Cherokee 2WD L4-150 2.5L VIN H TBI (1988): Powertrain Management

Also for this vehicle: Cherokee 2WD L4-126 2.1L DSL Turbo VIN B FI (1986), Cherokee 2WD L4-150 2.5L VIN E TBI (1989), Cherokee 2WD L4-150 2.5L VIN P MFI (1991), Cherokee 2WD L4-150 2.5L VIN U 1-bbl (1985), Cherokee 2WD L6-242 4.0L VIN L FI (1990), Cherokee 2WD L6-242 4.0L VIN M FI (1987), Cherokee 2WD L6-242 4.0L VIN S MFI (1992), Cherokee 2WD L6-4.0L VIN S (1998), Cherokee 2WD LHD L6-4.0L VIN S (2001), Cherokee 2WD V6-173 2.8L VIN W 2-bbl (1986), Cherokee 4WD L4-126 2.1L DSL Turbo VIN B FI (1985), Cherokee 4WD L4-150 2.5L VIN E TBI (1989), Cherokee 4WD L4-150 2.5L VIN H TBI (1986), Cherokee 4WD L4-150 2.5L VIN P MFI (1991), Cherokee 4WD L6-242 4.0L VIN L FI (1990), Cherokee 4WD L6-242 4.0L VIN M FI (1988), Cherokee 4WD L6-242 4.0L VIN S MFI (1992), Cherokee 4WD L6-4.0L VIN S (1998), Cherokee 4WD LHD L6-4.0L VIN S (2001), Cherokee 4WD V6-173 2.8L VIN W 2-bbl (1985), Cherokee L4-150 2.5L VIN U 1-bbl (1984), Cherokee L6-258 4.2L VIN C 2-bbl (1983), Cherokee V8-360 5.9L VIN N 2-bbl (1982).

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 Management29 pages
  - Relays and Modules - Computers and Control Systems16 pages
    Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
    Powertrain Control Module <--> [Engine Control Module] › Component Information11 pages
    Technical Service Bulletins6 pages
    All Technical Service Bulletins for Powertrain Control Module: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Customer Interest for Powertrain Control Module: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3
    Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
    Oxygen Sensor Relay › Component Information › Locations
  - Relays and Modules - Fuel Delivery and Air Induction8 pages
    Choke Relay › Component Information › Locations
    Fuel Pump Relay › Component Information › Locations2 3 4 5
    Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information5 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Description and Operation › Ignition Control Module (ICM)2
- Sensors and Switches - Powertrain Management73 pages
  - Sensors and Switches - Computers and Control Systems44 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Component Locations2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2
    Engine Speed Sensor › Component Information › Locations › Engine Speed Sensor2 3
    Intake Air Temperature Sensor › Component Information › Locations › Component Locations2
    Manifold Pressure/Vacuum Sensor › Component Information › Specifications2 3 4
    Oxygen Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Power Steering Pressure Switch › Component Information › Locations2
    Throttle Full Close Switch › Component Information › Locations2 3
    Wide Open Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information12 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Customer Interest for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Diagrams › Diagram Information and Instructions2
    Adjustments › Automatic Transmission2
    Distance Sensor <--> [Vehicle Speed Sensor] › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Sensors and Switches - Fuel Delivery and Air Induction17 pages
    Throttle Full Close Switch › Component Information › Locations2 3
    Wide Open Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information12 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Customer Interest for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Diagrams › Diagram Information and Instructions2
    Adjustments › Automatic Transmission2
  - Sensors and Switches - Ignition System12 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › With Tilt2 3 4 5 6
- Tune-up and Engine Performance Checks18 pages
- Computers and Control Systems134 pages
  - A/C Signal › Component Information › Description and Operation
  - Intake Air Temperature Sensor › Component Information › Locations › Component Locations2
  - Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
  - Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Component Locations2
  - Cranking Signal › Component Information › Description and Operation
  - Crankshaft Position Sensor › Component Information4 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2
  - Data Link Connector › Component Information › Locations2
  - Powertrain Control Module <--> [Engine Control Module] › Component Information11 pages
    Technical Service Bulletins6 pages
    All Technical Service Bulletins for Powertrain Control Module: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Customer Interest for Powertrain Control Module: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3
  - Engine Speed Sensor › Component Information › Locations › Engine Speed Sensor2 3
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2 3 4 5 6
  - Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
  - Manifold Pressure/Vacuum Sensor › Component Information › Specifications2 3 4
  - Mixture Control Solenoid › Component Information › Specifications
  - Oxygen Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Oxygen Sensor Relay › Component Information › Locations
  - Power Steering Pressure Switch › Component Information › Locations2
  - Relays and Modules - Computers and Control Systems16 pages
    Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
    Powertrain Control Module <--> [Engine Control Module] › Component Information11 pages
    Technical Service Bulletins6 pages
    All Technical Service Bulletins for Powertrain Control Module: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Customer Interest for Powertrain Control Module: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3
    Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
    Oxygen Sensor Relay › Component Information › Locations
  - Sensors and Switches - Computers and Control Systems44 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Component Locations2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2
    Engine Speed Sensor › Component Information › Locations › Engine Speed Sensor2 3
    Intake Air Temperature Sensor › Component Information › Locations › Component Locations2
    Manifold Pressure/Vacuum Sensor › Component Information › Specifications2 3 4
    Oxygen Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Power Steering Pressure Switch › Component Information › Locations2
