Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Door Lock (Preparation)
    • Door Lock (Service Information)
    • Engine Immobiliser (Diagnostic Codes & Circuit Tests)
    • Engine Immobiliser (Diagnostics - Introduction)
    • Engine Immobiliser (Preparation)
    • Engine Immobiliser (Service Information)
    • Power Door Lock (Diagnostics)
    • Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests)
    • Theft Deterrent (Diagnostics)
    • Theft Deterrent (Service Information)
    • Theft Deterrent System (Preparation) - GS450H
    • Wireless Door Lock Control (Diagnostic Codes & Symptom Tests)
    • Wireless Door Lock Control (Diagnostics - Introduction)
  • Communication Devices
    • Can Communication (Diagnostic Codes & Symptom Tests)
    • Can Communication (Diagnostics - Introduction)
    • Can Communication (Preparation)
    • Garage Door Opener (Registration & Inspection)
    • Multiplex Communication (Diagnostic Codes)
    • Multiplex Communication (Diagnostics - Introduction)
    • Multiplex Communication (Preparation) - GS450H
  • Cruise Control Systems
    • Cruise Control (Diagnostic Codes & Circuit Tests)
    • Cruise Control (Diagnostics - Introduction)
    • Cruise Control (Preparation)
    • Cruise Control (Service Information)
    • Cruise Control (Service Specifications)
    • Dynamic Radar Cruise Control (Diagnostic Codes & Circuit Tests)
    • Dynamic Radar Cruise Control (Diagnostics - Introduction)
  • Entertainment Systems
    • Audio (Service Specifications)
    • Audio / Visual (Diagnostic Codes & Symptom Tests)
    • Audio / Visual (Diagnostics - Introduction)
    • Audio / Visual (Preparation)
    • Audio / Visual (Service Information)
    • Cellular Communication (Preparation)
    • Cellular Communication (Service Information)
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    • Electro Multi Vision (Diagnostic Codes & Symptom Tests)
    • Electro Multi Vision (Diagnostics - Introduction)
    • LEXUS ENFORM System (Diagnostics)
    • Multi-Display (W/O Navigation) (Service Information)
    • Navigation (Preparation) - GS450H
    • Safety Connect (Diagnostic Codes & Symptom Tests)
    • Safety Connect (Diagnostics - Introduction)
  • Exterior Lights
    • Lighting (Diagnostic Codes & Circuit Tests)
    • Lighting (Diagnostics - Introduction)
    • Lighting (Preparation)
    • Lighting (Service Information)
    • Lighting (Service Specifications)
  • Gauges & Instrument Panels
    • Combination Meter (Service Information)
    • Instrument Panel (Preparation) - GS450H
    • Instrument Panel (Service Information)
    • Instrument Panel (Service Specifications)
    • Meter (Preparation) - GS450H
    • Meter / Gauge (Diagnostics)
  • Horns
    • Horn (Preparation)
    • Horn (Service Information)
    • Horn (Service Specifications) - GS450H
  • Infotainment
    • Audio (Service Specifications)
    • Audio / Visual (Diagnostic Codes & Symptom Tests)
    • Audio / Visual (Diagnostics - Introduction)
    • Audio / Visual (Preparation)
    • Audio / Visual (Service Information)
    • Cellular Communication (Preparation)
    • Cellular Communication (Service Information)
    • Cellular Communication (Service Specifications)
    • Electro Multi Vision (Diagnostic Codes & Symptom Tests)
    • Electro Multi Vision (Diagnostics - Introduction)
    • LEXUS ENFORM System (Diagnostics)
    • Multi-Display (Service Information)
    • Multi-Display (W/O Navigation) (Service Information)
    • Navigation (For DVD) (Diagnostic Codes & Symptom Tests)
    • Navigation (For DVD) (Diagnostics - Introduction)
    • Navigation (For HDD) (Diagnostic Codes & Symptom Tests)
    • Navigation (For HDD) (Diagnostics - Introduction)
    • Navigation (Preparation) - GS450H
    • Navigation (Service Information)
    • Safety Connect (Diagnostic Codes & Symptom Tests)
    • Safety Connect (Diagnostics - Introduction)
  • Interior/Exterior Trim
    • Exterior (Preparation)
    • Exterior (Service Information)
