User Manual

42
KohlerEngines.com 24 690 01 Rev. D
Code 0123
Component: Throttle Position Sensor (TPS)
Fault: TPS Circuit High Voltage
Condition: Shorted connection or faulty sensor.
Conclusion: TPS Sensor Related
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dirt, grease, oil, wear.
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Throttle Body Related
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damaged.
Engine Wiring Harness Related
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damaged (wiring, connectors).
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near noisy electrical signal (coils,
alternator).
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(pin Black 16).
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Code 0131
Component: Oxygen Sensor
Fault: O2S 1 Circuit Low Voltage
Condition: Open connection, broken wire or faulty
sensor.
Conclusion: Oxygen Sensor Related
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damaged.
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ECU Black pin 10 or 17.
TPS Learn Procedure Incorrect
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signal with VOA and see Oxygen
Sensor).
Engine wiring harness related such as a
cut wire, broken or pinched.
Code 0132
Component: Oxygen Sensor
Fault: O2S 1 Circuit High Voltage
Condition: Shorted connection or faulty sensor.
Conclusion: Oxygen Sensor Related
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ECU Black pin 10 or Black pin 17.
Engine Wiring Harness Related
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voltage and actual sensor voltage.
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Code 0171
Component: Fuel System
Fault: Maximum adaptation limit exceeded
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pressure at high pressure fuel line, TPS
malfunction, shorted connection, faulty
sensor, low fuel or wrong fuel type.
Conclusion: Oxygen Sensor Related
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ECU Black pin 10 or Black pin 17.
TPS Sensor Related
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Learn procedure.
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Engine Wiring Harness Related
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voltage and actual sensor voltage.
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Systems Related
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coil).
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pressure too low, fuel pump module or
lift pump).
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restricted, intake leak, throttle bores).
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oxygen sensor mounting boss, etc.).
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