XJ (X350) V8-4.2L (2005): Powertrain Management

Also for this vehicle: XJ (X308) V8-4.0L SC (2003), XJ (X350) V8-4.2L SC (2004), XJ (X351) V8-5.0L SC (2010), XJ (X350) Factory Service Manual (2003.5-2004).

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 Management134 pages
  - Relays and Modules - Computers and Control Systems43 pages
    Body Control Module › Component Information3 pages
    Locations
    Diagrams › Front Electronic Module2
    Electronic Throttle Actuator Relay › Component Information › Locations2
    Engine Control Module › Component Information36 pages
    Technical Service Bulletins4 pages
    All Technical Service Bulletins for Engine Control Module: › JTB00188 › Apr › 10 › Engine Controls - MIL ON/DTC P1254 Set2
    Customer Interest for Engine Control Module: › JTB00188 › Apr › 10 › Engine Controls - MIL ON/DTC P1254 Set2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…29
    Description and Operation › Engine Control Module2 3
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction61 pages
    Fuel Pump Control Unit › Component Information29 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…28
    Fuel Pump Relay › Component Information30 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Relays and Modules - Ignition System › Ignition Relay › Component Information30 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
- Sensors and Switches - Powertrain Management151 pages
  - Sensors and Switches - Computers and Control Systems98 pages
    Accelerator Pedal Position Sensor › Component Information › Description and Operation
    Air Flow Meter/Sensor › Component Information5 pages
    Locations
    Description and Operation › OBD2 3 4
    Camshaft Position Sensor › Component Information15 pages
    Locations2 3
    Service and Repair › Camshaft Position (CMP) Sensor LH (18.31.12)2 3 4 5 6 7 8 9 10 11 12
    Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
    Locations2
    Description and Operation › Engine Coolant Temperature Sensor2 3 4
    Service and Repair › Vehicles With: Supercharger (18.30.10)2
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Fuel Level Sensor › Component Information4 pages
    Description and Operation
    Service and Repair › Fuel Level Sender LH - VIN Range: G45704->G999992 3
    Fuel Pressure Sensor › Component Information › Locations2
    Fuel Tank Pressure Sensor › Component Information3 pages
    Locations
    Description and Operation › Fuel Tank Pressure Sensor Circuit2
    Intake Air Temperature Sensor › Component Information3 pages
    Locations
    Description and Operation › Intake Air Temperature Sensor2
    Knock Sensor › Component Information › Locations2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information8 pages
    Locations2
    Service and Repair › Vehicles With: Supercharger (18.30.86)2 3 4 5 6
    Oil Temperature Sensor For ECM › Component Information › Locations2 3 4
    Oxygen Sensor › Component Information33 pages
    Technical Service Bulletins › Engine Controls - Removal of Seized Oxygen (O2) Sensors2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
    Service and Repair › Catalyst Monitor Sensor (18.30.66)2 3
    Throttle Position Sensor › Component Information › Locations2 3
  - Sensors and Switches - Fuel Delivery and Air Induction19 pages
    Accelerator Pedal Position Sensor › Component Information › Description and Operation
    Air Flow Meter/Sensor › Component Information5 pages
    Locations
    Description and Operation › OBD2 3 4
    Fuel Pressure Sensor/Switch › Component Information › Description and Operation
    Fuel Temperature Sensor › Component Information › Locations2 3 4
    Inertia Fuel Shutoff Switch › Component Information5 pages
    Locations2 3
    Description and Operation › VIN Range: G00442->G457032
    Throttle Position Sensor › Component Information › Locations2 3
  - Sensors and Switches - Ignition System34 pages
    Camshaft Position Sensor › Component Information15 pages
    Locations2 3
    Service and Repair › Camshaft Position (CMP) Sensor LH (18.31.12)2 3 4 5 6 7 8 9 10 11 12
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins10 pages