    • Exterior (Service Specifications)
    • Interior (Preparation)
    • Interior (Service Information)
    • Rear Sunshade (Diagnostics)
  • Interior/Illumination Lights
    • Lighting (Diagnostics - Introduction)
    • Lighting (Preparation)
    • Lighting (Service Information)
  • Mirrors
    • Mirror (Preparation)
    • Mirror (Service Information)
    • Mirror (Service Specifications)
    • Power Mirror Control (Diagnostics)
  • Seats
    • Climate Control Seat (Inspection)
    • Front Power Seat Control (W/ Seat Position Memory) (Diagnostics)
    • Front Power Seat Control (W/O Seat Position Memory) (Inspection)
    • Seat (Preparation)
    • Seat (Service Information)
    • Seat (Service Specifications)
    • Seat Heater (Inspection)
  • Warning Systems
    • Intuitive Parking Assist (Diagnostic Codes & Circuit Tests)
    • Intuitive Parking Assist (Diagnostics - Introduction)
    • Park Assist / Monitoring (Preparation) - GS450H
    • Park Assist / Monitoring (Service Information)
    • Rear View Monitor System (Inspection)
    • Seat Belt Warning System (Diagnostics)
  • Window Motors & Regulators
    • Power Window Control (Diagnostic Codes & Symptom Tests)
    • Power Window Control (Diagnostics - Introduction)
    • Window (Service Specifications) - GS450H
    • Window Defogger (Diagnostics)
    • Windshield / WINDOWGLASS (Preparation)
    • Windshield / WINDOWGLASS (Service Information)
    • Windshield Deicer (Diagnostics)
  • Wiper/Washer Systems
    • Wiper And Washer (Diagnostics)
    • Wiper And Washer (Preparation) - GS450H
    • Wiper And Washer (Service Information)
    • Wiper And Washer (Service Specifications)
• Body & Frame
  • Door Locks
    • Door Lock (Preparation)
    • Door Lock (Service Information)
    • Engine Immobiliser (Diagnostic Codes & Circuit Tests)
    • Engine Immobiliser (Diagnostics - Introduction)
    • Engine Immobiliser (Preparation)
    • Engine Immobiliser (Service Information)
    • Power Door Lock (Diagnostics)
    • Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests)
    • Theft Deterrent (Diagnostics)
    • Theft Deterrent (Service Information)
    • Theft Deterrent System (Preparation) - GS450H
    • Wireless Door Lock Control (Diagnostic Codes & Symptom Tests)
    • Wireless Door Lock Control (Diagnostics - Introduction)
  • Exterior Body Panels
    • (Door / Hatch) (Service Information)
    • Door (Service Specifications)
    • Engine Hood / Door (Preparation)
    • Fuel Lid Opener (Diagnostics)
    • Luggage Compartment Door Closer (Diagnostic Codes)
    • Luggage Compartment Door Closer (Diagnostics - Introduction)
    • Luggage Compartment Door Opener (Diagnostics)
  • Exterior/Interior Trim
    • Exterior (Preparation)
    • Exterior (Service Information)
    • Exterior (Service Specifications)
    • Interior (Preparation)
    • Interior (Service Information)
    • Rear Sunshade (Diagnostics)
  • Mirrors
    • Mirror (Preparation)
    • Mirror (Service Information)
    • Mirror (Service Specifications)
    • Power Mirror Control (Diagnostics)
  • Seats
    • Climate Control Seat (Inspection)
    • Front Power Seat Control (W/ Seat Position Memory) (Diagnostics)
    • Front Power Seat Control (W/O Seat Position Memory) (Inspection)
    • Seat (Preparation)
    • Seat (Service Information)
    • Seat (Service Specifications)
    • Seat Heater (Inspection)
  • Sun Roof/T-Top/Convertible Top
    • Sliding Roof (Diagnostics)
    • Sliding Roof (Preparation)
    • Sliding Roof (Service Information)
    • Sliding Roof (Service Specifications)
  • Windows
    • Power Window Control (Diagnostic Codes & Symptom Tests)
    • Power Window Control (Diagnostics - Introduction)
    • Window (Service Specifications) - GS450H
    • Window Defogger (Diagnostics)
    • Windshield / WINDOWGLASS (Preparation)
    • Windshield / WINDOWGLASS (Service Information)
    • Windshield Deicer (Diagnostics)
• Brakes
  • Anti-Lock Brakes
    • Brake Control (Diagnostic Codes & Symptom Tests)
