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.
2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE
Section 51 (Engine Control System)
WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- Index For DTC
- Precautions
- Preparation
- On Board Diagnostic (OBD) System
- Introduction
- Two Trip Detection Logic
- Emission-Related Diagnostic Information
- DTC And 1ST Trip DTC
- Freeze Frame Data And 1ST Trip Freeze Frame Data
- System Readiness Test (SRT) Code
- Test Value And Test Limit (GST Only - Not Applicable To Consult-II)
- How To Erase Emission-Related Diagnostic Information
- NVIS (NISSAN Vehicle Immobilizer System - NATS)
- Malfunction Indicator Lamp (Mil)
- OBD System Operation Chart
- Relationship Between MIL, 1st Trip DTC, DTC, And Detectable Items
- Relationship Between MIL, DTC, 1st Trip DTC And Driving Patterns For "MISFIRE < EXHAUST QUALITY DETERIORATION >", "FUEL INJECTION SYSTEM"
- Relationship Between MIL, DTC, 1st Trip DTC And Driving Patterns EXCEPT For "MISFIRE < EXHAUST QUALITY DETERIORATION >", "FUEL INJECTION SYSTEM"
- Trouble Diagnosis
- Trouble Diagnosis Introduction
- DTC Inspection Priority Chart
- Fail-Safe Chart
- Basic Inspection
- Symptom Matrix Chart
- Engine Control Component Parts Location
- Wiring Diagram
- ECM Harness Connector Terminal Layout
- ECM Terminals And Reference Value
- Consult-II Function
- Generic Scan Tool (GST) Function
- Consult-II Reference Value In Data Monitor
- Major Sensor Reference Graph In Data Monitor Mode
- Trouble Diagnosis - Specification Value
- Trouble Diagnosis For Intermittent Incident
- Power Supply And Ground Circuit
- DTC U1000, U1001: Can Communication Line
- DTC P0037, P0038, P0057, P0058: Ho2S2 Heater
- DTC P0101: MAF Sensor
- DTC P0102, P0103: MAF Sensor
- DTC P0112, P0113: IAT Sensor
- DTC P0117, P0118: ECT Sensor
- DTC P0122, P0123: TP Sensor
- DTC P0125: ECT Sensor
- DTC P0127: IAT Sensor
- DTC P0128: Thermostat Function
- DTC P0138, P0158: Ho2S2
- DTC P0139, P0159: Ho2S2
- DTC P0171, P0174: Fuel Injection System Function
- DTC P0172, P0175: Fuel Injection System Function
- DTC P0181: FTT Sensor
- DTC P0182, P0183: FTT Sensor
- DTC P0222, P0223: TP Sensor
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: Multiple Cylinder Misfire, No. 1 - 8 Cylinder Misfire
- DTC P0327, P0328, P0332, P0333: KS
- DTC P0335: CKP Sensor (Pos)
- DTC P0340: Camshaft Position (CMP) Sensor (Phase)
- DTC P0420, P0430: Three Way Catalyst Function
- DTC P0441: EVAP Control System
- DTC P0442: EVAP Control System
- DTC P0444, P0445: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P0447: EVAP Canister Vent Control Valve
- DTC P0451: EVAP Control System Pressure Sensor
- DTC P0452: EVAP Control System Pressure Sensor
- DTC P0453: EVAP Control System Pressure Sensor
- DTC P0455: EVAP Control System
- DTC P0456: EVAP Control System
- DTC P0460: Fuel Level Sensor
- DTC P0461: Fuel Level Sensor
- DTC P0462, P0463: Fuel Level Sensor Circuit
- DTC P0500: VSS
- DTC P0506: ISC System
- DTC P0507: ISC System
- DTC P0550: PSP Sensor
- DTC P0605: ECM
- DTC P1031, P1032, P1051, P1052: A/F Sensor 1 Heater
- DTC P1065: ECM Power Supply
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function
- DTC P1124, P1126: Throttle Control Motor Relay
- DTC P1128: Throttle Control Motor
- DTC P1146, P1166: Ho2S2
- DTC P1147, P1167: Ho2S2
- DTC P1148, P1168: Closed Loop Control
- DTC P1211: TCS Control Unit
- DTC P1212: TCS Communication Line
- DTC P1217: Engine Over Temperature
- DTC P1225: TP Sensor
- DTC P1226: TP Sensor
- DTC P1229: Sensor Power Supply
- DTC P1271, P1281: A/F Sensor 1
- DTC P1272, P1282: A/F Sensor 1
- DTC P1273, P1283: A/F Sensor 1
- DTC P1274, P1284: A/F Sensor 1
- DTC P1276, P1286: A/F Sensor 1
- DTC P1278, P1288: A/F Sensor 1
- DTC P1279, P1289: A/F Sensor 1
- DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P1446: EVAP Canister Vent Control Valve
- DTC P1564: ASCD Steering Switch
- DTC P1572: ASCD Brake Switch
- DTC P1574: ASCD Vehicle Speed Sensor
- DTC P1706: PNP Switch
- DTC P1805: Brake Switch
- DTC P2122, P2123: App Sensor
- DTC P2127, P2128: App Sensor
- DTC P2135: TP Sensor
- DTC P2138: App Sensor
Factory Service Tools
Use the Manual With the Right Hardware
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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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