    Throttle Full Close Switch › Component Information › Locations2 3
    Wide Open Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information12 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Customer Interest for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Diagrams › Diagram Information and Instructions2
    Adjustments › Automatic Transmission2
    Distance Sensor <--> [Vehicle Speed Sensor] › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Shift Light › Component Information › Description and Operation2
  - Throttle Full Close Switch › Component Information › Locations2 3
  - Wide Open Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations2
  - Throttle Position Sensor › Component Information12 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Customer Interest for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Diagrams › Diagram Information and Instructions2
    Adjustments › Automatic Transmission2
  - Distance Sensor <--> [Vehicle Speed Sensor] › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Voltage Signal › Component Information › Description and Operation
- Emission Control Systems20 pages
- Fuel Delivery and Air Induction110 pages
  - Fuel Pressure › System Information › Specifications
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information › Technical Service Bulletins6 pages
    All Technical Service Bulletins for Idle Speed: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
    Customer Interest for Idle Speed: › 185189 › Mar › 89 › ECU - Low Idle Speed Vibration2 3
  - Air/Fuel Mixture › System Information › Adjustments
  - Accelerator Pedal › Component Information › Technical Service Bulletins2 pages
    All Technical Service Bulletins for Accelerator Pedal: › NHTSA97I002000 › Apr › 97 › Recall 97I002000: Accelerator/Brake Pedal Misapplication
    Recalls for Accelerator Pedal: › NHTSA97I002000 › Apr › 97 › Recall 97I002000: Accelerator/Brake Pedal Misapplication
  - Carburetor › Choke Relay › Component Information › Locations
  - Fillpipe Restrictor › Component Information › Description and Operation
  - Fuel › Component Information › Specifications
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector › Component Information7 pages
    Specifications2 3 4
    Service and Repair › Fuel Injector Cleaning Procedure2 3
  - Fuel Pressure Regulator › Component Information › Locations2 3 4
  - Fuel Pump6 pages
    Fuel Pressure › System Information › Specifications
    Fuel Pump Relay › Component Information › Locations2 3 4 5
  - Fuel Return Line › Component Information6 pages
    Locations2
    Service and Repair › Fuel Tank/Lines/Filler2 3 4
  - Fuel Supply Line › Component Information6 pages
    Locations2
    Service and Repair › Fuel Fittings2 3 4
  - Fuel Tank8 pages
    Fuel Filler Hose › Component Information › Locations
    Fuel Gauge Sender › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Fuel Gauge Sender: › 145289 › Aug › 89 › Fuel Gauge - Inaccurate reading2
    Customer Interest for Fuel Gauge Sender: › 145289 › Aug › 89 › Fuel Gauge - Inaccurate reading2
    Fuel Tank Pressure Release Valve › Component Information › Locations2 3
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2 3 4 5 6
  - Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction8 pages
    Choke Relay › Component Information › Locations
    Fuel Pump Relay › Component Information › Locations2 3 4 5
    Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations2
  - Rollover/Pressure Relief Valve <--> [Rollover Valve, Fuel Tank] › Component Information › Locations2 3
  - Sensors and Switches - Fuel Delivery and Air Induction17 pages
    Throttle Full Close Switch › Component Information › Locations2 3
    Wide Open Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information12 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Customer Interest for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Diagrams › Diagram Information and Instructions2
    Adjustments › Automatic Transmission2
  - Throttle Body › Component Information › Locations2 3 4
  - Accelerator Cable <--> [Throttle Cable/Linkage] › Component Information › Service and Repair
  - Throttle Full Close Switch › Component Information › Locations2 3
  - Wide Open Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations2
  - Throttle Position Sensor › Component Information12 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Customer Interest for Throttle Position Sensor: › 185488 › Oct › 88 › Throttle Position Sensor - Sluggish Engine Response2 3 4
    Diagrams › Diagram Information and Instructions2
    Adjustments › Automatic Transmission2
- Ignition System38 pages
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Diagrams
  - Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
  - Crankshaft Position Sensor › Component Information4 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2
  - Distributor, Ignition › Component Information › Service and Repair2 3
  - Ignition Coil › Component Information › Specifications2
  - Ignition Control Module › Component Information5 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Description and Operation › Ignition Control Module (ICM)2
  - Pick-Up Coil, Ignition › Component Information › Specifications
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information5 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Description and Operation › Ignition Control Module (ICM)2
  - Sensors and Switches - Ignition System12 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › With Tilt2 3 4 5 6
  - Spark Plug › Component Information › Specifications
- Transmission Control Systems17 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Torque Converter Clutch Solenoid, A/T › Component Information › Testing and Inspection › Shudder After Lockup Engagement2 3 4 5
  - Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - Transfer Case › Four Wheel Drive Indicator Lamp › Component Information › Locations2
  - Sensors and Switches - Transmission and Drivetrain10 pages
    Sensors and Switches - A/T › Transmission Speed Sensor, A/T › Component Information8 pages
    Technical Service Bulletins › A/T - Service Manual Update2 3 4 5 6
    Service and Repair › Speed Sensor2
    Sensors and Switches - M/T › Gear Sensor/Switch, M/T › Component Information › Locations › 4th Gear Switch2
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