Prelude L4-1958cc DOHC (1989): Powertrain Management

Also for this vehicle: Prelude L4-1829cc 1800 ES,ET (1983), Prelude L4-1955cc 2000 (1987), 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 L4-2056cc DOHC (1990), 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

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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 Management116 pages
  - Relays and Modules - Computers and Control Systems76 pages
    Body Control Module › Component Information › Locations2
    Engine Control Module › Component Information37 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…33
    Description and Operation › General System Description2 3
    Main Relay (Computer/Fuel System) › Component Information37 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…33
    Testing and Inspection › Main Relay Harness Test2 3
  - Relays and Modules - Fuel Delivery and Air Induction › Main Relay (Computer/Fuel System) › Component Information37 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…33
    Testing and Inspection › Main Relay Harness Test2 3
  - Relays and Modules - Ignition System › Igniter <--> [Ignition Control Module] › Component Information › Locations2 3
- Sensors and Switches - Powertrain Management70 pages
- Tune-up and Engine Performance Checks41 pages
- Computers and Control Systems296 pages
  - A/C Signal › Component Information3 pages
    Description and Operation
    Testing and Inspection › A/C Compressor Clutch Cut Signal2
  - Intake Air Temperature Sensor › Component Information › Specifications2 3 4
  - Fast Idle Valve <--> [Auxiliary Air Valve (Idle Speed)] › Component Information › Specifications2 3 4 5
  - Atmospheric Pressure (PA) Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications › Electrical Specifications2
  - 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 › Specifications › Electrical Specifications2
  - Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
  - EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations2
  - Engine Control Module › Component Information37 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…33
    Description and Operation › General System Description2 3
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Specifications › Mechanical Specifications2
  - Idle Up Control Valve › Component Information › Locations
  - Main Relay (Computer/Fuel System) › Component Information37 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…33
    Testing and Inspection › Main Relay Harness Test2 3
  - Check Engine/PGM-FI Warning Lamp <--> [Malfunction Indicator Lamp] › Component Information › Testing and Inspection
  - Manifold Pressure/Vacuum Sensor › Component Information › Specifications › Electrical Specifications2
  - Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information5 pages
    Specifications
    Locations › Oxygen Sensor A2 3 4
  - Power Steering Pressure Switch › Component Information › Locations2
  - Relays and Modules - Computers and Control Systems76 pages
    Body Control Module › Component Information › Locations2
    Engine Control Module › Component Information37 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…33
    Description and Operation › General System Description2 3
    Main Relay (Computer/Fuel System) › Component Information37 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…33
    Testing and Inspection › Main Relay Harness Test2 3
  - Sensors and Switches - Computers and Control Systems61 pages
    Atmospheric Pressure (PA) Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications › Electrical Specifications2
    Camshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
    Crankshaft Position Sensor › Component Information › Technical Service Bulletins › TDC/Crank Sensor - Replacement
    EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations2
    Intake Air Temperature Sensor › Component Information › Specifications2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Specifications › Electrical Specifications2
    Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information5 pages
    Specifications
    Locations › Oxygen Sensor A2 3 4
    Power Steering Pressure Switch › Component Information › Locations2
    Throttle Position Sensor › Component Information › Specifications2 3 4
    Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
    Vacuum Switch › Component Information › Locations
    Speed Pulser <--> [Vehicle Speed Sensor] › 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…33
  - Throttle Position Sensor › Component Information › Specifications2 3 4
  - Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
  - Vacuum Switch › Component Information › Locations
  - Speed Pulser <--> [Vehicle Speed Sensor] › 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…33
  - Alternator FR Signal <--> [Voltage Signal] › Component Information8 pages
    Description and Operation › Alternator FR Signal2 3
    Testing and Inspection › A/T Shift Position Signal2 3 4 5
- Emission Control Systems50 pages
  - Catalytic Converter › Component Information › Service Precautions2 3
  - Evaporative Emissions System › Canister Purge Solenoid › Component Information35 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…33
  - Exhaust Gas Recirculation7 pages
    EGR Control Solenoid Valve <--> [EGR Control Solenoid] › Component Information › Testing and Inspection2 3
    EGR Valve › Component Information › Locations2
    EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations2
  - Positive Crankcase Ventilation › Component Information › Diagrams2 3
  - Sensors and Switches - Emission Control Systems › EGR Valve Lift Sensor <--> [EGR Valve Position Sensor] › Component Information › Locations2
- Fuel Delivery and Air Induction184 pages
  - Fuel Pressure › System Information › Technical Service Bulletins › Tools - New Fuel Pressure Gauge and Replacement Parts2
  - Idle Speed › System Information4 pages
    Specifications
    Adjustments › Equipment Hookup & Adjustment Procedures2 3
  - Air/Fuel Mixture › System Information › Specifications2
  - Starting Air Valve › Component Information › Locations2
  - Air Cleaner Housing › Component Information › Locations2 3
  - Fast Idle Valve <--> [Auxiliary Air Valve (Idle Speed)] › Component Information › Specifications2 3 4 5
  - Fuel › Component Information › Specifications
  - Fuel Filler Cap › Component Information › Locations2
  - Fuel Filter › Component Information › Locations2 3
  - Fuel Injector › Fuel Injector Resistor › Component Information36 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…33
  - Fuel Pressure Regulator › Component Information › Specifications2 3 4 5 6
  - 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 › Locations2 3
  - Fuel Shut-off Solenoid › Component Information › Specifications
  - Fuel Supply Line › Component Information › Locations2
  - Fuel Tank5 pages
    Fuel Gauge Sender › Component Information › Locations2
    Two-Way Valve <--> [Fuel Tank Pressure Release Valve] › Component Information › Locations2 3
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Specifications › Mechanical Specifications2
  - 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 Information37 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…33
    Testing and Inspection › Main Relay Harness Test2 3
  - Relays and Modules - Fuel Delivery and Air Induction › Main Relay (Computer/Fuel System) › Component Information37 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…33
    Testing and Inspection › Main Relay Harness Test2 3
  - Resonator, Intake Air › Component Information › Locations
  - Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information › Specifications2 3 4
  - Throttle Body › Component Information › Specifications2 3 4 5
  - Throttle Cable/Linkage › Component Information › Specifications2 3 4 5
  - Throttle Position Sensor › Component Information › Specifications2 3 4
  - Variable Induction System5 pages
    Bypass Control Solenoid Valve <--> [Variable Induction Control Actuator] › Component Information › Locations2
    Variable Induction Control Solenoid › Component Information › Testing and Inspection2 3
- Ignition System41 pages
- Transmission Control Systems43 pages
  - Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › 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…33
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T4 pages
    Automatic Transaxle Control Unit <--> [Control Module, A/T] › Component Information › Locations2
    Shift Interlock Control Module › Component Information › Locations2
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T6 pages
    Transmission Mode Switch, A/T › Component Information › Description and Operation
    Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
    Transmission Speed Sensor, A/T › Component Information › Locations2 3
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