Caravan L4-153 2.5L SOHC (1989): Powertrain Management

Also for this vehicle: Caravan AWD V6-201 3.3L (1991), Caravan AWD V6-3.8L VIN L (2003), Caravan FWD L4-153 2.5L SOHC (1992), Caravan FWD L4-2.4L VIN B (1998), Caravan FWD L4-2.4L VIN X (1997), Caravan FWD V6-181 3.0L SOHC (1991), Caravan FWD V6-201 3.3L (1992), Caravan FWD V6-201 3.3L VIN R MFI (1997), Caravan FWD V6-3.3L VIN 3 Flex Fuel (2001), Caravan FWD V6-3.3L VIN G Flex Fuel (1997), Caravan FWD V6-3.3L VIN R (2001), Caravan FWD V6-3.8L VIN L (1999), Caravan L4-134 2.2L VIN C 2-bbl (1984), Caravan L4-153 2.5L SOHC VIN K FI (1987), Caravan L4-156 2.6L VIN G 2-bbl (1985), Caravan L4-2.4L VIN B (2003), Caravan V6-181 3.0L SOHC (1989), Caravan V6-181 3.0L SOHC VIN 3 FI (1987), Caravan V6-181 3.0L VIN 3 FI (1988), Caravan V6-201 3.3L (1995), Caravan V6-229 3.8L (1996), Caravan V6-3.3L VIN R (2003).

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.

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 Management27 pages
  - Relays and Modules - Computers and Control Systems18 pages
    Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
    Engine Control Module › Component Information9 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5
    Description and Operation › General Operation2
    Main Relay (Computer/Fuel System) › Component Information6 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2
    Testing and Inspection › Auto Shutdown (ASD) Relay2
    Polarity Protection Relay, ECM › Component Information › Locations
  - Relays and Modules - Fuel Delivery and Air Induction7 pages
    Fuel Pump Relay › Component Information › Locations
    Main Relay (Computer/Fuel System) › Component Information6 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2
    Testing and Inspection › Auto Shutdown (ASD) Relay2
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions2
- Sensors and Switches - Powertrain Management85 pages
  - Sensors and Switches - Computers and Control Systems61 pages
    Absolute Pressure Sensor › Component Information › Technical Service Bulletins8 pages
    Customer Interest for Absolute Pressure Sensor:4 pages
    181091 › Aug › 91 › MAP Sensor - MIL ON/DTC's 13/14 Set2 3
    180390 › Jan › 90 › MAP Sensor - DTC's 13 or 14 Set
    All Technical Service Bulletins for Absolute Pressure Sensor:4 pages
    181091 › Aug › 91 › MAP Sensor - MIL ON/DTC's 13/14 Set2 3
    180390 › Jan › 90 › MAP Sensor - DTC's 13 or 14 Set
    Barometric Pressure Sensor › Component Information › Locations
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
    Crankshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Ignition Hall Effect Sensor › Component Information › Locations2
    Intake Air Temperature Sensor › Component Information › Specifications2
    Manifold Pressure/Vacuum Sensor › Component Information3 pages
    Specifications
    Locations › Component Locations2
    Oxygen Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Throttle Body Temperature Sensor › Component Information › Specifications2 3 4
    Throttle Position Sensor › Component Information8 pages
    Technical Service Bulletins › EFI Diagnosis - Manual Revision, TPS Volts High2 3 4 5 6
    Diagrams › Diagram Information and Instructions2
    Transmission Position Switch/Sensor, A/T › Component Information21 pages
    Technical Service Bulletins14 pages
    Customer Interest: › 21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Technical Service Bulletins for Transmission Position Switch/Sensor:7 pages
    21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Other Service Bulletins for Transmission Position Switch/Sensor: › 21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    Locations › Transmission Solenoid and Pressure Switch Assembly2 3 4
    Diagrams › PRNDL Switch2
    Description and Operation › Sensor, Transmission Range (TRS)
    Vehicle Speed Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Sensors and Switches - Fuel Delivery and Air Induction12 pages
    Throttle Body Temperature Sensor › Component Information › Specifications2 3 4
    Throttle Position Sensor › Component Information8 pages
    Technical Service Bulletins › EFI Diagnosis - Manual Revision, TPS Volts High2 3 4 5 6
    Diagrams › Diagram Information and Instructions2
  - Sensors and Switches - Ignition System12 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Crankshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Hall Effect Sensor, Ignition › Component Information › Locations2 3
    Ignition Hall Effect Sensor › Component Information › Locations2
    Ignition Switch › Component Information › Locations2 3
- Tune-up and Engine Performance Checks22 pages
  - Fuel Pressure › System Information3 pages
    Specifications
    System Diagnosis › Fuel Pressure Leak Down Test2