    • Brake Control (Diagnostics - Introduction)
    • Brake Control (Preparation)
    • Brake Control (Service Information)
    • Brake Control (Service Specifications)
  • Mechanical - Hydraulic
    • Brakes (Inspection)
    • Brakes (Preparation)
    • Brakes (Service Information)
    • Brakes (Service Specifications)
  • Parking Brake System
    • Parking Brake (Inspection & Adjustment)
    • Parking Brake (Preparation)
    • Parking Brake (Service Information)
    • Parking Brake (Service Specifications)
  • Traction Control
    • Brake Control (Diagnostic Codes & Symptom Tests)
    • Brake Control (Diagnostics - Introduction)
    • Brake Control (Preparation)
    • Brake Control (Service Information)
    • Brake Control (Service Specifications)
• Drivelines & Axles
  • Axle Shafts
    • Drive Shaft (Inspection)
    • Drive Shaft (Preparation)
    • Drive Shaft (Service Specifications)
    • Rear Drive Shaft (Service Information)
  • Differentials & Drive Axles
    • Axle (Inspection)
    • Differential (Inspection)
    • Differential (Preparation)
    • Differential (Service Information)
    • Differential (Service Specifications)
  • Driveshaft & Universal Joints
    • Propeller Shaft (Inspection)
    • Propeller Shaft (Preparation)
    • Propeller Shaft (Service Information)
    • Propeller Shaft (Service Specifications)
  • Wheel Hubs
    • Axle (Preparation)
    • Axle Hubs & Steering Knuckle (Service Information)
    • Axle Hubs & Steering Knuckle (Service Specifications)
• Electrical
  • Body Electrical
    • Battery (Service Information)
    • Battery Current Sensor (For Active Stabilizer) (Inspection)
    • OEM Connector End Views
    • OEM Electrical Wiring Diagram Abbreviations
    • OEM Electrical Wiring Diagram General Information
    • OEM Electrical Wiring Diagram Glossary Of Terms & Symbols
    • OEM Electrical Wiring Diagram Troubleshooting
    • OEM Electrical Wiring Harness Routing
    • OEM Ground Points
    • OEM Overall Electrical Wiring Diagram
    • OEM Part Number Of Connectors
    • OEM Power Source (Current Flow Chart)
    • OEM System Circuits
    • Other System (Service Information)
  • Charging Systems
    • Charging (Preparation)
    • Charging (Service Specifications)
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fuses & Circuit Breakers
    • OEM Junction Block, Ecu & Fuse/Relay Locations
  • Gauges
    • Combination Meter (Service Information)
    • Instrument Panel (Preparation) - GS450H
    • Instrument Panel (Service Information)
    • Instrument Panel (Service Specifications)
    • Meter (Preparation) - GS450H
    • Meter / Gauge (Diagnostics)
  • Horns
    • Horn (Preparation)
    • Horn (Service Information)
    • Horn (Service Specifications) - GS450H
  • Motors, Switches, Relays
    • Battery (Service Information)
    • Battery Current Sensor (For Active Stabilizer) (Inspection)
    • OEM Connector End Views
    • OEM Electrical Wiring Diagram Abbreviations
    • OEM Electrical Wiring Diagram General Information
    • OEM Electrical Wiring Diagram Glossary Of Terms & Symbols
    • OEM Electrical Wiring Diagram Troubleshooting
    • OEM Electrical Wiring Harness Routing
    • OEM Ground Points
    • OEM Overall Electrical Wiring Diagram
    • OEM Part Number Of Connectors
    • OEM Power Source (Current Flow Chart)
    • OEM System Circuits
    • Other System (Service Information)
  • Starter
    • Power Switch (Service Information)
    • Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests)
    • Smart Access System (Keyless Start) (Diagnostics - Introduction)
    • Starting (Preparation)
    • Starting (Service Specifications)
  • Wiring Diagrams
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Emission Control (Inspection)
    • Emission Control (Preparation)
    • Emission Control (Service Information)
    • Emission Control (Service Specifications)
  • Cooling Fan System (Inspection)
  • Cooling System (Mechanical)
