Repair and Diagnosis

You are viewing the "split tree" of links. The tree is cut off at a certain depth to keep the page loading fast, but you may have to click multiple links to get to the content you want.
View "full tree" with all links on one page (will load slowly, but easier to use ctrl-f to search all pages)

Expand All (for easy ctrl-f) Collapse All

• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • Component Connector End Views - Index
    • Component Connector End Views (A7 - B52F LGW/LGX)
    • Component Connector End Views (B306M - K8A)
    • Component Connector End Views (B52F LTA - B306L)
    • Component Connector End Views (K111 - M10)
    • Component Connector End Views (K20 X1 - K40D X2)
    • Component Connector End Views (K40D X3 - K99)
    • Component Connector End Views (K9 - K20 X3 LGX)
    • Component Connector End Views (M68 - Q17D)
    • Component Connector End Views (Q17D - T2SR X1)
    • Component Connector End Views (T2SR X3 - X92B)
    • Component Connector End Views, Schematic Wiring Diagrams, Wiring Harness Routing And Component Locations - Miscellaneous
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X103 - X160)
    • Inline Harness Connector End Views (X161 - X219)
    • Inline Harness Connector End Views (X220 - X339)
    • Inline Harness Connector End Views (X350 - X500)
    • Inline Harness Connector End Views (X505 - X920)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Accessories Control Systems
    • Active Noise Cancellation
    • Power Outlets
  • Anti-Theft Systems
    • Immobilizer System
    • Remote Functions System
    • Theft Deterrent System
    • Vehicle Access System
  • Body Interior
    • Secondary And Configurable Customer Controls
    • Vehicle Access System
  • Collision/Avoidance
    • Driver Assistance Systems
    • Driver Monitoring System
    • Image Display Cameras
    • Parking Assistance Systems
    • Pedestrian Protection System
  • Communication Devices
    • Data Communications - Description And Operation - Data Link Communications Description And Operation
    • Data Communications - Diagnostic Information And Procedures (1 Of 2)
    • Data Communications - Diagnostic Information And Procedures (2 Of 2)
    • Data Communications - Repair Instructions
    • Data Communications - Schematic Wiring Diagrams
    • Data Communications - Special Tools And Equipment - Special Tools
    • Data Communications - Specifications - Fastener Specifications
    • Programming And Setup
  • Cruise Control Systems
  • Drivers Assistance Systems - ADAS
    • Driver Assistance Systems
    • Driver Monitoring System
    • Image Display Cameras
    • Parking Assistance Systems
    • Pedestrian Protection System
  • Entertainment Systems
    • Active Noise Cancellation
    • Cellular, Entertainment, And Navigation - Description And Operation
    • Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures
    • Cellular, Entertainment, And Navigation - Repair Instructions
    • Cellular, Entertainment, And Navigation - Schematic Wiring Diagrams
    • Cellular, Entertainment, And Navigation - Special Tools And Equipment
    • Cellular, Entertainment, And Navigation - Specifications - Fastener Specifications
    • Image Display Cameras
  • Exterior Lights
    • Lighting - Diagnostic Information And Procedures
    • Lighting System - Description And Operation
    • Lighting System - Repair Instructions
    • Lighting System - Schematic Wiring Diagrams
    • Lighting System - Specifications - Fastener Specifications
  • Gauges & Instrument Panels
    • Displays And Gauges
    • Instrument Panel And Console Trim
  • Headlights
    • Lighting - Diagnostic Information And Procedures
    • Lighting System - Description And Operation
    • Lighting System - Repair Instructions
    • Lighting System - Schematic Wiring Diagrams
    • Lighting System - Specifications - Fastener Specifications
  • Heated Glass/Defoggers
    • Fixed And MOVEABLE Windows
  • Horns And Pedestrian Alert System
  • Ignition Switch/Steering Lock
    • Immobilizer System
  • Infotainment
    • Active Noise Cancellation
    • Cellular, Entertainment, And Navigation - Description And Operation
    • Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures
    • Cellular, Entertainment, And Navigation - Repair Instructions
    • Cellular, Entertainment, And Navigation - Schematic Wiring Diagrams
    • Cellular, Entertainment, And Navigation - Special Tools And Equipment
    • Cellular, Entertainment, And Navigation - Specifications - Fastener Specifications
    • Image Display Cameras
