Discovery II (LT) V8-4.6L (2003): Powertrain Management

Also for this vehicle: Discovery I (LJ) V8-3.9L (1994), Discovery I (LJ) V8-4.0L (1996), Discovery II (LT) V8-4.0L (2002), Discovery Body Repair Manual (1995 on), Discovery Electrical Troubleshooting Manual (1995), Discovery Electrical Troubleshooting Manual (1996), Discovery Electrical Troubleshooting Manual (1997 on), Discovery II (NAS), Discovery II Circuit Diagrams (2000 model year), Discovery II Circuit Diagrams (2003 model year), Discovery II Electrical Library (1999-2003), Discovery II Technical Bulletins, Discovery II (UK), Discovery Technical Bulletins, 300Tdi Discovery, LR3/Disco 3, LR3 (LA) V6-4.0L (2006), LR3 (LA) V8-4.4L (2009), LR3 (LA) V8-4394cc 4.4L (2005), LR4 (LA) V8-5.0L (2010).

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

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01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management82 pages
  - Relays and Modules - Computers and Control Systems67 pages
    Body Control Module › Component Information › 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
    Engine Control Module › Component Information39 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…25
    Description and Operation › General Description2 3 4 5 6 7 8
    Testing and Inspection › C06342 3 4 5
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Relays and Modules - Fuel Delivery and Air Induction10 pages
    Fuel Pump Relay › Component Information › Locations2 3 4 5
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Relays and Modules - Ignition System › Ignition Relay › Component Information › Locations2 3 4 5
- Sensors and Switches - Powertrain Management74 pages
  - Sensors and Switches - Computers and Control Systems33 pages
    Absolute Pressure Sensor › Component Information › Description and Operation2 3 4 5
    Air Flow Meter/Sensor › Component Information › Description and Operation2 3 4 5
    Camshaft Position Sensor › Component Information › Specifications2 3
    Crankshaft Position Sensor › Component Information › Specifications2 3 4
    Knock Sensor › Component Information › Specifications2 3 4
    Oxygen Sensor › Component Information6 pages
    Specifications2 3 4
    Service and Repair › Sensor - Heated Oxygen (HO2S) - Pre-Catalytic Converter2
    Throttle Position Sensor › Component Information › Specifications2 3 4
    Transmission Position Switch/Sensor, A/T › Component Information › Specifications2
  - Sensors and Switches - Fuel Delivery and Air Induction10 pages
    Air Flow Meter/Sensor › Component Information › Description and Operation2 3 4 5
    Inertia Fuel Shutoff Switch › Component Information › Service and Repair
    Throttle Position Sensor › Component Information › Specifications2 3 4
  - Sensors and Switches - Ignition System31 pages
    Camshaft Position Sensor › Component Information › Specifications2 3
    Crankshaft Position Sensor › Component Information › Specifications2 3 4
    Ignition Switch › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
    Knock Sensor › Component Information › Specifications2 3 4
- Tune-up and Engine Performance Checks16 pages
- Computers and Control Systems226 pages
  - Absolute Pressure Sensor › Component Information › Description and Operation2 3 4 5
  - Air Flow Meter/Sensor › Component Information › Description and Operation2 3 4 5
  - Body Control Module › Component Information › 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
  - Camshaft Position Sensor › Component Information › Specifications2 3
  - Crankshaft Position Sensor › Component Information › Specifications2 3 4
  - Data Link Connector › Component Information › 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
  - Engine Control Module › Component Information39 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…25
    Description and Operation › General Description2 3 4 5 6 7 8
    Testing and Inspection › C06342 3 4 5
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Specifications2 3 4
  - Knock Sensor › Component Information › Specifications2 3 4
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Oxygen Sensor › Component Information6 pages
    Specifications2 3 4
    Service and Repair › Sensor - Heated Oxygen (HO2S) - Pre-Catalytic Converter2
  - Relays and Modules - Computers and Control Systems67 pages
    Body Control Module › Component Information › 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
    Engine Control Module › Component Information39 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…25
    Description and Operation › General Description2 3 4 5 6 7 8
    Testing and Inspection › C06342 3 4 5
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Sensors and Switches - Computers and Control Systems33 pages
