LS V8-3.9L VIN A (2003): Powertrain Management

Also for this vehicle: LS V6-3.0L DOHC VIN S (2000).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

01Diagnostic Trouble Codes (DTC)Diagnostic Trouble Codes (DTC): Sections
02Relays and Modules Relays and Modules: Sections
03Sensors and Switches Sensors and Switches: Sections
04Maintenance Maintenance: Sections
05Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
06Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management128 pages
  - Relays and Modules - Computers and Control Systems60 pages
    Electronic Throttle Control Module › Component Information › Locations2 3 4
    Engine Control Module › Component Information12 pages
    Technical Service Bulletins › Engine Controls - General PCM Programming Procedures2 3
    Diagrams › Connector Views2 3 4 5 6
    Service and Repair › Flash Electrically Eraseable Programmable Read Only Memory2 3
    Main Relay (Computer/Fuel System) › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
    Oxygen Sensor Relay › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Relays and Modules - Fuel Delivery and Air Induction45 pages
    Fuel Pump Relay › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
    Main Relay (Computer/Fuel System) › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Relays and Modules - Ignition System › Ignition Relay › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
- Sensors and Switches - Powertrain Management118 pages
  - Sensors and Switches - Computers and Control Systems80 pages
    Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - MAF Sensor Diagnostic Service Tip2 3 4
    Brake Pressure Switch › Component Information › Locations2
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Crankshaft Position Sensor › Component Information › Locations2 3 4
    Engine Temperature Sensor › Component Information › Locations2 3
    Fuel Pressure Sensor › Component Information › Service Precautions2
    Knock Sensor › Component Information4 pages
    Locations2
    Diagrams › Knock Sensor 12
    Oil Temperature Sensor For ECM › Component Information › Locations2
    Oxygen Sensor › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
    Power Steering Pressure Switch › Component Information › Locations2 3 4
    Pressure Feedback Exhaust Sensor, EGR › Component Information › Locations2 3 4
    Throttle Position Sensor › Component Information › Technical Service Bulletins10 pages
    All Technical Service Bulletins: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    Customer Interest: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    All Other Service Bulletins for Throttle Position Sensor: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    All Other Service Bulletins for Throttle Position Sensor: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON
    Transmission Position Switch/Sensor, A/T › Component Information › Specifications2 3 4 5 6 7 8 9 10 11 12 13
  - Sensors and Switches - Emission Control Systems › Pressure Feedback Exhaust Sensor, EGR › Component Information › Locations2 3 4
  - Sensors and Switches - Fuel Delivery and Air Induction19 pages
    Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - MAF Sensor Diagnostic Service Tip2 3 4
    Fuel Pressure Sensor/Switch › Component Information5 pages
    Locations › Fuel Rail Pressure Transducer Sensor2 3
    Diagrams › Fuel Rail Pressure Transducer Sensor2
    Fuel Temperature Sensor › Component Information › Locations2
    Inertia Fuel Shutoff Switch › Component Information4 pages
    Locations2
    Description and Operation › Gasoline Fuel System2
    Throttle Position Sensor › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    Customer Interest for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
  - Sensors and Switches - Ignition System15 pages
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Crankshaft Position Sensor › Component Information › Locations2 3 4
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair2
    Knock Sensor › Component Information4 pages
    Locations2
    Diagrams › Knock Sensor 12
- Tune-up and Engine Performance Checks20 pages
- Computers and Control Systems514 pages
  - Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - MAF Sensor Diagnostic Service Tip2 3 4
  - Brake Signal › Brake Pressure Switch › Component Information › Locations2
  - Camshaft Position Sensor › Component Information › Locations2 3 4 5
  - Computers and Control Circuit Diode › Component Information › Diagrams