  • Interior/Exterior Trim
    • Bolted Exterior Body Panels And Closures
    • Exterior Trim
    • Floor Coverings And HEADLININGS
    • Instrument Panel And Console Trim
    • Interior Trim
    • Seat Hardware, Trim, And Upholstery
  • Interior/Illumination Lights
    • Lighting - Diagnostic Information And Procedures
    • Lighting System - Description And Operation
    • Lighting System - Repair Instructions
    • Lighting System - Schematic Wiring Diagrams
    • Lighting System - Specifications - Fastener Specifications
  • Mirrors
  • Seats
    • Power Seats
    • Seat Hardware, Trim, And Upholstery
    • Seat Heating And Cooling System
  • Steering Column Switches
    • Secondary And Configurable Customer Controls
  • Warning Systems
    • Tire Pressure Monitoring System
  • Window Motors & Regulators
    • Fixed And MOVEABLE Windows
  • Wiper/Washer Systems
    • Wiper System And Washer System
• Body & Frame
  • Body, Cab Control Systems
    • Secondary And Configurable Customer Controls
    • Vehicle Access System
  • Door Locks
    • Immobilizer System
    • Remote Functions System
    • Theft Deterrent System
    • Vehicle Access System
  • Exterior Body Panels
    • Air/Wind Noise
    • Bolted Exterior Body Panels And Closures
    • Bumpers And Fascias
    • Squeaks And Rattles
    • Water Leaks
  • Exterior/Interior Trim
    • Bolted Exterior Body Panels And Closures
    • Exterior Trim
    • Floor Coverings And HEADLININGS
    • Instrument Panel And Console Trim
    • Interior Trim
    • Seat Hardware, Trim, And Upholstery
  • Frames, Subframes & Crossmembers
    • Frame And Underbody
  • Ignition Switch/Steering Lock
    • Immobilizer System
  • Mirrors
  • Seats
    • Power Seats
    • Seat Hardware, Trim, And Upholstery
    • Seat Heating And Cooling System
  • Sun Roof/T-Top/Convertible Top
    • Sunroof
  • Fixed And MOVEABLE Windows
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System
  • Mechanical - Hydraulic
    • Disc Brakes
    • Hydraulic Brakes
  • Parking Brake System
  • Traction Control
    • Antilock Brake System
• Drivelines & Axles
  • Axle Shafts
    • Wheel Drive Shafts
  • Differentials & Drive Axles
    • Front Drive Axle
    • Rear Drive Axle
  • Driveshaft & Universal Joints
    • Propeller Shaft
• Electrical
  • Body Electrical
    • Component Connector End Views - Index
    • Component Connector End Views (A7 - B52F LGW/LGX)
    • Component Connector End Views (B306M - K8A)
    • Component Connector End Views (B52F LTA - B306L)
    • Component Connector End Views (K111 - M10)
    • Component Connector End Views (K20 X1 - K40D X2)
    • Component Connector End Views (K40D X3 - K99)
    • Component Connector End Views (K9 - K20 X3 LGX)
    • Component Connector End Views (M68 - Q17D)
    • Component Connector End Views (Q17D - T2SR X1)
    • Component Connector End Views (T2SR X3 - X92B)
    • Component Connector End Views, Schematic Wiring Diagrams, Wiring Harness Routing And Component Locations - Miscellaneous
    • Component Locations - Door Component Views
    • Component Locations - Electrical Center Identification Views (1 Of 2)
    • Component Locations - Electrical Center Identification Views (2 Of 2)
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X103 - X160)
    • Inline Harness Connector End Views (X161 - X219)
    • Inline Harness Connector End Views (X220 - X339)
    • Inline Harness Connector End Views (X350 - X500)
    • Inline Harness Connector End Views (X505 - X920)
    • Wiring Systems And Power Management - Description And Operation
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - Electrical Schematic Symbols
    • Wiring Systems And Power Management - Ground Distribution Schematics
    • Wiring Systems And Power Management - Harness Routing Views
    • Wiring Systems And Power Management - How To Use Electrical Schematics
    • Wiring Systems And Power Management - Master Electrical Schematic Icons
    • Wiring Systems And Power Management - Power Distribution Schematics
    • Wiring Systems And Power Management - Power MODING Schematics
    • Wiring Systems And Power Management - Repair Instructions
    • Wiring Systems And Power Management - Schematic And Routing Diagrams - Vehicle Zoning Strategy
    • Wiring Systems And Power Management - Schematics RPO Code List
    • Wiring Systems And Power Management - Special Tools And Equipment
    • Wiring Systems And Power Management - Specifications
  • Charging Systems
    • Battery, Charging System And Starting System
  • Component Locations