  - Air/Fuel Mixture › System Information › Adjustments
  - Idle Speed › System Information › Specifications2 3
  - Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Air Filter Element: › 090490 › Jun › 90 › Air Cleaner Housing - Has Oil Leaking From it2 3
    All Technical Service Bulletins for Air Filter Element: › 090490 › Jun › 90 › Air Cleaner Housing - Has Oil Leaking From it2 3
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Diagrams
  - Distributor, Ignition › Component Information › Service and Repair
  - Spark Plug › Component Information › Specifications
  - Compression Check › System Information › Specifications
  - Valve Clearance › System Information › Specifications2
- Computers and Control Systems162 pages
  - Absolute Pressure Sensor › Component Information › Technical Service Bulletins8 pages
    Customer Interest for Absolute Pressure Sensor:4 pages
    181091 › Aug › 91 › MAP Sensor - MIL ON/DTC's 13/14 Set2 3
    180390 › Jan › 90 › MAP Sensor - DTC's 13 or 14 Set
    All Technical Service Bulletins for Absolute Pressure Sensor:4 pages
    181091 › Aug › 91 › MAP Sensor - MIL ON/DTC's 13/14 Set2 3
    180390 › Jan › 90 › MAP Sensor - DTC's 13 or 14 Set
  - Intake Air Temperature Sensor › Component Information › Specifications2
  - Barometric Pressure Sensor › Component Information › Locations
  - 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 Information › Specifications › Electrical Specifications2
  - Crankshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
  - Data Link Connector › Component Information › Locations
  - Engine Control Module › Component Information9 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5
    Description and Operation › General Operation2
  - Ignition Hall Effect Sensor › Component Information › Locations2
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2
  - Main Relay (Computer/Fuel System) › Component Information6 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2
    Testing and Inspection › Auto Shutdown (ASD) Relay2
  - Malfunction Indicator Lamp › Malfunction Indicator Lamp Driver Module › Component Information › Locations
  - Manifold Pressure/Vacuum Sensor › Component Information3 pages
    Specifications
    Locations › Component Locations2
  - Oxygen Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Relays and Modules - Computers and Control Systems18 pages
    Body Control Module › Component Information › Diagrams › Diagram Information and Instructions2
    Engine Control Module › Component Information9 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5
    Description and Operation › General Operation2
    Main Relay (Computer/Fuel System) › Component Information6 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2
    Testing and Inspection › Auto Shutdown (ASD) Relay2
    Polarity Protection Relay, ECM › Component Information › Locations
  - Polarity Protection Relay, ECM › Component Information › Locations
  - Sensors and Switches - Computers and Control Systems61 pages
    Absolute Pressure Sensor › Component Information › Technical Service Bulletins8 pages
    Customer Interest for Absolute Pressure Sensor:4 pages
    181091 › Aug › 91 › MAP Sensor - MIL ON/DTC's 13/14 Set2 3
    180390 › Jan › 90 › MAP Sensor - DTC's 13 or 14 Set
    All Technical Service Bulletins for Absolute Pressure Sensor:4 pages
    181091 › Aug › 91 › MAP Sensor - MIL ON/DTC's 13/14 Set2 3
    180390 › Jan › 90 › MAP Sensor - DTC's 13 or 14 Set
    Barometric Pressure Sensor › Component Information › Locations
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
    Crankshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Ignition Hall Effect Sensor › Component Information › Locations2
    Intake Air Temperature Sensor › Component Information › Specifications2
    Manifold Pressure/Vacuum Sensor › Component Information3 pages
    Specifications
    Locations › Component Locations2
    Oxygen Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
    Throttle Body Temperature Sensor › Component Information › Specifications2 3 4
    Throttle Position Sensor › Component Information8 pages
    Technical Service Bulletins › EFI Diagnosis - Manual Revision, TPS Volts High2 3 4 5 6
    Diagrams › Diagram Information and Instructions2
    Transmission Position Switch/Sensor, A/T › Component Information21 pages
    Technical Service Bulletins14 pages
    Customer Interest: › 21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Technical Service Bulletins for Transmission Position Switch/Sensor:7 pages
    21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Other Service Bulletins for Transmission Position Switch/Sensor: › 21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    Locations › Transmission Solenoid and Pressure Switch Assembly2 3 4
    Diagrams › PRNDL Switch2
