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DTC Troubleshooting: B1175
DTC B1175: Fuel level sensor (Fuel gauge sending unit) circuit malfunction
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DTC Description |
DTC |
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B1175 Fuel level sensor (Fuel gauge sending unit) circuit malfunction |
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1. |
Problem verification:
Problem verification
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?1. |
Clear the DTCs with the HDS.
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?2. |
Turn the vehicle to the OFF (LOCK) mode and then the ON mode. |
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?3. |
Wait for at least 30 seconds. |
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?4. |
Check for DTCs with the HDS.
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DTC Description |
DTC |
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B1175 Fuel level sensor (Fuel gauge sending unit) circuit malfunction |
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Is DTC B1175 indicated?
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Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals.? |
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2. |
Open wire check (FUEL GAUGE lines):
Open wire check (FUEL GAUGE lines)
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?1. |
Turn the vehicle to the OFF (LOCK) mode. |
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?2. |
Disconnect the following connector.
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Gauge control module connector A (32P)
Fuel tank unit 4P connector | |
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?3. |
Check for continuity between test points 1 and 2.
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Test condition |
Vehicle OFF (LOCK) mode
Gauge control module connector A (32P): disconnected
Fuel tank unit 4P connector: disconnected |
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Test point 1 |
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Test point 2 |
Fuel tank unit 4P connector (female terminals) No. 2:  | |
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Test point 1 |
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Test point 2 |
Fuel tank unit 4P connector (female terminals) No. 4:  | |
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Is there continuity?
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The FUEL GAUGE wires are OK. Go to step 3. |
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Repair an open or high resistance in the wire(s).? |
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3. |
Fuel gauge sending unit check:
Fuel gauge sending unit check
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Is the unit OK?
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