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
  • Fuses & Circuit Breakers
    • Component Locations - Electrical Center Identification Views (1 Of 2)
    • Component Locations - Electrical Center Identification Views (2 Of 2)
    • Component Locations - Master Electrical Component List
  • Gauges
    • Displays And Gauges
    • Instrument Panel And Console Trim
  • Horns And Pedestrian Alert System
  • Motors, Switches, Relays
    • Component Connector End Views - Index
    • Component Connector End Views (A7 - B52F LGW/LGX)
    • Component Connector End Views (B306M - K8A)
    • Component Connector End Views (B52F LTA - B306L)
    • Component Connector End Views (K111 - M10)
    • Component Connector End Views (K20 X1 - K40D X2)
    • Component Connector End Views (K40D X3 - K99)
    • Component Connector End Views (K9 - K20 X3 LGX)
    • Component Connector End Views (M68 - Q17D)
    • Component Connector End Views (Q17D - T2SR X1)
    • Component Connector End Views (T2SR X3 - X92B)
    • Component Connector End Views, Schematic Wiring Diagrams, Wiring Harness Routing And Component Locations - Miscellaneous
    • Component Locations - Door Component Views
    • Component Locations - Electrical Center Identification Views (1 Of 2)
    • Component Locations - Electrical Center Identification Views (2 Of 2)
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X103 - X160)
    • Inline Harness Connector End Views (X161 - X219)
    • Inline Harness Connector End Views (X220 - X339)
    • Inline Harness Connector End Views (X350 - X500)
    • Inline Harness Connector End Views (X505 - X920)
    • Wiring Systems And Power Management - Description And Operation
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - Electrical Schematic Symbols
    • Wiring Systems And Power Management - Ground Distribution Schematics
    • Wiring Systems And Power Management - Harness Routing Views
    • Wiring Systems And Power Management - How To Use Electrical Schematics
    • Wiring Systems And Power Management - Master Electrical Schematic Icons
    • Wiring Systems And Power Management - Power Distribution Schematics
    • Wiring Systems And Power Management - Power MODING Schematics
    • Wiring Systems And Power Management - Repair Instructions
    • Wiring Systems And Power Management - Schematic And Routing Diagrams - Vehicle Zoning Strategy
    • Wiring Systems And Power Management - Schematics RPO Code List
    • Wiring Systems And Power Management - Special Tools And Equipment
    • Wiring Systems And Power Management - Specifications
  • Starter
    • Battery, Charging System And Starting System
  • Wiring Diagrams
    • Component Connector End Views - Index
    • Component Connector End Views (A7 - B52F LGW/LGX)
    • Component Connector End Views (B306M - K8A)
    • Component Connector End Views (B52F LTA - B306L)
    • Component Connector End Views (K111 - M10)
    • Component Connector End Views (K20 X1 - K40D X2)
    • Component Connector End Views (K40D X3 - K99)
    • Component Connector End Views (K9 - K20 X3 LGX)
    • Component Connector End Views (M68 - Q17D)
    • Component Connector End Views (Q17D - T2SR X1)
    • Component Connector End Views (T2SR X3 - X92B)
    • Component Connector End Views, Schematic Wiring Diagrams, Wiring Harness Routing And Component Locations - Miscellaneous
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X103 - X160)
    • Inline Harness Connector End Views (X161 - X219)
    • Inline Harness Connector End Views (X220 - X339)
    • Inline Harness Connector End Views (X350 - X500)
    • Inline Harness Connector End Views (X505 - X920)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Cooling System (Mechanical)
    • Engine Heating And Cooling System
  • Exhaust System
  • Lubrication System
    • Maintenance And Lubrication
  • Engine Mechanical - 4.2L (LTA)
  • Starter
    • Battery, Charging System And Starting System
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Data Communications - Diagnostic Information And Procedures (1 Of 2)
    • Engine Controls And Fuel - 4.2L (LTA) - Description And Operation
    • Engine Controls And Fuel - 4.2L (LTA) - Diagnostic Information And Procedures ( P0446-P349F) And Symptoms
    • Engine Controls And Fuel - 4.2L (LTA) - Diagnostic Information And Procedures (P000A-P04DF)
    • Engine Controls And Fuel - 4.2L (LTA) - Repair Instructions
    • Engine Controls And Fuel - 4.2L (LTA) - Schematic Wiring Diagrams
    • Engine Controls And Fuel - 4.2L (LTA) - Special Tools And Equipment