  - Crankshaft Position Sensor › Component Information › Locations2 3 4
  - Data Link Connector › Component Information28 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…27
  - Electronic Throttle Actuator › Component Information › Diagrams
  - Electronic Throttle Control Module › Component Information › Locations2 3 4
  - Engine Control Module › Component Information12 pages
    Technical Service Bulletins › Engine Controls - General PCM Programming Procedures2 3
    Diagrams › Connector Views2 3 4 5 6
    Service and Repair › Flash Electrically Eraseable Programmable Read Only Memory2 3
  - Engine Temperature Sensor › Component Information › Locations2 3
  - Fuel Pressure Sensor › Component Information › Service Precautions2
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Description and Operation2
  - Information Bus › Component Information209 pages
    Specifications › General Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…26
    Description and Operation › Module Configuration2 3 4 5
    Testing and Inspection › Diagnostic Trouble Code Descriptions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…167
    Service and Repair › Front Electronic Module (FEM)2 3 4 5 6 7 8 9
  - Knock Sensor › Component Information4 pages
    Locations2
    Diagrams › Knock Sensor 12
  - Main Relay (Computer/Fuel System) › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Malfunction Indicator Lamp › Component Information › Description and Operation
  - Oil Temperature Sensor For ECM › Component Information › Locations2
  - Oxygen Sensor › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  - Oxygen Sensor Relay › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Power Steering Pressure Switch › Component Information › Locations2 3 4
  - Pressure Feedback Exhaust Sensor, EGR › Component Information › Locations2 3 4
  - Relays and Modules - Computers and Control Systems60 pages
    Electronic Throttle Control Module › Component Information › Locations2 3 4
    Engine Control Module › Component Information12 pages
    Technical Service Bulletins › Engine Controls - General PCM Programming Procedures2 3
    Diagrams › Connector Views2 3 4 5 6
    Service and Repair › Flash Electrically Eraseable Programmable Read Only Memory2 3
    Main Relay (Computer/Fuel System) › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
    Oxygen Sensor Relay › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Sensors and Switches - Computers and Control Systems74 pages
    Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - MAF Sensor Diagnostic Service Tip2 3 4
    Brake Pressure Switch › Component Information › Locations2
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Crankshaft Position Sensor › Component Information › Locations2 3 4
    Engine Temperature Sensor › Component Information › Locations2 3
    Fuel Pressure Sensor › Component Information › Service Precautions2
    Knock Sensor › Component Information4 pages
    Locations2
    Diagrams › Knock Sensor 12
    Oil Temperature Sensor For ECM › Component Information › Locations2
    Oxygen Sensor › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
    Power Steering Pressure Switch › Component Information › Locations2 3 4
    Pressure Feedback Exhaust Sensor, EGR › Component Information › Locations2 3 4
    Throttle Position Sensor › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    Customer Interest for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    Transmission Position Switch/Sensor, A/T › Component Information › Specifications2 3 4 5 6 7 8 9 10 11 12 13
  - Throttle Position Sensor › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    All Technical Service Bulletins for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
  - Transmission Position Switch/Sensor, A/T › Component Information › Specifications2 3 4 5 6 7 8 9 10 11 12 13
  - Variable Valve Timing Actuator › Component Information › Description and Operation2
  - Variable Valve Timing Solenoid › Component Information › Diagrams2
- Emission Control Systems42 pages
- Fuel Delivery and Air Induction235 pages
  - Fuel Pressure › Fuel Pressure Test Port › Component Information › Description and Operation
  - Fuel Pressure Release › System Information › Service Precautions2 3
  - Idle Speed › System Information › Specifications
  - Accelerator Pedal › Component Information27 pages
    Specifications2 3
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