    Absolute Pressure Sensor › Component Information › Description and Operation2 3 4 5
    Air Flow Meter/Sensor › Component Information › Description and Operation2 3 4 5
    Camshaft Position Sensor › Component Information › Specifications2 3
    Crankshaft Position Sensor › Component Information › Specifications2 3 4
    Knock Sensor › Component Information › Specifications2 3 4
    Oxygen Sensor › Component Information6 pages
    Specifications2 3 4
    Service and Repair › Sensor - Heated Oxygen (HO2S) - Pre-Catalytic Converter2
    Throttle Position Sensor › Component Information › Specifications2 3 4
    Transmission Position Switch/Sensor, A/T › Component Information › Specifications2
  - Throttle Position Sensor › Component Information › Specifications2 3 4
  - Transmission Position Switch/Sensor, A/T › Component Information › Specifications2
- Emission Control Systems38 pages
  - Air Injection22 pages
    Air Injection Vacuum Control Solenoid Valve › Component Information › Service and Repair
    Air Injection Control Valve › Component Information › Service and Repair
    Air Injection Hose/Tube › Component Information › Technical Service Bulletins16 pages
    Recalls: › SB143 › Nov › 03 › Campaign - SAI Hose Inspection/Replacement2 3 4
    All Technical Service Bulletins: › SB143 › Nov › 03 › Campaign - SAI Hose Inspection/Replacement2 3 4
    All Other Service Bulletins for Air Injection Hose/Tube:8 pages
    TEC700206 › Aug › 06 › Brakes - Labor Time Change for ABS Modulator2
    TEC700106 › Mar › 06 › ABS/TCS - Warning Lamp ON/DTC's Set2 3 4 5 6
    All Other Service Bulletins for Air Injection Hose/Tube:0 pages
    TEC700206 › Aug › 06 › Brakes - Labor Time Change for ABS Modulator
    TEC700106 › Mar › 06 › ABS/TCS - Warning Lamp ON/DTC's Set
    Air Injection Manifold › Component Information › Service and Repair › Air Manifold - LH - Secondary Air Injection (SAI)2
    Air Injection Pump › Component Information › Service and Repair
    Air Injection Vacuum Reservoir › Component Information › Service and Repair
  - Evaporative Emissions System14 pages
    Canister Purge Control Valve › Component Information › Service and Repair
    Canister Purge Solenoid › Component Information › Service and Repair
    Evaporative Emission Control Canister › Component Information › Service and Repair › Canister - EVAP - Models With Fuel Leak Detection Pump - From MY 20032 3
    Evaporative Shut Valve › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Evaporative Shut Valve: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    All Technical Service Bulletins for Evaporative Shut Valve: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    Leak Detection Pump, Evaporative System › Component Information › Service and Repair2
    Leak Detection Pump Filter, Evaporative System › Component Information › Service and Repair
  - Positive Crankcase Ventilation › Component Information › Description and Operation › Crankcase Emission Control System2
- Fuel Delivery and Air Induction129 pages
  - Fuel Pressure › System Information › Specifications › Fuel Pump Volume2
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information › Specifications
  - Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
  - Air Flow Meter/Sensor › Component Information › Description and Operation2 3 4 5
  - Fuel › Component Information › Specifications
  - Fuel Filler Cap › Component Information › Technical Service Bulletins18 pages
    Customer Interest: › TEC190105 › Sep › 05 › Fuel/Emissions - MIL ON/DTC's P0446/P0455 Set2
    Recalls: › SB140 › Dec › 03 › Campaign - Fuel Filler Cap/Neck Inspection/Replacement2 3 4
    All Technical Service Bulletins for Fuel Filler Cap:6 pages
    TEC190105 › Sep › 05 › Fuel/Emissions - MIL ON/DTC's P0446/P0455 Set2
    SB140 › Dec › 03 › Campaign - Fuel Filler Cap/Neck Inspection/Replacement2 3 4
    All Other Service Bulletins for Fuel Filler Cap: › TEC190105 › Sep › 05 › Fuel/Emissions - MIL ON/DTC's P0446/P0455 Set2
    All Other Service Bulletins for Fuel Filler Cap: › SB140 › Dec › 03 › Campaign - Fuel Filler Cap/Neck Inspection/Replacement2 3 4
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector › Component Information › Service and Repair2
  - Fuel Pump7 pages
    Fuel Pressure › System Information › Specifications › Fuel Pump Volume2
    Fuel Pump Relay › Component Information › Locations2 3 4 5
  - Fuel Tank39 pages
    Evaporative Shut Valve › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Evaporative Shut Valve: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    All Technical Service Bulletins for Evaporative Shut Valve: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    Fuel Filler Neck › Component Information › Technical Service Bulletins27 pages
