Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Engine Control System (Diagnostic Codes (P0010 - P0340))
- SFI System
- DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1); DTC P0020: Camshaft Position "A" Actuator Circuit (Bank 2)
- DTC P0011: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0021: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2)
- DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A); DTC P0018: Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
- DTC P0031: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1); DTC P0032: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1); DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2); DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2); DTC P0051: Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 1); DTC P0052: Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 1); DTC P0057: Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2); DTC P0058: Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
- DTC P0100: Mass Air Flow Circuit Malfunction; DTC P0102: Mass Air Flow Circuit Low; DTC P0103: Mass Air Flow Circuit High
- DTC P0101: Mass Air Flow Circuit Range / Performance Problem
- DTC P0110: Intake Air Temperature Circuit; DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
- DTC P0111: Intake Air Temperature Sensor Gradient Too High
- DTC P0115: Engine Coolant Temperature Circuit; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem
- DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit; DTC P0122: Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input; DTC P0123: Throttle / Pedal Position Sensor / Switch "A" Circuit High Input; DTC P0220: Throttle / Pedal Position Sensor / Switch "B" Circuit; DTC P0222: Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input; DTC P0223: Throttle / Pedal Position Sensor / Switch "B" Circuit High Input; DTC P2135: Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation
- DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Thermostat Malfunction
- DTC P0130: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1); DTC P0132: Oxygen Sensor Circuit High Voltage Bank1 Sensor1; DTC P0150: Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 1); DTC P0152: Oxygen Sensor Circuit High Voltage Bank2 Sensor1; DTC P2195: Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196: Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1); DTC P2197: Oxygen Sensor Signal Stuck Lean (Bank 2 Sensor 1); DTC P2198: Oxygen Sensor Signal Stuck Rich (Bank 2 Sensor 1)
- DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P0153: Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1)
- DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1); DTC P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); DTC P0137: Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); DTC P0138: Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2); DTC P0139: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 2); DTC P0156: Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2); DTC P0157: Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2); DTC P0158: Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2); DTC P0159: Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 2)
- DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2)
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected; DTC P0305: Cylinder 5 Misfire Detected; DTC P0306: Cylinder 6 Misfire Detected; DTC P0307: Cylinder 7 Misfire Detected; DTC P0308: Cylinder 8 Misfire Detected
- DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); DTC P0328: Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor); DTC P0332: Knock Sensor 2 Circuit Low Input (Bank 2); DTC P0333: Knock Sensor 2 Circuit High Input (Bank 2)
- DTC P0335: Crankshaft Position Sensor "A" Circuit; DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340: Camshaft Position Sensor Circuit Malfunction; DTC P0345: Camshaft Position Sensor "A" Circuit (Bank 2)
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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