  - Air Cleaner Housing › Component Information › Service and Repair2
  - Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - MAF Sensor Diagnostic Service Tip2 3 4
  - Fuel › Component Information › Specifications › Capacity Specifications2
  - Fuel Cut Valve Solenoid (CNG) › Component Information › Description and Operation
  - Fuel Filler Cap › Component Information14 pages
    Technical Service Bulletins12 pages
    Customer Interest for Fuel Filler Cap: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    All Technical Service Bulletins for Fuel Filler Cap: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    Description and Operation › Gasoline Fuel System2
  - Fuel Filter › Fuel Pressure Release › System Information › Service Precautions2 3
  - Fuel Injector › Fuel Injector Wiring Harness › Component Information › Service Precautions
  - Fuel Pressure Regulator › Component Information › Description and Operation › Gasoline Fuel System2
  - Fuel Pressure Sensor/Switch › Component Information5 pages
    Locations › Fuel Rail Pressure Transducer Sensor2 3
    Diagrams › Fuel Rail Pressure Transducer Sensor2
  - Fuel Pressure Test Port › Component Information › Description and Operation
  - Fuel Pressure Pulsation Damper › Component Information › Description and Operation
  - Fuel Pump24 pages
    Fuel Pressure › Fuel Pressure Test Port › Component Information › Description and Operation
    Fuel Pump Relay › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  - Fuel Rail › Component Information › Service Precautions › Technician Safety Information2
  - Fuel Shut-off Solenoid › Component Information › Description and Operation
  - Fuel Supply Line › Component Information › Description and Operation
  - Fuel Tank27 pages
    Fuel Filler Hose › Component Information14 pages
    Technical Service Bulletins12 pages
    All Technical Service Bulletins for Fuel Filler Hose: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    Customer Interest for Fuel Filler Hose: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    Service Precautions › Technician Safety Information2
    Fuel Filler Neck › Component Information › Technical Service Bulletins12 pages
    Customer Interest for Fuel Filler Neck: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    All Technical Service Bulletins for Fuel Filler Neck: › 03-20-3 › Oct › 03 › Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON2 3 4 5 6
    Fuel Gauge Sender › Component Information › Diagrams
  - Fuel Tank Unit › Component Information › Diagrams2 3 4
  - Fuel Temperature Sensor › Component Information › Locations2
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Description and Operation2
  - Inertia Fuel Shutoff Switch › Component Information4 pages
    Locations2
    Description and Operation › Gasoline Fuel System2
  - Main Relay (Computer/Fuel System) › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Relays and Modules - Fuel Delivery and Air Induction45 pages
    Fuel Pump Relay › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
    Main Relay (Computer/Fuel System) › Component Information22 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
  - Sensors and Switches - Fuel Delivery and Air Induction19 pages
    Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - MAF Sensor Diagnostic Service Tip2 3 4
    Fuel Pressure Sensor/Switch › Component Information5 pages
    Locations › Fuel Rail Pressure Transducer Sensor2 3
    Diagrams › Fuel Rail Pressure Transducer Sensor2
    Fuel Temperature Sensor › Component Information › Locations2
    Inertia Fuel Shutoff Switch › Component Information4 pages
    Locations2
    Description and Operation › Gasoline Fuel System2
    Throttle Position Sensor › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    Customer Interest for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
  - Throttle Body › Component Information › Service Precautions2 3 4 5
  - Throttle Cable/Linkage › Component Information › Specifications2 3
  - Throttle Control Actuator, Traction Control › Component Information › Service and Repair
  - Throttle Position Sensor › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    All Technical Service Bulletins for Throttle Position Sensor: › 05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
  - Variable Induction System › Variable Induction Control Solenoid › Component Information › Diagrams
- Ignition System164 pages
  - Firing Order › Component Information › Specifications2