    Description and Operation › Sensor, Transmission Range (TRS)
    Vehicle Speed Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
  - Throttle Body Temperature Sensor › Component Information › Specifications2 3 4
  - Throttle Position Sensor › Component Information8 pages
    Technical Service Bulletins › EFI Diagnosis - Manual Revision, TPS Volts High2 3 4 5 6
    Diagrams › Diagram Information and Instructions2
  - Transmission Position Switch/Sensor, A/T › Component Information21 pages
    Technical Service Bulletins14 pages
    Customer Interest: › 21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Technical Service Bulletins for Transmission Position Switch/Sensor:7 pages
    21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Other Service Bulletins for Transmission Position Switch/Sensor: › 21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    Locations › Transmission Solenoid and Pressure Switch Assembly2 3 4
    Diagrams › PRNDL Switch2
    Description and Operation › Sensor, Transmission Range (TRS)
  - Vehicle Speed Sensor › Component Information3 pages
    Locations
    Diagrams › Diagram Information and Instructions2
- Emission Control Systems22 pages
  - Air Injection › System Information › Adjustments
  - Catalytic Converter › Component Information › Service Precautions › Customer Safety Information2 3
  - Emissions Maintenance Light › Component Information › Locations2
  - Evaporative Emissions System3 pages
    Canister Purge Solenoid › Component Information › Locations2
    Evaporative Emission Control Canister › Component Information › Locations
  - Exhaust Gas Recirculation7 pages
    EGR Control Solenoid › Component Information › Locations
    EGR Valve › Component Information › Technical Service Bulletins6 pages
    Customer Interest: › 182090 › May › 90 › EGR Valve - Intermittent Rough Running At Idle2
    All Technical Service Bulletins for EGR Valve:3 pages
    182090 › May › 90 › EGR Valve - Intermittent Rough Running At Idle2
    250189 › Sep › 89 › EGR Valve - Diagnostic Procedures Revision
    All Other Service Bulletins for EGR Valve: › 250189 › Sep › 89 › EGR Valve - Diagnostic Procedures Revision
  - Fillpipe Restrictor › Component Information › Description and Operation
  - Positive Crankcase Ventilation › Component Information › Locations2 3 4
  - Thermostatic Air Cleaner › Thermostatic Air Cleaner Vacuum Switch › Component Information › Locations
- Fuel Delivery and Air Induction95 pages
  - Fuel Pressure › System Information3 pages
    Specifications
    System Diagnosis › Fuel Pressure Leak Down Test2
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information › Specifications2 3
  - Air/Fuel Mixture › System Information › Adjustments
  - Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Air Filter Element: › 090490 › Jun › 90 › Air Cleaner Housing - Has Oil Leaking From it2 3
    All Technical Service Bulletins for Air Filter Element: › 090490 › Jun › 90 › Air Cleaner Housing - Has Oil Leaking From it2 3
  - Fillpipe Restrictor › Component Information › Description and Operation
  - Fuel › Component Information › Specifications
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector › Component Information6 pages
    Locations2 3
    Service and Repair › Fuel Injector Cleaning Procedure2 3
  - Fuel Pressure Regulator › Component Information › Locations2 3
  - Fuel Pump4 pages
    Fuel Pressure › System Information3 pages
    Specifications
    System Diagnosis › Fuel Pressure Leak Down Test2
    Fuel Pump Relay › Component Information › Locations
  - Fuel Reservoir › Component Information › Description and Operation
  - Fuel Return Line › Component Information › Locations2
  - Fuel Supply Line › Component Information › Locations2
  - Fuel Tank5 pages
    Fuel Filler Hose › Component Information › Locations
    Fuel Gauge Sender › Component Information › Locations2
    Fuel Tank Pressure Release Valve › Component Information › Locations2
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2
  - Main Relay (Computer/Fuel System) › Component Information6 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2
    Testing and Inspection › Auto Shutdown (ASD) Relay2
  - Relays and Modules - Fuel Delivery and Air Induction7 pages
    Fuel Pump Relay › Component Information › Locations
    Main Relay (Computer/Fuel System) › Component Information6 pages
    Locations › Component Locations2
    Diagrams › Diagram Information and Instructions2
    Testing and Inspection › Auto Shutdown (ASD) Relay2
  - Rollover Valve, Fuel Tank › Component Information › Locations2
  - Sensors and Switches - Fuel Delivery and Air Induction12 pages
    Throttle Body Temperature Sensor › Component Information › Specifications2 3 4
    Throttle Position Sensor › Component Information8 pages