    • Engine Controls And Fuel - 4.2L (LTA) - Specifications
  • Testing & Diagnosis
    • Data Communications - Diagnostic Information And Procedures (1 Of 2)
    • Engine Controls And Fuel - 4.2L (LTA) - Description And Operation
    • Engine Controls And Fuel - 4.2L (LTA) - Diagnostic Information And Procedures ( P0446-P349F) And Symptoms
    • Engine Controls And Fuel - 4.2L (LTA) - Diagnostic Information And Procedures (P000A-P04DF)
    • Engine Controls And Fuel - 4.2L (LTA) - Repair Instructions
    • Engine Controls And Fuel - 4.2L (LTA) - Schematic Wiring Diagrams
    • Engine Controls And Fuel - 4.2L (LTA) - Special Tools And Equipment
    • Engine Controls And Fuel - 4.2L (LTA) - 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
  • 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
    • General Information
  • Identification
    • CANADIAN Model Cross-Reference
    • General Information
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • Dangers, Warnings, And Cautions
    • General Information
    • Special Tools
    • Vehicle Diagnostic Information - Description And Operation - Proactive Alerts Description And Operation
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Diagnostic Procedure Instructions
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Diagnostic Repair Verification
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Diagnostic Starting Point - Vehicle
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Diagnostic System Check - Vehicle
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Diagnostic System Check Instructions
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Diagnostic Trouble Code (DTC) List - Vehicle
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Engine Cranks But Does Not Run
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Engine Does Not Crank
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Inspection/Maintenance System Check
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Powertrain Diagnostic Trouble Code (DTC) Type Definitions
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Proactive Alerts List
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Strategy Based Diagnosis
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Symptom Byte List
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures - Symptoms - Vehicle
    • Vehicle Diagnostic Information - Specifications (1 Of 2)
    • Vehicle Diagnostic Information - Specifications (2 Of 2)
    • Vibration Diagnosis And Correction
  • Reset Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Programming And Setup
    • Tire Pressure Monitor Systems - Sedan
  • RPO Codes
    • General Information
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • HVAC Control Systems
    • Heating, Ventilation, And Air Conditioning System
    • HVAC - Automatic
• Maintenance
  • Procedures
    • Maintenance And Lubrication
• Restraints
  • Air Bag, SRS
    • Supplemental Restraints System
  • Restraints Control Systems
    • Seat Belts
  • Seat Belts
• Steering
  • Electronic Steering
    • Rear Wheel Steering
  • Manual Steering
    • Power Steering System
  • Power Steering System
  • Steering Column
    • Steering Wheel And Column
  • Steering Control Systems
    • Steering Wheel And Column
• Suspension
  • Electronic Suspension Control System
  • Front Suspension
    • Front Suspension
    • Suspension General Diagnosis
  • Rear Suspension
    • Rear Suspension
    • Suspension General Diagnosis
  • Wheel Alignment
    • CADILLAC Wheel Alignment Specifications - Ct6
    • Wheel Alignment
  • Wheels & Tire System
    • Tire Pressure Monitoring System
    • Tires And Wheels
• Transmission
  • Automatic Trans
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Component Locator
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Description And Operation
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Diagnostic Information And Procedures
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Repair Instructions - Off Vehicle
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Repair Instructions - On Vehicle
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Schematic Wiring Diagrams
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Special Tools And Equipment - Special Tools
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Specifications
    • Electronic Transmission Range Select
    • Transmission Cooling System
  • Hydraulic Diagrams
    • Automatic Transmission - 10L80 (MHS) Or 10L90 (MHW) - Description And Operation
  • Transfer Case - Mp 3713G
• External Pages