DTC Troubleshooting: B1385

DTC B1385: Temperature Sensor Malfunction

1. Clear the DTCs using the HDS.

1. Open the tailgate fully, then close the tailgate fully with the transmitter or the power tailgate inner switch.

1. Check the DTCs by selecting the DTCs MENU (DTCs) from the HDS.

Is DTC B1385 indicated?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, the system is OK at this time.■

1. Cycle the ignition switch to OFF.

1. Open the tailgate fully with the tailgate outer handle.

1. Disconnect power tailgate control unit connector D (8P).

1. Disconnect the temperature sensor 2P connector.

1. Check for continuity between the No. 1 terminal of power tailgate control unit connector D (8P) and body ground.

Is there continuity?

YES | - | Repair a short in the WHT (TRM+) wire.■
NO | - | Go to Step 9 .

1. Check for continuity between the No. 1 terminal of the temperature sensor 2P connector and body ground.

Is there continuity?

YES | - | Repair a short in the BLK (TRM−) wire.■
NO | - | Go to Step 10 .

1. Check for continuity between the No. 1 terminal of power tailgate control unit connector D (8P) and the No. 2 terminal of the temperature sensor 2P connector.

Is there continuity?

YES | - | Repair an open in the WHT (TRM−) wire.■
NO | - | Go to Step 11 .

1. Check for continuity between the No. 5 terminal of power tailgate control unit connector D (8P) and the No. 1 terminal of the temperature sensor 2P connector.

Is there continuity?

YES | - | Repair an open in the BLK (TRM−) wire.■
NO | - | Go to Step 12 .

1. Dip the temperature sensor in ice water, and measure the resistance between the No. 1 and No. 2 terminals of the temperature senser. Then pour hot water on the temperature sensor, and check for a change in resistance.

Is the resistance within the specifications shown on the graph?

YES | - | Faulty power tailgate control unit; replace it.■
NO | - | Faulty temperature sensor; replace it.■