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 (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 30 seconds.
- 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.
- Turn the ignition switch to LOCK (0).
- Disconnect the fuel tank unit 5P connector.
- Turn the ignition switch to ON (II).
- Measure the voltage between body ground and fuel tank unit 5P connector terminal No. 3.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there about 5 V?
YES -Go to step 9.
NO -Go to step 13.
- Measure the voltage between body ground and fuel tank unit 5P connector terminal No. 1.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Repair a short to power in the wire.
NO -Go to step 10.
- Turn the ignition switch to LOCK (0).
- Disconnect the gauge control module 32P connector.
- Check for continuity between body ground and fuel tank unit 5P connector terminal No. 1.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Repair an open or high resistance in the wire.
NO -Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).
- Measure the voltage between body ground and fuel tank unit 5P connector terminal No. 3.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES -Repair a short to power in the wire.
NO -Repair a short to ground in the wire.