Honda Accord ESM 2003 · Service Manual Service Manual 2003

DTC Troubleshooting: B1385 (5D)

DTC Troubleshooting: B1385

DTC B1385:  Temperature Sensor Malfunction


1.Clear the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS.

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

3.Check the DTCs by selecting the DTCs MENU (DTCs) from the Honda PGM Tester or the HDS.

Is DTC B1385 indicated?


YES - Go to 4.


NO - Intermittent failure, the system is OK at this time.n


4.Cycle the ignition switch to OFF.

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

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

7.Disconnect the temperature sensor 2P connector.

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

SEA3EM0K772000Y1385FAAD01POWER TAILGATE CONTROL
UNIT CONNECTOR D (8P)Wire side of female terminalsWHT

Is there continuity?


YES - Repair a short in the WHT (TRM+) wire.n


NO - Go to 9.

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

SEA3EM0K772000Y1385FAAD02TEMPERATURE SENSOR 2P
CONNECTORWire side of female terminalsBLK

Is there continuity?


YES - Repair a short in the BLK(TRM-) wire.n


NO - Go to 10.


10.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.

SEA3EM0K772000Y1385FAAD03POWER TAILGATE CONTROL
UNIT CONNECTOR D (8P)Wire side of female terminalsWire side of female terminalsPPTEMPERATURE SENSOR 2P CONNECTORWHT

Is there continuity?


YES - Repair an open in the WHT (TRM-) wire.n


NO - Go to 11.

11.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.

SEA3EM0K772000Y1385FAAD04POWER TAILGATE CONTROL
UNIT CONNECTOR D (8P)Wire side of female terminalsWire side of female terminalsTEMPERATURE SENSOR 2P CONNECTORBLK

Is there continuity?


YES - Repair an open in the BLK (TRM-) wire.n


NO - Go to 12.

12.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.

SEA3EM0K772000Y1385FAAD05-10123456789101112 010203040Temperature (°C)Resistance
(kW)

Is the resistance within the specifications shown on the graph?


YES - Faulty power tailgate control unit; replace it.n


NO - Faulty temperature sensor; replace it.n