Honda HR-V: DTC B1175 (2WD) Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Malfunction
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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 - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks.
1. Problem verification.
- Check the fuel gauge.
Does the gauge move to the empty position and the low fuel indicator blink?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.
2. Fuel gauge operation check.
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
Fuel tank unit 4P connector
3. Connect terminals A and B with a 2 Ω resistor and a jumper wire.
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- Remove the No. B21 (10 A) fuse from the under-hood fuse/relay box for at least 10 seconds, then reinstall it.
- Turn the vehicle to the ON mode.
- Check the fuel gauge.
Does the gauge move to the full position?
YES
Go to step 4.
NO
Go to step 3.
3. Open wire check (FUEL GAUGE+ line).
Measure the voltage between test points 1 and 2.
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Is there battery voltage?
YES
Repair an open or high resistance in the wire.
NO
The FUEL GAUGE+ wire is OK. Replace the gauge control module.
4. Open wire check (FUEL GAUGE- line).
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
Gauge control module connector A (32P)
- Check for continuity between test points 1 and 2.
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Is there continuity?
YES
The FUEL GAUGE- wire is OK. Replace the fuel tank unit - Refer to: Fuel Tank Unit Removal and Installation (2WD), or Fuel Tank Unit Removal and Installation (AWD).
NO
Repair an open or high resistance in the wire.
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NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
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NOTE: If you are troubleshooting multiple DTCs, be sure to follow the
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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 - Refer to: Body Electrical Troubleshooting -
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NOTE:
When working on electronic components, make sure the work area is clean
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