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If the input tests prove OK, go to step 5.
6. Reconnect all connectors to the power tailgate control unit, and make these input tests at the appropriate connector.
- 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.
7. Reset the power tailgate control unit.