Diplomat L6-225 3.7L VIN H 1-bbl (1983): Powertrain Management
Also for this vehicle: Diplomat L6-225 3.7L VIN E 1-bbl (1982), Diplomat V8-318 5.2L VIN 4 2-BBL (1983), Diplomat V8-318 5.2L VIN K 2-bbl (1982), Diplomat V8-318 5.2L VIN M 4-bbl (1982), Diplomat V8-318 5.2L VIN P 2-bbl (1985), Diplomat V8-318 5.2L VIN R 4-bbl (1984), Diplomat V8-318 5.2L VIN S 4-BBL (1983).
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 Management22 pages
Relays and Modules - Computers and Control Systems12 pages
- Body Control Module › Component Information › Diagrams › Diagram Information and Instructions
Electronic Spark Control Module › Component Information5 pages
Powertrain Control Module <--> [Engine Control Module] › Component Information5 pages
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations
- Relays and Modules - Emission Control Systems › EGR Control Module › Component Information › Locations
- Relays and Modules - Fuel Delivery and Air Induction › Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations
Relays and Modules - Ignition System8 pages
Electronic Spark Control Module › Component Information5 pages
Ignition Control Module › Component Information2 pages
- Spark Control Relay › Component Information › Locations
Sensors and Switches - Powertrain Management46 pages
Sensors and Switches - Computers and Control Systems28 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
Coolant Temperature Sensor/Switch (For Computer) › Component Information7 pages
Crankshaft Position Sensor › Component Information5 pages
- Charge Temperature Sensor <--> [Intake Air Temperature Sensor] › Component Information › Description and Operation2
- Intake Air Temperature Switch › Component Information › Locations
- Knock Sensor › Component Information › Locations23
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2
Oxygen Sensor › Component Information2 pages
- Carburetor Switch <--> [Throttle Full Close Switch] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
- Throttle Position Switch › Component Information › Testing and Inspection
- Distance Sensor <--> [Vehicle Speed Sensor] › Component Information › Diagrams › Diagram Information and Instructions
Sensors and Switches - Fuel Delivery and Air Induction5 pages
- Choke Temperature Control Switch › Component Information › Locations
- Carburetor Switch <--> [Throttle Full Close Switch] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
- Throttle Position Switch › Component Information › Testing and Inspection
Sensors and Switches - Ignition System13 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
Crankshaft Position Sensor › Component Information5 pages
Ignition Switch › Component Information4 pages
- Knock Sensor › Component Information › Locations23
Tune-up and Engine Performance Checks15 pages
- Fuel Pressure › System Information › Specifications
- Air/Fuel Mixture › System Information › Adjustments › Idle Mixture and Speed Adjustments234
Idle Speed › System Information3 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Firing Order › Component Information › Specifications
- Ignition Timing › Timing Marks and Indicators › System Information › Diagrams
- Distributor, Ignition › Vacuum Advance Unit <--> [Distributor Advance Unit] › Component Information › Specifications
- Spark Plug › Component Information › Technical Service Bulletins › Spark Plug - Cleaning/Replacement Guidelines2
- Compression Check › System Information › Specifications
Computers and Control Systems84 pages
- Charge Temperature Sensor <--> [Intake Air Temperature Sensor] › Component Information › Description and Operation2
- Intake Air Temperature Switch › Component Information › Locations
- Body Control Module › Component Information › Diagrams › Diagram Information and Instructions
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
Coolant Temperature Sensor/Switch (For Computer) › Component Information7 pages
Crankshaft Position Sensor › Component Information5 pages
Electronic Spark Control Module › Component Information5 pages
Powertrain Control Module <--> [Engine Control Module] › Component Information5 pages
- Idle Speed/Throttle Actuator - Electronic › Component Information › Specifications2
- Information Bus › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
- Knock Sensor › Component Information › Locations23
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2
- Mixture Control Solenoid › Component Information › Testing and Inspection
Oxygen Sensor › Component Information2 pages
Relays and Modules - Computers and Control Systems12 pages
- Body Control Module › Component Information › Diagrams › Diagram Information and Instructions
Electronic Spark Control Module › Component Information5 pages
Powertrain Control Module <--> [Engine Control Module] › Component Information5 pages
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations
Sensors and Switches - Computers and Control Systems28 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
Coolant Temperature Sensor/Switch (For Computer) › Component Information7 pages
Crankshaft Position Sensor › Component Information5 pages
- Charge Temperature Sensor <--> [Intake Air Temperature Sensor] › Component Information › Description and Operation2
- Intake Air Temperature Switch › Component Information › Locations
