Q45 V8-4130cc 4.1L DOHC MFI (VH41) (1998): Powertrain Management
Also for this vehicle: Q45 V8-4.5L (VK45DE) (2002), Q45 V8-4494cc 4.5L DOHC (VH45) (1992).
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.
Relays and Modules - Powertrain Management219 pages
Relays and Modules - Computers and Control Systems120 pages
Relays and Modules - Fuel Delivery and Air Induction98 pages
- Relays and Modules - Ignition System › Ignition Relay › Component Information › Locations
Sensors and Switches - Powertrain Management897 pages
Sensors and Switches - Computers and Control Systems581 pages
- Absolute Pressure Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…33
- Electric Load Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…35
- Engine Speed Sensor › Component Information › Description and Operation2
Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information116 pages
Throttle Position Sensor › Component Information49 pages
Transmission Position Switch/Sensor, A/T › Component Information7 pages
Sensors and Switches - Emission Control Systems67 pages
Sensors and Switches - Ignition System100 pages
Tune-up and Engine Performance Checks29 pages
- Fuel Pressure › System Information › Specifications2
- Air/Fuel Mixture › System Information › System Diagnosis2345678
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
- Ignition Timing › Number One Cylinder › Component Information › Locations
- Spark Plug › Component Information › Specifications2
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications
Computers and Control Systems1,636 pages
- Absolute Pressure Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…33
- EGR Backpressure Transducer › Component Information › Description and Operation2
- Electric Load Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…35
- Engine Speed Sensor › Component Information › Description and Operation2
- Information Bus › Component Information › Description and Operation234567891011121314151617181920…32
- Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…31
- Malfunction Indicator Lamp › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…35
Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information116 pages
Relays and Modules - Computers and Control Systems120 pages
Sensors and Switches - Computers and Control Systems581 pages
- Absolute Pressure Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…33
- Electric Load Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…35
- Engine Speed Sensor › Component Information › Description and Operation2
Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information116 pages
Throttle Position Sensor › Component Information49 pages
Transmission Position Switch/Sensor, A/T › Component Information7 pages
- BARO / MAP Sensor Switching Valve › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…29
Throttle Position Sensor › Component Information49 pages
Transmission Position Switch/Sensor, A/T › Component Information7 pages
- Variable Valve Timing Solenoid › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…30
Emission Control Systems336 pages
- Catalytic Converter › Component Information › Service and Repair › California Models234
Evaporative Emissions System194 pages
- EVAP Canister Purge Control Solenoid Valve <--> [Canister Purge Solenoid] › Component Information › Locations234
- Evaporative Check Valve › Component Information › Testing and Inspection
- Evaporative System Service Port › Component Information › Locations234
- EVAP Control System Pressure Sensor <--> [Leak Detection Sensor, Evaporative System] › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…32
- Vacuum Cut Valve Bypass Valve <--> [Leak Detection Solenoid, Evaporative System] › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…29
- Vacuum Cut Valve <--> [Leak Detection Valve, Evaporative System] › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…29
Exhaust Gas Recirculation69 pages
Positive Crankcase Ventilation2 pages
Sensors and Switches - Emission Control Systems67 pages
Fuel Delivery and Air Induction600 pages
- Fuel Pressure › System Information › Specifications2
- Fuel Pressure Release › System Information › Service and Repair
- Air/Fuel Mixture › System Information › System Diagnosis2345678
- Accelerator Pedal › Component Information › Service and Repair
- Fast Idle Cam › Component Information › Locations2
- Fuel › Component Information › Specifications
- Fuel Filler Cap › Component Information › Testing and Inspection
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
Fuel Pump69 pages
- Fuel Tank › Component Information › Specifications23
- Fuel Tank Unit › Component Information › Locations
- Tank Fuel Temperature Sensor <--> [Fuel Temperature Sensor] › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…33
- Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…31
Relays and Modules - Fuel Delivery and Air Induction98 pages
- Throttle Cable/Linkage › Component Information › Adjustments2
- Throttle Control Actuator, Traction Control › Component Information › Locations › Component Locations2
Throttle Position Sensor › Component Information49 pages
Ignition System235 pages
- Firing Order › Component Information › Specifications
- Ignition Timing › Number One Cylinder › Component Information › Locations
- Ignition Relay › Component Information › Locations
- Relays and Modules - Ignition System › Ignition Relay › Component Information › Locations
Sensors and Switches - Ignition System100 pages
- Spark Plug › Component Information › Specifications2
Transmission Control Systems112 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T18 pages
- Clutch Control Solenoid Valve, A/T › Component Information › Locations23
- Pressure Regulating Solenoid, A/T › Component Information › Description and Operation2
- Shift Interlock Solenoid › Component Information › Locations
Shift Solenoid, A/T › Component Information9 pages
- Torque Converter Clutch Solenoid, A/T › Component Information › Locations23
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…37
Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T32 pages
Control Module, A/T › Component Information › Technical Service Bulletins30 pages
- Shift Interlock Control Module › Component Information › Locations
- Transmission Position Relay, A/T › Component Information › Locations
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T25 pages
- Throttle Position Sensor/Switch, A/T › Component Information › Description and Operation2
Transmission Position Switch/Sensor, A/T › Component Information7 pages
Transmission Speed Sensor, A/T › Component Information14 pages
- A/T Fluid Temperature Sensor <--> [Transmission Temperature Sensor/Switch, A/T] › Component Information › Description and Operation2
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins › Engine Controls - ECM Programming Interruption Recovery234567891011121314151617181920…29