    Technical Service Bulletins › EFI Diagnosis - Manual Revision, TPS Volts High2 3 4 5 6
    Diagrams › Diagram Information and Instructions2
  - Throttle Body › Throttle Body Temperature Sensor › Component Information › Specifications2 3 4
  - Throttle Cable/Linkage › Component Information › Service and Repair2
  - Throttle Position Sensor › Component Information8 pages
    Technical Service Bulletins › EFI Diagnosis - Manual Revision, TPS Volts High2 3 4 5 6
    Diagrams › Diagram Information and Instructions2
  - Turbocharger12 pages
    Wastegate Control Stepper Motor › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Wastegate Control Stepper Motor: › 181089 › Aug › 89 › Wastegate Solenoid - Momentary Loss of Engine Power2
    All Technical Service Bulletins for Wastegate Control Stepper Motor: › 181089 › Aug › 89 › Wastegate Solenoid - Momentary Loss of Engine Power2
    Wastegate Solenoid › Component Information › Technical Service Bulletins8 pages
    Customer Interest for Wastegate Solenoid:4 pages
    180490 › Feb › 90 › Wastegate Solenoid - Low Power At Full Throttle2
    181089 › Aug › 89 › Wastegate Solenoid - Momentary Loss of Engine Power2
    All Technical Service Bulletins for Wastegate Solenoid:4 pages
    180490 › Feb › 90 › Wastegate Solenoid - Low Power At Full Throttle2
    181089 › Aug › 89 › Wastegate Solenoid - Momentary Loss of Engine Power2
- Ignition System30 pages
- Transmission Control Systems82 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T14 pages
    Shift Solenoid, A/T › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Shift Solenoid: › 211096 › Jul › 96 › A/T - Ratcheting Sound When Coming To Stop2
    All Technical Service Bulletins for Shift Solenoid: › 211096 › Jul › 96 › A/T - Ratcheting Sound When Coming To Stop2
    Torque Converter Clutch Solenoid, A/T › Component Information10 pages
    Technical Service Bulletins8 pages
    Customer Interest for Torque Converter Clutch Solenoid: › 180290 › Feb › 90 › Converter Lock Up Solenoid - Bucking/Surging2 3 4
    All Technical Service Bulletins for Torque Converter Clutch Solenoid: › 180290 › Feb › 90 › Converter Lock Up Solenoid - Bucking/Surging2 3 4
    Locations › Component Locations2
  - Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › Component Information › Technical Service Bulletins5 pages
    Recalls: › 273T › Jan › 89 › Recall - Shift Indicator Light2
    All Technical Service Bulletins: › 273T › Jan › 89 › Recall - Shift Indicator Light2
    All Other Service Bulletins for Shift Indicator: › NHTSA91V053000 › Apr › 91 › Recall 91V053000: Seat Belt Buckle Straps May Fatigue
    All Other Service Bulletins for Shift Indicator: › NHTSA91V053000 › Apr › 91 › Recall 91V053000: Seat Belt Buckle Straps May Fatigue
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T30 pages
    Control Module, A/T › Component Information29 pages
    Technical Service Bulletins26 pages
    Customer Interest:9 pages
    182495 › Jun › 95 › A/T - Poor Shift Quality2 3 4 5 6 7
    211290 › Apr › 90 › A/T - A604 Excessive Upshifting/Downshifting2
    All Technical Service Bulletins for Control Module:13 pages
    182495 › Jun › 95 › A/T - Poor Shift Quality2 3 4 5 6 7
    211290 › Apr › 90 › A/T - A604 Excessive Upshifting/Downshifting2
    210889 › Apr › 89 › A/T Reaction Shaft Support - Revision2 3 4
    All Other Service Bulletins for Control Module: › 210889 › Apr › 89 › A/T Reaction Shaft Support - Revision2 3 4
    Locations › Transmission Control Module2 3
    Transmission Control System Relay, A/T › Component Information › Diagrams
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T33 pages
    Transmission Position Switch/Sensor, A/T › Component Information21 pages
    Technical Service Bulletins14 pages
    Customer Interest: › 21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Technical Service Bulletins for Transmission Position Switch/Sensor:7 pages
    21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Other Service Bulletins for Transmission Position Switch/Sensor: › 21-04-99 › Feb › 99 › Transmission Range Sensor - Production Change2 3
    Locations › Transmission Solenoid and Pressure Switch Assembly2 3 4
    Diagrams › PRNDL Switch2
    Description and Operation › Sensor, Transmission Range (TRS)
    Transmission Speed Sensor, A/T › Component Information › Technical Service Bulletins12 pages
    Customer Interest for Transmission Speed Sensor:6 pages
    21-06-99 › Apr › 99 › Speed Sensor - Intermittent Loss of Cruise Control2
    21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
    All Technical Service Bulletins for Transmission Speed Sensor:6 pages
    21-06-99 › Apr › 99 › Speed Sensor - Intermittent Loss of Cruise Control2
    21-07-98 › Apr › 98 › A/T - 41TE/AE 42LE Delayed Gear Engagement2 3 4
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