B1175
DTC B1175: Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Open1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Wait for 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 OFF.
6. Disconnect the fuel pump 5P connector.
7. Disconnect the gauge control module 36P connector and check for loose or bent terminals.
8. Reconnect the connectors.
9. Turn the ignition switch ON (II).
10. Check for voltage between gauge control module 36P connector terminal No. 32 and fuel pump 5P connector terminal No. 2, and the gauge control module 36P connector terminal No. 35 and the fuel pump 5P connector terminal No. 1.
Is there less than 0.5 V?
YES - Go to step 11.
NO - Repair an open or high resistance in the YEL/BLK or the BLK/WHT wires.
11. Do the fuel gauge sending unit test.
Is the fuel gauge sending unit OK?
YES - Replace the gauge control module.
NO - Replace the fuel gauge sending unit.