DTC B1175

DTC B1175 : Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Malfunction

DTC Description	DTC
B1175 Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Malfunction

DTC (Gauge Control Module)

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

Problem verification

-1. Clear the DTCs with the HDS.

-2. Turn the vehicle to the OFF (LOCK) mode.

-3. Turn the vehicle to the ON mode, and wait more than 30 seconds.

-4. Check for DTCs with the HDS.

DTC Description	DTC
B1175 Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Malfunction

Is DTC B1175 indicated?

YES

Go to step 2.

Intermittent failure, the system is OK at this time. Check for loose or poor connections.

Open wire check (FUEL GAUGE- line)

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connectors.

-3. Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode Gauge control module connector A (32P): disconnected Fuel tank unit 4P connector: disconnected Gauge control module connector A (32P): disconnected Fuel tank unit 4P connector: disconnected
Test circuit	FUEL GAUGE-
Test point 1	Gauge control module connector A (32P) No. 31 (GRY)
Test point 2	Fuel tank unit 4P connector No. 4 (GRY)

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES

The FUEL GAUGE- wire is OK. Go to step 3.

Repair an open or high resistance in the wire.

Open wire check (FUEL GAUGE+ line)

-1. Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode Gauge control module connector A (32P): disconnected Fuel tank unit 4P connector: disconnected
Test circuit	FUEL GAUGE+
Test point 1	Gauge control module connector A (32P) No. 6 (YEL)
Test point 2	Fuel tank unit 4P connector No. 2 (YEL)

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES

The FUEL GAUGE+ wire is OK. Go to step 4.

Repair an open or high resistance in the wire.