    Recalls: › SB140 › Dec › 03 › Campaign - Fuel Filler Cap/Neck Inspection/Replacement2 3 4
    All Technical Service Bulletins for Fuel Filler Neck:9 pages
    TEC190105 › Sep › 05 › Fuel/Emissions - MIL ON/DTC's P0446/P0455 Set2
    SB140 › Dec › 03 › Campaign - Fuel Filler Cap/Neck Inspection/Replacement2 3 4
    TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    Customer Interest:5 pages
    TEC190105 › Sep › 05 › Fuel/Emissions - MIL ON/DTC's P0446/P0455 Set2
    TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    All Other Service Bulletins for Fuel Filler Neck:5 pages
    TEC190105 › Sep › 05 › Fuel/Emissions - MIL ON/DTC's P0446/P0455 Set2
    TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank2 3
    All Other Service Bulletins for Fuel Filler Neck: › SB140 › Dec › 03 › Campaign - Fuel Filler Cap/Neck Inspection/Replacement2 3 4
    Fuel Gauge Sender › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Fuel Gauge Sender: › TEC861503 › Dec › 03 › Instruments - Intermittent Fuel Gauge Operation2 3
    All Technical Service Bulletins for Fuel Gauge Sender: › TEC861503 › Dec › 03 › Instruments - Intermittent Fuel Gauge Operation2 3
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Specifications2 3 4
  - Inertia Fuel Shutoff Switch › Component Information › Service and Repair
  - Intake Air Plenum › Intake Air Plenum Gasket › Component Information › Technical Service Bulletins › Engine - Upper Intake Manifold Gasket Replacement2 3 4 5 6 7 8
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Relays and Modules - Fuel Delivery and Air Induction10 pages
    Fuel Pump Relay › Component Information › Locations2 3 4 5
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Sensors and Switches - Fuel Delivery and Air Induction10 pages
    Air Flow Meter/Sensor › Component Information › Description and Operation2 3 4 5
    Inertia Fuel Shutoff Switch › Component Information › Service and Repair
    Throttle Position Sensor › Component Information › Specifications2 3 4
  - Throttle Body › Component Information › Technical Service Bulletins6 pages
    Recalls for Throttle Body: › RB150 › Apr › 04 › Recall - Possible Throttle Body Malfunction2 3
    All Technical Service Bulletins for Throttle Body: › RB150 › Apr › 04 › Recall - Possible Throttle Body Malfunction2 3
  - Throttle Cable/Linkage › Component Information › Adjustments2 3
  - Throttle Position Sensor › Component Information › Specifications2 3 4
- Ignition System64 pages
- Transmission Control Systems26 pages
  - Actuators and Solenoids - Transmission and Drivetrain4 pages
    Actuators and Solenoids - A/T3 pages
    Pressure Regulating Solenoid, A/T › Component Information › Service and Repair
    Shift Solenoid, A/T › Component Information › Service and Repair
    Torque Converter Clutch Solenoid, A/T › Component Information › Service and Repair
    Actuators and Solenoids - Transfer Case › Transfer Case Actuator › Component Information › Service and Repair
  - Lamps and Indicators - Transmission and Drivetrain3 pages
    Lamps and Indicators - A/T2 pages
    Temperature Warning Indicator - A/T › Component Information › Description and Operation
    Transmission Mode Indicator - A/T › Component Information › Description and Operation
    Lamps and Indicators - Differential › Differential Lock Indicator › Component Information › Description and Operation
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Control Module, A/T › Component Information › Diagrams2 3 4 5 6
  - Sensors and Switches - Transmission and Drivetrain13 pages
    Sensors and Switches - A/T7 pages
    Fluid Pressure Sensor/Switch, A/T › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Fluid Pressure Sensor/Switch: › TEC440103 › Sep › 03 › A/T - Harsh, Abrupt, Jerky Shifting2
    All Technical Service Bulletins for Fluid Pressure Sensor/Switch: › TEC440103 › Sep › 03 › A/T - Harsh, Abrupt, Jerky Shifting2
    Transmission Position Switch/Sensor, A/T › Component Information › Specifications2
    Transmission Speed Sensor, A/T › Component Information › Specifications
    Sensors and Switches - Transfer Case6 pages
    Four Wheel Drive Selector Switch › Component Information › Specifications2
    Gear Sensor/Switch, Transfer Case › Component Information › Service and Repair › Sensor - Neutral2
    Temperature Sensor/Switch, Transfer Case › Component Information › Specifications2
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins8 pages
  - Recalls for PROM - Programmable Read Only Memory: › RB1672 › Mar › 05 › Recall - PROM Update for EVAP DTML Fault Codes2 3 4
  - All Technical Service Bulletins for PROM - Programmable Read Only Memory: › RB1672 › Mar › 05 › Recall - PROM Update for EVAP DTML Fault Codes2 3 4
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections