B1175

DTC Troubleshooting: B1175

DTC B1175:

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Malfunction

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

1. Clear the DTCs with the HDS.

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

3. Check for DTCs with the HDS.

Is DTC B1175 indicated?

YES -

Go to step 4.

NO -

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

4. Test the fuel gauge sending unit Testing and Inspection.

Is the fuel gauge sending unit OK?

YES -

Go to step 5.

NO -

Replace the fuel tank unit.�

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

6. Disconnect the fuel tank unit 4P connector.

7. Disconnect gauge control module 32P connector.

8. Check for continuity between gauge control module 32P connector terminal No. 27 and No. 28, and fuel tank unit 4P connector terminal No. 1 and No. 3.





Is there continuity?

YES -

Go to step 9.

NO -

Repair an open or high resistance in the wire.�

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

Is the fuel tank unit OK?

YES -

Replace the gauge control module Gauge Control Module Replacement.�

NO -

Replace the fuel tank unit Service and Repair.