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 IS FFACTORY OEM SERVICE PROCEDURE
Engine Control (SFI) System (Diagnostic Codes (P0010-P0201))
- 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 P0021: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2)
- DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2)
- DTC P0013: Camshaft Position "B" Actuator Circuit / Open (Bank 1); DTC P0023: Camshaft Position "B" Actuator Circuit / Open (Bank 2)
- DTC P0014: Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1); DTC P0015: Camshaft Position "B" - Timing Over-Retarded (Bank 1); DTC P0024: Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 2); DTC P0025: Camshaft Position "B" - 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 P0017: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B); DTC P0019: Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor B)
- DTC P0031: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1); DTC P0032: Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1); DTC P0051: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1); DTC P0052: Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 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 P0057: Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2); DTC P0058: Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2); DTC P0141: Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2); DTC P0161: Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0087: Fuel Rail / System Pressure - Too Low
- DTC P0088: Fuel Rail / System Pressure - Too High
- DTC P0101: Mass Air Flow Circuit Range / Performance Problem
- DTC P0102: Mass Air Flow Circuit Low; DTC P0103: Mass Air Flow Circuit High
- DTC P0111: Intake Air Temperature Sensor 1 Circuit Range / Performance
- DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input
- DTC P0115: Engine Coolant Temperature Circuit Malfunction; 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 P011B: Engine Coolant Temperature / Intake Air Temperature Correlation
- DTC P0120: Throttle / Pedal Position Sensor / Switch "A" Circuit Malfunction; 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: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- 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 P1170: Port Injector Fuel Performance; DTC P117B: Direct Injector Fuel Performance
- DTC P0190: Fuel Rail Pressure Sensor Circuit; DTC P0192: Fuel Rail Pressure Sensor Circuit Low Input; DTC P0193: Fuel Rail Pressure Sensor Circuit High Input
- DTC P0201: Injector Circuit / Open - (Cylinder 1); DTC P0202: Injector Circuit / Open - (Cylinder 2); DTC P0203: Injector Circuit / Open - (Cylinder 3); DTC P0204: Injector Circuit / Open - (Cylinder 4); DTC P0205: Injector Circuit / Open - (Cylinder 5); DTC P0206: Injector Circuit / Open - (Cylinder 6); DTC P0207: Injector Circuit / Open - (Cylinder 7); DTC P0208: Injector Circuit / Open - (Cylinder 8); DTC P062D: Fuel Injector Driver Circuit Performance Bank1; DTC P062E: Fuel Injector Driver Circuit Performance Bank2
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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