  - Ignition Timing › Number One Cylinder › Component Information › Locations
  - Camshaft Position Sensor › Component Information › Locations2 3 4 5
  - Crankshaft Position Sensor › Component Information › Locations2 3 4
  - Ignition Coil › Component Information82 pages
    Technical Service Bulletins74 pages
    All Technical Service Bulletins for Ignition Coil:27 pages
    07M07S1 › May › 08 › Campaign - Ign. Coil/Valve Cover Gskt. Warranty Ext.2 3 4 5 6 7 8 9 10
    07N09S1 › May › 08 › Campaign - Ign. Coil Cover/Wiper Motor Brkt. Warr. Ext.2 3 4 5 6 7 8
    05-22-8 › Nov › 05 › Ignition System - Coil-On-Plug Misfire Diagnostic Tips2 3 4 5 6 7
    05-16-2 › Aug › 05 › Ignition System - Engine Misfire/DTC's Set2
    Customer Interest: › 05-16-2 › Aug › 05 › Ignition System - Engine Misfire/DTC's Set2
    Recalls:18 pages
    07M07S1 › May › 08 › Campaign - Ign. Coil/Valve Cover Gskt. Warranty Ext.2 3 4 5 6 7 8 9 10
    07N09S1 › May › 08 › Campaign - Ign. Coil Cover/Wiper Motor Brkt. Warr. Ext.2 3 4 5 6 7 8
    All Other Service Bulletins for Ignition Coil:25 pages
    07M07S1 › May › 08 › Campaign - Ign. Coil/Valve Cover Gskt. Warranty Ext.2 3 4 5 6 7 8 9 10
    07N09S1 › May › 08 › Campaign - Ign. Coil Cover/Wiper Motor Brkt. Warr. Ext.2 3 4 5 6 7 8
    05-22-8 › Nov › 05 › Ignition System - Coil-On-Plug Misfire Diagnostic Tips2 3 4 5 6 7
    All Other Service Bulletins for Ignition Coil:2 pages
    05-22-8 › Nov › 05 › Ignition System - Coil-On-Plug Misfire Diagnostic Tips
    05-16-2 › Aug › 05 › Ignition System - Engine Misfire/DTC's Set2
    Diagrams › Coil on Plug (CoP) #12 3 4 5 6 7 8
  - Ignition Relay › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  - Knock Sensor › Component Information4 pages
    Locations2
    Diagrams › Knock Sensor 12
  - Relays and Modules - Ignition System › Ignition Relay › Component Information23 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  - Sensors and Switches - Ignition System15 pages
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Crankshaft Position Sensor › Component Information › Locations2 3 4
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair2
    Knock Sensor › Component Information4 pages
    Locations2
    Diagrams › Knock Sensor 12
  - Spark Plug › Component Information › Specifications2 3 4 5
- Transmission Control Systems31 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T10 pages
    Shift Interlock Solenoid › Component Information › Service and Repair2 3 4 5
    Shift Solenoid, A/T › Component Information › Service and Repair2 3 4 5
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T21 pages
    Transmission Mode Switch, A/T › Component Information › Diagrams
    Transmission Position Switch/Sensor, A/T › Component Information › Specifications2 3 4 5 6 7 8 9 10 11 12 13
    Transmission Speed Sensor, A/T › Component Information7 pages
    Specifications
    Locations › Intermediate Shaft Speed Sensor2 3
    Diagrams › Output Shaft Speed (OSS) Sensor2 3
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins16 pages
  - All Technical Service Bulletins for PROM - Programmable Read Only Memory:8 pages
    05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    04-24-14 › Dec › 04 › Engine Controls - General PCM Programming Procedures2 3
    03-15-8 › Aug › 03 › A/T - 5R55S Harsh Shifting2 3
  - Customer Interest:5 pages
    05-14-4 › Jul › 05 › Engine Controls - MIL ON/DTC's P2106 and P2135 Set2
    03-15-8 › Aug › 03 › A/T - 5R55S Harsh Shifting2 3
  - All Other Service Bulletins for PROM - Programmable Read Only Memory: › 04-24-14 › Dec › 04 › Engine Controls - General PCM Programming Procedures2 3
07Transmission and Drivetrain Transmission and Drivetrain: Sections
08Brakes and Traction Control Brakes and Traction Control: Sections
09Starting and Charging Starting and Charging: Sections
10Power and Ground Distribution Power and Ground Distribution: Sections
11Steering and Suspension Steering and Suspension: Sections
12Heating and Air Conditioning Heating and Air Conditioning: Sections
13Restraint Systems Restraint Systems: Sections
14Accessories and Optional Equipment Accessories and Optional Equipment: Sections
15Body and Frame Body and Frame: Sections
16Cruise Control Cruise Control: Sections
17Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
18Lighting and Horns Lighting and Horns: Sections
19Windows and Glass Windows and Glass: Sections
20Wiper and Washer Systems Wiper and Washer Systems: Sections