    All Technical Service Bulletins for Ignition Switch Lock Cylinder: › JTB00106 › Jun › 08 › Keyless Entry - Can't Lock Vehicle Using Remote Fob2 3 4 5
    Customer Interest for Ignition Switch Lock Cylinder: › JTB00106 › Jun › 08 › Keyless Entry - Can't Lock Vehicle Using Remote Fob2 3 4 5
    Knock Sensor › Component Information › Locations2 3 4
- Tune-up and Engine Performance Checks20 pages
- Computers and Control Systems364 pages
  - Accelerator Pedal Position Sensor › Component Information › Description and Operation
  - Air Flow Meter/Sensor › Component Information5 pages
    Locations
    Description and Operation › OBD2 3 4
  - Intake Air Temperature Sensor › Component Information3 pages
    Locations
    Description and Operation › Intake Air Temperature Sensor2
  - Body Control Module › Component Information3 pages
    Locations
    Diagrams › Front Electronic Module2
  - Camshaft Position Sensor › Component Information15 pages
    Locations2 3
    Service and Repair › Camshaft Position (CMP) Sensor LH (18.31.12)2 3 4 5 6 7 8 9 10 11 12
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
    Locations2
    Description and Operation › Engine Coolant Temperature Sensor2 3 4
    Service and Repair › Vehicles With: Supercharger (18.30.10)2
  - Crankshaft Position Sensor › Component Information › Locations2 3 4 5
  - Electronic Throttle Actuator Relay › Component Information › Locations2
  - Engine Control Module › Component Information36 pages
    Technical Service Bulletins4 pages
    All Technical Service Bulletins for Engine Control Module: › JTB00188 › Apr › 10 › Engine Controls - MIL ON/DTC P1254 Set2
    Customer Interest for Engine Control Module: › JTB00188 › Apr › 10 › Engine Controls - MIL ON/DTC P1254 Set2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…29
    Description and Operation › Engine Control Module2 3
  - Fuel Level Sensor › Component Information4 pages
    Description and Operation
    Service and Repair › Fuel Level Sender LH - VIN Range: G45704->G999992 3
  - Fuel Pressure Sensor › Component Information › Locations2
  - Fuel Tank Pressure Sensor › Component Information3 pages
    Locations
    Description and Operation › Fuel Tank Pressure Sensor Circuit2
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Description and Operation
  - Information Bus › Component Information78 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…39
    Description and Operation › Principles of Operation2
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…37
  - Knock Sensor › Component Information › Locations2 3 4
  - Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Manifold Pressure/Vacuum Sensor › Component Information8 pages
    Locations2
    Service and Repair › Vehicles With: Supercharger (18.30.86)2 3 4 5 6
  - Oil Temperature Sensor For ECM › Component Information › Locations2 3 4
  - Oxygen Sensor › Component Information33 pages
    Technical Service Bulletins › Engine Controls - Removal of Seized Oxygen (O2) Sensors2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
    Service and Repair › Catalyst Monitor Sensor (18.30.66)2 3
  - Relays and Modules - Computers and Control Systems43 pages
    Body Control Module › Component Information3 pages
    Locations
    Diagrams › Front Electronic Module2
    Electronic Throttle Actuator Relay › Component Information › Locations2
    Engine Control Module › Component Information36 pages
    Technical Service Bulletins4 pages
    All Technical Service Bulletins for Engine Control Module: › JTB00188 › Apr › 10 › Engine Controls - MIL ON/DTC P1254 Set2
    Customer Interest for Engine Control Module: › JTB00188 › Apr › 10 › Engine Controls - MIL ON/DTC P1254 Set2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…29
    Description and Operation › Engine Control Module2 3
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Sensors and Switches - Computers and Control Systems98 pages
    Accelerator Pedal Position Sensor › Component Information › Description and Operation
    Air Flow Meter/Sensor › Component Information5 pages
    Locations
    Description and Operation › OBD2 3 4
    Camshaft Position Sensor › Component Information15 pages
    Locations2 3
    Service and Repair › Camshaft Position (CMP) Sensor LH (18.31.12)2 3 4 5 6 7 8 9 10 11 12
    Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
    Locations2
    Description and Operation › Engine Coolant Temperature Sensor2 3 4
    Service and Repair › Vehicles With: Supercharger (18.30.10)2
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Fuel Level Sensor › Component Information4 pages
    Description and Operation
    Service and Repair › Fuel Level Sender LH - VIN Range: G45704->G999992 3
    Fuel Pressure Sensor › Component Information › Locations2
    Fuel Tank Pressure Sensor › Component Information3 pages
    Locations
    Description and Operation › Fuel Tank Pressure Sensor Circuit2
    Intake Air Temperature Sensor › Component Information3 pages
    Locations
    Description and Operation › Intake Air Temperature Sensor2
    Knock Sensor › Component Information › Locations2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information8 pages
    Locations2
    Service and Repair › Vehicles With: Supercharger (18.30.86)2 3 4 5 6
    Oil Temperature Sensor For ECM › Component Information › Locations2 3 4
    Oxygen Sensor › Component Information33 pages
    Technical Service Bulletins › Engine Controls - Removal of Seized Oxygen (O2) Sensors2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
    Service and Repair › Catalyst Monitor Sensor (18.30.66)2 3
    Throttle Position Sensor › Component Information › Locations2 3
  - Throttle Position Sensor › Component Information › Locations2 3
  - Variable Valve Timing Solenoid › Component Information › Locations2 3
- Emission Control Systems80 pages
  - Air Injection38 pages
    Air Injection Control Valve › Component Information › Service and Repair › Secondary Air Injection (Air) Control Valve2 3 4 5 6 7 8 9 10
    Air Injection Pump › 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…28
  - Evaporative Emissions System33 pages
    Canister Purge Solenoid › Component Information8 pages
    Locations2
    Service and Repair › VIN Range: G00442->G45703 (17.15.30)2 3 4 5 6
    Evaporative Emission Control Canister › Component Information23 pages
    Locations2
    Service and Repair › VIN Range: G00442->G45703 (17.15.13)2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
    Leak Detection Valve, Evaporative System › Component Information › Service and Repair2
  - Exhaust Gas Recirculation › System Information9 pages
    Description and Operation › Exhaust Gas Recirculation System Monitor2
    Service and Repair › Exhaust Gas Recirculation (EGR) Valve (17.45.01)2 3 4 5 6 7
- Fuel Delivery and Air Induction256 pages
  - Fuel Pressure › System Information › Specifications
  - Fuel Pressure Release › System Information › Service and Repair2
  - Accelerator Pedal Position Sensor › Component Information › Description and Operation
  - Air Cleaner Housing5 pages
    Air Cleaner Fresh Air Duct/Hose › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Air Cleaner Fresh Air Duct/Hose: › XJ303-08 › Jun › 05 › Engine - Rough Idle/Poor Performance/DTC's Set2
    Customer Interest for Air Cleaner Fresh Air Duct/Hose: › XJ303-08 › Jun › 05 › Engine - Rough Idle/Poor Performance/DTC's Set2
    Air Filter Element › Component Information › Service and Repair
  - Air Flow Meter/Sensor › Component Information5 pages
    Locations
    Description and Operation › OBD2 3 4
  - Fuel › Component Information › Specifications
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair2
  - Fuel Injector › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Fuel Injector: › XJ303-05 › Dec › 04 › Fuel System - Rough Idle/Hesitation/Possible MIL ON2
    Customer Interest for Fuel Injector: › XJ303-05 › Dec › 04 › Fuel System - Rough Idle/Hesitation/Possible MIL ON2
  - Fuel Line Coupler › Component Information › Service and Repair › Quick Release Coupling2 3 4 5
  - Fuel Pressure Sensor/Switch › Component Information › Description and Operation
  - Fuel Pump60 pages
    Fuel Pressure › System Information › Specifications
    Fuel Pump Control Unit › Component Information29 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…28
    Fuel Pump Relay › Component Information30 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
  - Fuel Rail › Component Information8 pages