    • Block Heater
    • Cooling (Inspection)
    • Cooling (Preparation)
    • Cooling (Service Information)
    • Cooling (Service Specifications)
  • Exhaust
    • Engine Exhaust Assembly (Service Information)
    • Exhaust (Preparation)
    • Exhaust (Service Specifications)
  • Fuel System
    • Fuel (Inspection)
    • Fuel (Preparation)
    • Fuel (Service Information)
    • Fuel (Service Specifications)
  • Lubrication System
    • Lubrication (Inspection)
    • Lubrication (Preparation)
    • Lubrication (Service Information)
    • Lubrication (Service Specifications)
  • Mechanical
    • Block Heater
    • Engine Mechanical (Preparation)
    • Engine Mechanical (Service Information)
    • Engine Mechanical (Service Specifications)
  • Starter
    • Power Switch (Service Information)
    • Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests)
    • Smart Access System (Keyless Start) (Diagnostics - Introduction)
    • Starting (Preparation)
    • Starting (Service Specifications)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Engine Control (Service Specifications)
  • Fuel Delivery
    • Fuel (Inspection)
    • Fuel (Preparation)
    • Fuel (Service Information)
    • Fuel (Service Specifications)
  • Ignition System
    • Ignition (Inspection)
    • Ignition (Preparation)
    • Ignition (Service Information)
    • Ignition (Service Specifications)
  • Mode 6 - LEXUS
  • Remove, Overhaul & Install
    • Engine Control System (Service Information)
  • Specifications
    • Engine Control (Preparation)
    • Engine Control (Service Specifications)
    • Firing Order & Cylinder Identification
  • System
    • Engine Control System (Diagnostic Codes (P0365-U0293) & Circuit Tests)
    • Engine Control System (Diagnostic Tests (P0010-P0354)
    • Engine Control System (Diagnostics - Introduction)
  • Testing & Diagnosis
    • Engine Control System (Diagnostic Codes (P0365-U0293) & Circuit Tests)
    • Engine Control System (Diagnostic Tests (P0010-P0354)
    • Engine Control System (Diagnostics - Introduction)
  • Tune-Up
    • Ignition (Inspection)
    • Ignition (Preparation)
    • Ignition (Service Information)
    • Ignition (Service Specifications)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • OBD-II Drive Cycles
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Hoist/Jack
    • Introduction
  • Identification
    • CANADIAN Model Cross-Reference
    • Introduction
    • LEXUS Engine Code Identification
    • Model Code Identification
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • Introduction
    • Standard Bolt (General Information)
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure (No. 1)
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Towing
    • Introduction
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Air Conditioning (Diagnostic Codes & Circuit Tests)
    • Air Conditioning (Diagnostics - Introduction)
    • Air Conditioning (Preparation)
    • Air Conditioning (Service Information)
    • Air Conditioning (Service Specifications)
• Hybrid/Electric Powertrain
  • Battery Management Systems
    • Hybrid Battery Control (Diagnostic Codes (P0A1F-123-U029A-123)
    • Hybrid Battery Control (Diagnostics - Introduction)
    • Hybrid Battery Control (Preparation)
    • Hybrid Battery Control (Service Information)
    • Hybrid Battery Control (Service Specifications)
  • Electric Converters and Controllers
    • Hybrid Vehicle Control (Service Information)
  • Testing and Diagnosis
    • Hybrid Service Disable Procedures
    • Hybrid Vehicle Control (Diagnostic Codes (P0338-885-P0A0F-238)
    • Hybrid Vehicle Control (Diagnostic Codes (P0A10-263-P0A78-287)
    • Hybrid Vehicle Control (Diagnostic Codes (P0A78-306-P0A90-251)
    • Hybrid Vehicle Control (Diagnostic Codes (P0A90-509-P0AE0-228)
    • Hybrid Vehicle Control (Diagnostic Codes (P0AE2-161-U0424-537)
    • Hybrid Vehicle Control (Diagnostics - Introduction)
    • Hybrid Vehicle Control (Preparation)
