B1378

DTC Troubleshooting: B1378

DTC B1378:

Power Tailgate Right Touch/Pinch Sensor 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 manually or with the keyless transmitter.

2. Close the tailgate with the keyless transmitter or driver's door power tailgate switch.

3. Turn the ignition switch to LOCK (0), and then back to ON (II).

4. Clear the DTCs with the HDS.

5. Check for DTCs with the HDS.

Is DTC B1378 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 right pinch sensor.�

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

7. Disconnect the power tailgate right pinch sensor 2P connector.

8. Turn the ignition switch to ON (II).

9. Measure the voltage between power tailgate right pinch sensor 2P connector terminals No. 2 (+) and No. 1 (-).





Is there battery voltage?

YES -

Replace the power tailgate right pinch sensor .�

NO -

Go to step 10.

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

11. Disconnect power tailgate control unit connector B (20P).

12. Check for continuity between power tailgate control unit connector B (20P) terminal No. 13 and power tailgate right pinch sensor 2P connector terminal No. 2.





Is there continuity?

YES -

Go to step 13.

NO -

Repair an open or high resistance in the wire.�

13. Check for continuity between power tailgate control unit connector B (20P) terminal No. 17 and power tailgate right pinch sensor 2P connector terminal No. 1.





Is there continuity?

YES -

Replace the power tailgate control unit Service and Repair.�

NO -

Repair an open or high resistance in the wire.