B1175

DTC Troubleshooting: B1175

DTC B1175:

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Malfunction

1. Clear the DTCs with the HDS.

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

3. Wait for at least 30 seconds.

4. Check for DTCs with the HDS.

Is DTC B1175 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the fuel level sensor circuit is OK at this time. Check for loose or poor connections.�

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

6. Disconnect the fuel tank unit 5P connector.

7. Disconnect the gauge control module 36P connector and check for loose or bent terminals.

8. Check for continuity between gauge control module 36P connector terminal No. 32 and fuel tank unit 5P connector terminal No. 2, and between gauge control module 36P connector terminal No. 35 and fuel tank unit 5P connector terminal No. 1 respectively.





Is there continuity?

YES -

Go to step 9.

NO -

Repair an open or high resistance in the wire between the gauge control module and the fuel tank unit wires.�

9. Do the fuel gauge sending unit test Testing and Inspection.

Is the fuel gauge sending unit OK?

YES -

Replace the gauge control module Service and Repair.�

NO -

Replace the fuel tank unit Service and Repair.