Cherokee 4WD L6-242 4.0L VIN L FI (1990): 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 H TBI (1988), 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 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).
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Relays and Modules - Powertrain Management34 pages
Relays and Modules - Computers and Control Systems19 pages
- Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
Powertrain Control Module <--> [Engine Control Module] › Component Information10 pages
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations23
- Oxygen Sensor Heater Relay <--> [Oxygen Sensor Relay] › Component Information › Locations234
Relays and Modules - Fuel Delivery and Air Induction10 pages
Relays and Modules - Ignition System › Ignition Control Module › Component Information5 pages
Sensors and Switches - Powertrain Management96 pages
Sensors and Switches - Computers and Control Systems63 pages
- Barometric Pressure Sensor › Component Information › Specifications
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
Coolant Temperature Sensor/Switch (For Computer) › Component Information5 pages
Crankshaft Position Sensor › Component Information6 pages
Technical Service Bulletins4 pages
- Diagrams › Diagram Information and Instructions2
- Engine Speed Sensor › Component Information › Locations
Intake Air Temperature Sensor › Component Information3 pages
- Knock Sensor › Component Information › Locations › Component Locations2
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications234
Oxygen Sensor › Component Information18 pages
Technical Service Bulletins16 pages
Recalls for Oxygen Sensor:8 pages
All Technical Service Bulletins for Oxygen Sensor:8 pages
- Diagrams › Diagram Information and Instructions2
- Power Steering Pressure Switch › Component Information › Locations
Throttle Position Sensor › Component Information17 pages
Technical Service Bulletins10 pages
Recalls for Throttle Position Sensor:5 pages
All Technical Service Bulletins for Throttle Position Sensor:5 pages
- Diagrams › Diagram Information and Instructions23
- Testing and Inspection › Automatic Transmission2
- Adjustments › Automatic Transmission2
Distance Sensor <--> [Vehicle Speed Sensor] › Component Information3 pages
Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information17 pages
Technical Service Bulletins10 pages
Recalls for Throttle Position Sensor:5 pages
All Technical Service Bulletins for Throttle Position Sensor:5 pages
- Diagrams › Diagram Information and Instructions23
- Testing and Inspection › Automatic Transmission2
- Adjustments › Automatic Transmission2
Sensors and Switches - Ignition System16 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
Crankshaft Position Sensor › Component Information6 pages
Technical Service Bulletins4 pages
- Diagrams › Diagram Information and Instructions2
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › With Tilt23456
- Knock Sensor › Component Information › Locations › Component Locations2
Tune-up and Engine Performance Checks22 pages
- Fuel Pressure › Fuel Pressure Test Port › Component Information › Locations
- Idle Speed › System Information › Adjustments
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 145191 › Oct › 91 › Air Cleaner - Contaminated With Oil2
- All Technical Service Bulletins: › 145191 › Oct › 91 › Air Cleaner - Contaminated With Oil2
- All Other Service Bulletins for Air Filter Element: › 115191 › Apr › 91 › Exhaust Manifold/Gasket - Leaks2
- All Other Service Bulletins for Air Filter Element: › 115191 › Apr › 91 › Exhaust Manifold/Gasket - Leaks
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
- Ignition Cable › Component Information › Specifications
- Distributor, Ignition › Component Information › Specifications234
- Spark Plug › Component Information › Specifications › Gap Specifications2
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Adjustments
Computers and Control Systems177 pages
- A/C Signal › Component Information › Description and Operation
Intake Air Temperature Sensor › Component Information3 pages
- Barometric Pressure Sensor › Component Information › Specifications
- 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 Information5 pages
- Cranking Signal › Component Information › Description and Operation
Crankshaft Position Sensor › Component Information6 pages
Technical Service Bulletins4 pages
- Diagrams › Diagram Information and Instructions2
- Data Link Connector › Component Information › Locations2
Powertrain Control Module <--> [Engine Control Module] › Component Information10 pages
- Engine Speed Sensor › Component Information › Locations
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2345
- Knock Sensor › Component Information › Locations › Component Locations2
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations23
- Check Engine Lamp <--> [Malfunction Indicator Lamp] › Component Information › Testing and Inspection
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications234
Oxygen Sensor › Component Information18 pages
Technical Service Bulletins16 pages
Recalls for Oxygen Sensor:8 pages
All Technical Service Bulletins for Oxygen Sensor:8 pages
- Diagrams › Diagram Information and Instructions2
- Oxygen Sensor Heater Relay <--> [Oxygen Sensor Relay] › Component Information › Locations234
- Power Steering Pressure Switch › Component Information › Locations
Relays and Modules - Computers and Control Systems19 pages
- Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
Powertrain Control Module <--> [Engine Control Module] › Component Information10 pages
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations23
- Oxygen Sensor Heater Relay <--> [Oxygen Sensor Relay] › Component Information › Locations234
Sensors and Switches - Computers and Control Systems63 pages
- Barometric Pressure Sensor › Component Information › Specifications
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
Coolant Temperature Sensor/Switch (For Computer) › Component Information5 pages
Crankshaft Position Sensor › Component Information6 pages
Technical Service Bulletins4 pages
- Diagrams › Diagram Information and Instructions2
- Engine Speed Sensor › Component Information › Locations
Intake Air Temperature Sensor › Component Information3 pages
- Knock Sensor › Component Information › Locations › Component Locations2
