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.
2012 Lexus IS FFACTORY OEM SERVICE PROCEDURE
Engine Control System (Diagnostic Codes (P060D-P1605))
- SFI System
- DTC P060D: Internal Control Module Accelerator Pedal Position Performance
- DTC P060E: Internal Control Module Throttle Position Performance
- DTC P0617: Starter Relay Circuit High
- DTC P062F: Internal Control Module EEPROM Error
- DTC P0630: VIN not Programmed or Mismatch - ECM / PCM
- DTC P0657: Actuator Supply Voltage Circuit / Open
- DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input)
- DTC P0724: Brake Switch "B" Circuit High
- DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open
- DTC P1235: High Pressure Fuel Pump Circuit; DTC P1236: High Pressure Fuel Pump No. 2 Circuit
- DTC P1276: Port Injector Circuit No. 1; DTC P1277: Port Injector Circuit No. 2; DTC P1278: Port Injector Circuit No. 3; DTC P1279: Port Injector Circuit No. 4; DTC P127A: Port Injector Circuit No. 5; DTC P127B: Port Injector Circuit No. 6; DTC P127C: Port Injector Circuit #7; DTC P127D: Port Injector Circuit #8
- DTC P1340: Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1342: Camshaft Position Sensor "A" Low Input (MRE); DTC P1343: Camshaft Position Sensor "A" High Input (MRE)
- DTC P1360: "A" Camshaft Position Actuator Circuit Open, Low, High Bank1; DTC P1361: "A" Camshaft Position Actuator Circuit Open, Low, High Bank2
- DTC P1362: "B" Camshaft Position Actuator Circuit Open, Low, High Bank1; DTC P1363: "B" Camshaft Position Actuator Circuit Open, Low, High Bank2
- DTC P1364: "C" Camshaft Position Actuator Circuit Open, Low, High Bank1; DTC P1365: "C" Camshaft Position Actuator Circuit Open, Low, High Bank2
- DTC P1366: "E" Camshaft Position Actuator Circuit Open, Low, High Bank1; DTC P1367: "E" Camshaft Position Actuator Circuit Open, Low, High Bank2
- DTC P1603: Engine Stall History; DTC P1605: Rough Idling
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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