Prelude L4-2056cc DOHC (1990): Powertrain Management
Also for this vehicle: Prelude L4-1829cc 1800 ES,ET (1983), Prelude L4-1955cc 2000 (1987), Prelude L4-1958cc DOHC (1989), Prelude L4-1958cc SOHC (1988), Prelude L4-2.2L DOHC (VTEC) (1993), Prelude L4-2.2L SOHC (1994), Prelude L4-2.3L DOHC (1992), Prelude L4-2.3L DOHC (16 Valve) (1996), Prelude L4-2157cc 2.2L DOHC (VTEC) MFI (2001), Prelude Type-SH L4-2156cc 2.2L DOHC (VTEC) MFI (1997), Prelude Type-SH L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V (1998).
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 Management16 pages
Relays and Modules - Computers and Control Systems10 pages
- Body Control Module › Component Information › Locations2
Engine Control Module › Component Information5 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations23
- Relays and Modules - Fuel Delivery and Air Induction › Main Relay (Computer/Fuel System) › Component Information › Locations23
- Relays and Modules - Ignition System › Igniter <--> [Ignition Control Module] › Component Information › Locations23
Sensors and Switches - Powertrain Management66 pages
Sensors and Switches - Computers and Control Systems58 pages
- Atmospheric Pressure (PA) Sensor <--> [Barometric Pressure Sensor] › Component Information › Locations2
- Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations23
- Intake Air Temperature Sensor › Component Information › Locations23
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2
- Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information › Locations234
- Power Steering Pressure Switch › Component Information › Locations2
- Throttle Position Sensor › Component Information › Locations2
- Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
- Vacuum Switch › Component Information › Locations
- Sensors and Switches - Emission Control Systems › EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations23
- Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information › Locations2
Sensors and Switches - Ignition System3 pages
- Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins › Starting System - Unable To Key In Ignition Switch
Tune-up and Engine Performance Checks37 pages
- Fuel Pressure › System Information › Technical Service Bulletins › Tools - New Fuel Pressure Gauge and Replacement Parts2
- Air/Fuel Mixture › System Information › Specifications2
Idle Speed › System Information4 pages
- Air Cleaner Housing › Component Information › Locations2
- Fuel Filter › Component Information › Locations23
- Firing Order › Component Information › Specifications › Firing Order2
- Spark Plug Wires <--> [Ignition Cable] › Component Information › Specifications2345
- Spark Plug › Component Information › Specifications23456
- Valve Clearance › System Information › Specifications234
Computers and Control Systems161 pages
- A/C Signal › Component Information › Testing and Inspection2
- Intake Air Temperature Sensor › Component Information › Locations23
- Fast Idle Valve <--> [Auxiliary Air Valve (Idle Speed)] › Component Information › Specifications2345
- Atmospheric Pressure (PA) Sensor <--> [Barometric Pressure Sensor] › Component Information › Locations2
- Body Control Module › Component Information › Locations2
- Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Emission Control Box <--> [Central Electronics Box] › Component Information › Locations2
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2
- Cranking Signal › Component Information › Description and Operation2
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations23
Engine Control Module › Component Information5 pages
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2
- Idle Up Control Valve › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
- Check Engine/PGM-FI Warning Lamp <--> [Malfunction Indicator Lamp] › Component Information › Description and Operation2
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2
- Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information › Locations234
- Power Steering Pressure Switch › Component Information › Locations2
Relays and Modules - Computers and Control Systems10 pages
- Body Control Module › Component Information › Locations2
Engine Control Module › Component Information5 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Sensors and Switches - Computers and Control Systems58 pages
- Atmospheric Pressure (PA) Sensor <--> [Barometric Pressure Sensor] › Component Information › Locations2
- Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Locations2
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations23
- Intake Air Temperature Sensor › Component Information › Locations23
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2
- Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information › Locations234
- Power Steering Pressure Switch › Component Information › Locations2
- Throttle Position Sensor › Component Information › Locations2
- Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
- Vacuum Switch › Component Information › Locations
- Throttle Position Sensor › Component Information › Locations2
- Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
- Vacuum Switch › Component Information › Locations
Voltage Signal › Component Information9 pages
Emission Control Systems16 pages
- Catalytic Converter › Component Information › Technical Service Bulletins › Exhaust System - Catalytic Converter Noise
- Evaporative Emissions System › Canister Purge Solenoid › Component Information › Description and Operation234
- Positive Crankcase Ventilation › Component Information › Description and Operation2
- Sensors and Switches - Emission Control Systems › EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations23
Fuel Delivery and Air Induction72 pages
- Fuel Pressure › System Information › Technical Service Bulletins › Tools - New Fuel Pressure Gauge and Replacement Parts2
Idle Speed › System Information4 pages
- Air/Fuel Mixture › System Information › Specifications2
- Starting Air Valve › Component Information › Locations23
- Air Cleaner Housing › Component Information › Locations2
- Fast Idle Valve <--> [Auxiliary Air Valve (Idle Speed)] › Component Information › Specifications2345
- Fuel › Component Information › Specifications
- Fuel Filler Cap › Component Information › Locations2
- Fuel Filter › Component Information › Locations23
- Fuel Injector › Fuel Injector Resistor › Component Information › Specifications23
- Fuel Pressure Regulator › Component Information › Specifications23456
- Fuel Pump › Fuel Pressure › System Information › Technical Service Bulletins › Tools - New Fuel Pressure Gauge and Replacement Parts2
- Fuel Rail › Component Information › Locations2
- Fuel Return Line › Component Information › Locations23
- Fuel Shut-off Solenoid › Component Information › Specifications
- Fuel Supply Line › Component Information › Locations2
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2
- Idle Up Control Valve › Component Information › Locations
- Intake Air Duct › Component Information › Locations
- Intake Air Plenum › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations23
- Relays and Modules - Fuel Delivery and Air Induction › Main Relay (Computer/Fuel System) › Component Information › Locations23
- Resonator, Intake Air › Component Information › Locations
- Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information › Locations2
- Throttle Body › Component Information › Locations234
- Throttle Cable/Linkage › Component Information › Specifications2345
- Throttle Position Sensor › Component Information › Locations2
Ignition System38 pages
- Firing Order › Component Information › Specifications › Firing Order2
- Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Spark Plug Wires <--> [Ignition Cable] › Component Information › Specifications2345
Ignition Coil › Component Information6 pages
- Igniter <--> [Ignition Control Module] › Component Information › Locations23
- Ignition Timing Connector › Component Information › Locations
- Relays and Modules - Ignition System › Igniter <--> [Ignition Control Module] › Component Information › Locations23
Sensors and Switches - Ignition System3 pages
- Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins › Starting System - Unable To Key In Ignition Switch
- Spark Plug › Component Information › Specifications23456
Transmission Control Systems41 pages
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…32
Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T4 pages
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T5 pages