- Manifold Pressure/Vacuum Sensor › Component Information › Specifications234
Oxygen Sensor › Component Information18 pages
Technical Service Bulletins16 pages
Recalls for Oxygen Sensor:8 pages
All Technical Service Bulletins for Oxygen Sensor:8 pages
- Diagrams › Diagram Information and Instructions2
- Power Steering Pressure Switch › Component Information › Locations
Throttle Position Sensor › Component Information17 pages
Technical Service Bulletins10 pages
Recalls for Throttle Position Sensor:5 pages
All Technical Service Bulletins for Throttle Position Sensor:5 pages
- Diagrams › Diagram Information and Instructions23
- Testing and Inspection › Automatic Transmission2
- Adjustments › Automatic Transmission2
Distance Sensor <--> [Vehicle Speed Sensor] › Component Information3 pages
- Shift Light › Component Information › Description and Operation2
Throttle Position Sensor › Component Information17 pages
Technical Service Bulletins10 pages
Recalls for Throttle Position Sensor:5 pages
All Technical Service Bulletins for Throttle Position Sensor:5 pages
- Diagrams › Diagram Information and Instructions23
- Testing and Inspection › Automatic Transmission2
- Adjustments › Automatic Transmission2
Distance Sensor <--> [Vehicle Speed Sensor] › Component Information3 pages
- Voltage Signal › Component Information › Description and Operation
Emission Control Systems40 pages
- Catalytic Converter › Component Information › Service Precautions › Customer Safety Information23
Emissions Maintenance Light › Component Information › Technical Service Bulletins8 pages
- Evaporative Emissions System › Evaporative Emission Control Canister › Component Information › Locations
Exhaust Gas Recirculation3 pages
- Fillpipe Restrictor › Component Information › Description and Operation2
Positive Crankcase Ventilation › Component Information › Technical Service Bulletins21 pages
- Recalls: › 562 › Apr › 94 › Recall - O2 Sensor and CCV Harness2345
- Customer Interest: › 145191 › Oct › 91 › Air Cleaner - Contaminated With Oil2
All Technical Service Bulletins for Positive Crankcase Ventilation:7 pages
- All Other Service Bulletins for Positive Crankcase Ventilation: › 145191 › Oct › 91 › Air Cleaner - Contaminated With Oil2
- All Other Service Bulletins for Positive Crankcase Ventilation: › 562 › Apr › 94 › Recall - O2 Sensor and CCV Harness2345
- Thermostatic Air Cleaner › Component Information › Description and Operation2
Fuel Delivery and Air Induction142 pages
- Fuel Pressure › Fuel Pressure Test Port › Component Information › Locations
- Fuel Pressure Release › System Information › Service and Repair
- Idle Speed › System Information › Adjustments
Accelerator Pedal › Component Information › Technical Service Bulletins2 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fillpipe Restrictor › Component Information › Description and Operation2
- Fuel › Component Information › Specifications
- Fuel Filler Cap › Component Information › Specifications
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
Fuel Injector › Component Information8 pages
- Fuel Pressure Regulator › Component Information › Locations23
- Fuel Pressure Test Port › Component Information › Locations
Fuel Pressure Pulsation Damper › Component Information › Technical Service Bulletins26 pages
- Fuel Rail › Component Information › Locations23
- Fuel Return Line › Component Information › Description and Operation234
- Fuel Supply Line › Component Information › Description and Operation234
- Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2345
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations23
Relays and Modules - Fuel Delivery and Air Induction10 pages
- Rollover/Pressure Relief Valve <--> [Rollover Valve, Fuel Tank] › Component Information › Locations23
Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information17 pages
Technical Service Bulletins10 pages
Recalls for Throttle Position Sensor:5 pages
All Technical Service Bulletins for Throttle Position Sensor:5 pages
- Diagrams › Diagram Information and Instructions23
- Testing and Inspection › Automatic Transmission2
- Adjustments › Automatic Transmission2
Throttle Body › Component Information › Technical Service Bulletins6 pages
- Accelerator Cable <--> [Throttle Cable/Linkage] › Component Information › Service and Repair
Throttle Position Sensor › Component Information17 pages
Technical Service Bulletins10 pages
Recalls for Throttle Position Sensor:5 pages
All Technical Service Bulletins for Throttle Position Sensor:5 pages
- Diagrams › Diagram Information and Instructions23
- Testing and Inspection › Automatic Transmission2
- Adjustments › Automatic Transmission2
Ignition System49 pages
- Firing Order › Component Information › Specifications
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
Crankshaft Position Sensor › Component Information6 pages
Technical Service Bulletins4 pages
- Diagrams › Diagram Information and Instructions2
- Distributor, Ignition › Component Information › Specifications234
- Ignition Cable › Component Information › Specifications
- Ignition Coil › Component Information › Specifications2
Ignition Control Module › Component Information5 pages
- Knock Sensor › Component Information › Locations › Component Locations2
- Pick-Up Coil, Ignition › Component Information › Locations
Relays and Modules - Ignition System › Ignition Control Module › Component Information5 pages
Sensors and Switches - Ignition System16 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
Crankshaft Position Sensor › Component Information6 pages
Technical Service Bulletins4 pages
- Diagrams › Diagram Information and Instructions2
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › With Tilt23456
- Knock Sensor › Component Information › Locations › Component Locations2
- Spark Plug › Component Information › Specifications › Gap Specifications2
Transmission Control Systems13 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 Engagement2345
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - Transfer Case › Four Wheel Drive Indicator Lamp › Component Information › Locations › 4wd Four Wheel Drive Vacuum Switch2
- Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Control Module, A/T › Component Information › Locations23
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T3 pages