B1175
DTC B1175: Fuel Gauge Unit Circuit Open1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF, then turn it ON (II).
4. Wait more than 30 seconds.
5. Check for DTCs with the HDS.
Is DTC B1152 indicated?
YES - Go to step 6.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the gauge assembly and the fuel gauge sending unit.
6. Without disconnecting the gauge assembly or fuel gauge sending unit connector, check for voltage between gauge assembly connector B (30P) No. 10 terminal and fuel gauge sending unit 5P connector No. 2 terminal, and between gauge assembly connector 6 (30P) No. 2 terminal and fuel gauge sending unit 5P connector No. 1 terminal.
Is there less than 0.1 V?
YES - Go to step 7.
NO - Repair an open in the wire between the gauge assembly and the fuel gauge sending unit.
7. Test the fuel gauge sending unit
Is the fuel gauge sending unit normal?
YES - Replace the gauge assembly.
NO - Replace the fuel gauge sending unit.