    • Hybrid Vehicle Control (Service Specifications)
• Maintenance
  • Procedures
    • Maintenance
    • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Occupant Classification System (Diagnostic Codes)
    • Occupant Classification System (Diagnostics - Introduction)
    • Pre-Collision (Diagnostic Codes & Circuit Tests)
    • Pre-Collision (Diagnostics - Introduction)
    • Pre-Collision (Preparation)
    • Pre-Collision (Service Information)
    • Supplemental Restraint System (Diagnostic Codes & Symptom Tests)
    • Supplemental Restraint System (Diagnostics - Introduction)
    • Supplemental Restraint System (Preparation)
    • Supplemental Restraint System (Service Information)
    • Supplemental Restraint System (Service Specifications)
  • Restraints Control Systems
    • Seat Belt (Preparation)
    • Seat Belt (Service Information)
    • Seat Belt (Service Specifications)
    • Seat Belt Warning System (Diagnostics)
  • Seat Belts
    • Seat Belt (Preparation)
    • Seat Belt (Service Information)
    • Seat Belt (Service Specifications)
    • Seat Belt Warning System (Diagnostics)
• Steering
  • Manual Steering
    • Power Steering (Diagnostic Codes & Circuit Tests)
    • Power Steering (Diagnostics - Introduction)
    • Power Steering (Preparation)
    • Power Steering (Service Specifications)
    • Steering (Inspection)
    • Steering (Service Information)
    • Variable Gear Ratio Steering (Diagnostic Codes & Symptom Tests)
    • Variable Gear Ratio Steering (Diagnostics - Introduction)
  • Power Steering
    • Power Steering (Diagnostic Codes & Circuit Tests)
    • Power Steering (Diagnostics - Introduction)
    • Power Steering (Preparation)
    • Power Steering (Service Specifications)
    • Steering (Inspection)
    • Steering (Service Information)
    • Variable Gear Ratio Steering (Diagnostic Codes & Symptom Tests)
    • Variable Gear Ratio Steering (Diagnostics - Introduction)
  • Steering Column
    • Power Tilt & Telescopic Steering Column (Diagnostic Codes & Circuit Tests)
    • Power Tilt & Telescopic Steering Column (Diagnostics - Introduction)
    • Steering Column (Preparation)
    • Steering Column (Service Information)
    • Steering Column (Service Specifications)
    • Steering Lock (Diagnostic Codes & Circuit Tests)
    • Steering Lock (Diagnostics - Introduction)
• Suspension
  • Electronic Suspension
    • Active Stabilizer Suspension (Diagnostic Codes & Symptom Tests)
    • Active Stabilizer Suspension (Diagnostics - Introduction)
    • Adaptive Variable Suspension (Diagnostic Codes & Symptom Tests)
    • Adaptive Variable Suspension (Diagnostics - Introduction)
    • Suspension Control (Preparation)
    • Suspension Control (Service Information)
    • Suspension Control (Service Specifications)
  • Front Suspension
    • Axle Hubs & Steering Knuckle (Service Information)
    • Axle Hubs & Steering Knuckle (Service Specifications)
    • Suspension (Inspection)
    • Suspension (Preparation)
    • Suspension (Service Information)
    • Suspension (Service Specifications)
  • Rear Suspension
    • Axle Hubs & Steering Knuckle (Service Information)
    • Axle Hubs & Steering Knuckle (Service Specifications)
    • Suspension (Inspection)
    • Suspension (Preparation)
    • Suspension (Service Information)
    • Suspension (Service Specifications)
  • Wheel Alignment
    • Suspension (Service Information)
    • Suspension (Service Specifications)
  • Wheels & Tire System
    • Tire & Wheel (Inspection)
    • Tire & Wheel (Preparation)
    • Tire & Wheel (Service Information)
    • Tire & Wheel (Service Specifications)
    • Tire Pressure Warning (Diagnostic Codes & Circuit Tests)
    • Tire Pressure Warning (Diagnostics - Introduction)
• Transmission
  • Automatic Trans
    • Hybrid Transaxle (Inspection)
    • Hybrid Transaxle (Preparation)
    • Hybrid Transaxle (Service Information)
    • Hybrid Transmission (Service Specifications)
    • Shift Lock (Inspection)
• External Pages