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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 ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. |
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?3. |
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and wait more than 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 loose or poor connections.? |
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2. |
Open wire check (FUEL GAGE+ line):
Open wire check (FUEL GAGE+ line)
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?1. |
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode. |
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?2. |
Disconnect the following connectors.
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?3. |
Check for continuity between test points 1 and 2.
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Test condition |
IG LOCK (0) or OFF mode
Gauge control module connector A (32P): disconnected
Fuel gauge sending unit 4P connector: disconnected |
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Test circuit |
FUEL GAGE+ |
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Test point 1 |
Gauge control module connector A (32P) No. 22 (GRY) |
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Test point 2 |
Fuel gauge sending unit 4P connector No. 2 (GRY) | |
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Is there continuity?
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The FUEL GAGE+ wire is OK. Go to step 3. |
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Repair an open or high resistance in the wire.? |
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3. |
Open wire check (FUEL GAGE- line):
Open wire check (FUEL GAGE- line)
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?1. |
Check for continuity between test points 1 and 2.
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Test condition |
IG LOCK (0) or OFF mode
Gauge control module connector A (32P): disconnected
Fuel gauge sending unit 4P connector: disconnected |
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Test circuit |
FUEL GAGE- |
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Test point 1 |
Gauge control module connector A (32P) No. 21 (TAN) |
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Test point 2 |
Fuel gauge sending unit 4P connector No. 4 (TAN) | |
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Is there continuity?
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The FUEL GAGE- wire is OK. Go to step 4. |
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Repair an open or high resistance in the wire.? |
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4. |
Fuel gauge sending unit check:
Fuel gauge sending unit check
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Is the fuel gauge sending unit OK?
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