B1381

DTC Troubleshooting: B1381

DTC B1381:

Power Tailgate Closer Unit Release Switch Circuit Malfunction

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Open the tailgate with the tailgate outer handle.

2. Close the tailgate manually to the half latch position.

3. Open the tailgate with the tailgate outer handle.

4. Clear the DTCs with the HDS.

5. Check for DTCs with the HDS.

Is DTC B1381 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the power tailgate closer unit.

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

7. Disconnect power tailgate control unit connectors B (20P) and C (14P).

8. Connect the battery power to power tailgate control unit connector B (20P) terminal No. 9 and ground the terminal No. 20 momentarily. (The motor should run in the release direction.)






9. Check for continuity between power tailgate control unit connector C (14P) terminals No. 4 and No. 11.





Is there continuity?

YES -

Go to step 14.

NO -

Go to step 10.

10. Connect the battery power to power tailgate control unit connector B (20P) terminal No. 20 and ground the terminal No. 9 momentarily. Do the next step while the motor is running. (The motor should run in the close direction.)






11. Check for continuity between power tailgate control unit connector C (14P) terminals No. 4 and No. 11.





Is there continuity?

YES -

Replace the power tailgate control unit Component Tests and General Diagnostics.

NO -

Go to step 12.

12. Disconnect power tailgate closer unit connector B (6P).

13. Check for continuity between power tailgate control unit connector C (14P) terminal No. 4 and power tailgate closer unit connector B (6P) terminal No. 6.





Is there continuity?

YES -

Replace the power tailgate closer unit .

NO -

Repair an open or high resistance in the wire.

14. Disconnect power tailgate closer unit connector B (6P).

15. Check for continuity between power tailgate control unit connector C (14P) terminal No. 4 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.

NO -

Replace the power tailgate closer unit .