Except FFV Model: USA Models

DTC Troubleshooting: B1176

DTC B1176:

Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Short

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. 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 DTCs B1176 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the fuel level sensor circuit is OK at this time. Check for worn/missing insulation or an internal short in the wire.

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

6. Disconnect the fuel tank unit 5P connector.

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

8. Measure the voltage between body ground and fuel tank unit 5P connector terminal No. 3.





Is there about 5 V?

YES -

Go to step 9.

NO -

Go to step 13.

9. Measure the voltage between body ground and fuel tank unit 5P connector terminal No. 1.





Is there battery voltage?

YES -

Repair a short to power in the wire.

NO -

Go to step 10.

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

11. Disconnect the gauge control module 32P connector.

12. Check for continuity between body ground and fuel tank unit 5P connector terminal No. 1.





Is there continuity?

YES -

Repair an open or high resistance in the wire.

NO -

Replace the gauge control module Service and Repair.

13. Measure the voltage between body ground and fuel tank unit 5P connector terminal No. 3.





Is there battery voltage?

YES -

Repair a short to power in the wire.

NO -

Repair a short to ground in the wire.