    Locations2 3 4 5
    Service and Repair › Fuel Injection Supply Manifold (19.60.13)2 3
  - Fuel Tank36 pages
    Fuel Filler Neck › Component Information3 pages
    Locations
    Description and Operation › VIN Range: G00442->G457032
    Fuel Gauge Sender › Component Information33 pages
    Technical Service Bulletins › Fuel System - Fuel Level Sender Availability/Replacement2 3 4 5
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
  - Fuel Tank Unit › Component Information › Locations2 3
  - Fuel Temperature Sensor › Component Information › Locations2 3 4
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Description and Operation
  - Inertia Fuel Shutoff Switch › Component Information5 pages
    Locations2 3
    Description and Operation › VIN Range: G00442->G457032
  - Intake Air Duct › Component Information › Locations2
  - Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction61 pages
    Fuel Pump Control Unit › Component Information29 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…28
    Fuel Pump Relay › Component Information30 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Sensors and Switches - Fuel Delivery and Air Induction19 pages
    Accelerator Pedal Position Sensor › Component Information › Description and Operation
    Air Flow Meter/Sensor › Component Information5 pages
    Locations
    Description and Operation › OBD2 3 4
    Fuel Pressure Sensor/Switch › Component Information › Description and Operation
    Fuel Temperature Sensor › Component Information › Locations2 3 4
    Inertia Fuel Shutoff Switch › Component Information5 pages
    Locations2 3
    Description and Operation › VIN Range: G00442->G457032
    Throttle Position Sensor › Component Information › Locations2 3
  - Supercharger6 pages
    Intercooler, Supercharger › Component Information › Service and Repair
    Supercharger Coolant Pump › Component Information5 pages
    Description and Operation
    Service and Repair › Procedures2 3 4
  - Throttle Body › Component Information13 pages
    Technical Service Bulletins › Fuel System - Throttle Body Cleaning Prohibition
    Service and Repair › Throttle Body2 3 4 5 6 7 8 9 10 11 12
  - Throttle Position Sensor › Component Information › Locations2 3
  - Variable Induction System › Variable Induction Control Valve › Component Information › Locations2 3 4 5 6
- Ignition System127 pages
  - Firing Order › Component Information › Specifications
  - Ignition Timing › Number One Cylinder › Component Information › Locations
  - Camshaft Position Sensor › Component Information15 pages
    Locations2 3
    Service and Repair › Camshaft Position (CMP) Sensor LH (18.31.12)2 3 4 5 6 7 8 9 10 11 12
  - Crankshaft Position Sensor › Component Information › Locations2 3 4 5
  - Ignition Coil › Component Information › Locations2 3 4
  - Ignition Relay › Component Information30 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
  - Knock Sensor › Component Information › Locations2 3 4
  - Relays and Modules - Ignition System › Ignition Relay › Component Information30 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…28
  - Sensors and Switches - Ignition System34 pages
    Camshaft Position Sensor › Component Information15 pages
    Locations2 3
    Service and Repair › Camshaft Position (CMP) Sensor LH (18.31.12)2 3 4 5 6 7 8 9 10 11 12
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins10 pages
    All Technical Service Bulletins for Ignition Switch Lock Cylinder: › JTB00106 › Jun › 08 › Keyless Entry - Can't Lock Vehicle Using Remote Fob2 3 4 5
    Customer Interest for Ignition Switch Lock Cylinder: › JTB00106 › Jun › 08 › Keyless Entry - Can't Lock Vehicle Using Remote Fob2 3 4 5
    Knock Sensor › Component Information › Locations2 3 4
  - Spark Plug › Component Information › Specifications2 3
- Transmission Control Systems38 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Interlock Solenoid › 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…28
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Control Module, A/T › Component Information › Description and Operation2 3 4 5 6 7 8 9 10
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins30 pages
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