- Knock Sensor › Component Information › Locations23
- Manifold Pressure/Vacuum Sensor › Component Information › Locations2
Oxygen Sensor › Component Information2 pages
- Carburetor Switch <--> [Throttle Full Close Switch] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
- Throttle Position Switch › Component Information › Testing and Inspection
- Distance Sensor <--> [Vehicle Speed Sensor] › Component Information › Diagrams › Diagram Information and Instructions
- Carburetor Switch <--> [Throttle Full Close Switch] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
- Throttle Position Switch › Component Information › Testing and Inspection
- Distance Sensor <--> [Vehicle Speed Sensor] › Component Information › Diagrams › Diagram Information and Instructions
Emission Control Systems39 pages
Air Injection14 pages
- Air Diverter Solenoid › Component Information › Locations
- Air Diverter Valve › Component Information › Description and Operation2
- Air Injection Check Valve › Component Information › Description and Operation2
- Air Injection Control Valve › Component Information › Description and Operation › Air Switching Valve (Combination Switch/Relief Valve)23
- Air Injection Filter › Component Information › Service and Repair
Air Injection Pump › Component Information4 pages
- Pulsair Valve, Secondary Air Injection › Component Information › Description and Operation
- Catalytic Converter › Component Information › Description and Operation2
Evaporative Emissions System5 pages
- Bowl Vent <--> [Bowl Vent Valve] › Component Information › Description and Operation
- Purge Control Valve <--> [Canister Purge Control Valve] › Component Information › Description and Operation
- Evaporative Check Valve › Component Information › Description and Operation
- Evaporative Emission Control Canister › Component Information › Locations2
Exhaust Gas Recirculation12 pages
- EGR Control Module › Component Information › Locations
- EGR Control Valve <--> [EGR Control Solenoid] › Component Information › Locations2
EGR Valve › Component Information › Technical Service Bulletins8 pages
- Vacuum Amplifier, EGR › Component Information › Locations
- Positive Crankcase Ventilation › Component Information › Description and Operation23
- Relays and Modules - Emission Control Systems › EGR Control Module › Component Information › Locations
- Thermostatic Air Cleaner › Thermostatic Air Cleaner Vacuum Motor › Component Information › Locations
- Vacuum Restrictor › Component Information › Description and Operation
Fuel Delivery and Air Induction36 pages
- Fuel Pressure › System Information › Specifications
- Fuel Pressure Release › System Information › Service Precautions
Idle Speed › System Information3 pages
- Air/Fuel Mixture › System Information › Adjustments › Idle Mixture and Speed Adjustments234
- Fuel › Component Information › Technical Service Bulletins › Alcohol Blend Fuel - Recommendations
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Fuel Pump › Fuel Pressure › System Information › Specifications
- Fuel Tank › Fuel Gauge Sender › Component Information › Diagrams › Diagram Information and Instructions234
- Idle Speed/Throttle Actuator - Electronic › Component Information › Specifications2
- Intake Air Heater › Component Information › Testing and Inspection
- Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations
- Relays and Modules - Fuel Delivery and Air Induction › Automatic Shut Down (ASD) Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Locations
Sensors and Switches - Fuel Delivery and Air Induction5 pages
- Choke Temperature Control Switch › Component Information › Locations
- Carburetor Switch <--> [Throttle Full Close Switch] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
- Throttle Position Switch › Component Information › Testing and Inspection
- Carburetor Switch <--> [Throttle Full Close Switch] › Component Information › Description and Operation2
- Throttle Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
- Throttle Position Switch › Component Information › Testing and Inspection
Ignition System52 pages
- Firing Order › Component Information › Specifications
- Ignition Timing › Timing Marks and Indicators › System Information › Diagrams
- Ignition Ballast Resistor › Component Information › Specifications2
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
Crankshaft Position Sensor › Component Information5 pages
- Distributor, Ignition › Vacuum Advance Unit <--> [Distributor Advance Unit] › Component Information › Specifications
Electronic Spark Control Module › Component Information5 pages
- Ignition Coil › Component Information › Specifications2
Ignition Control Module › Component Information2 pages
- Knock Sensor › Component Information › Locations23
Pick-Up Coil, Ignition › Component Information3 pages
Relays and Modules - Ignition System8 pages
Electronic Spark Control Module › Component Information5 pages
Ignition Control Module › Component Information2 pages
- Spark Control Relay › Component Information › Locations
Sensors and Switches - Ignition System13 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions
Crankshaft Position Sensor › Component Information5 pages
Ignition Switch › Component Information4 pages
- Knock Sensor › Component Information › Locations23
- Spark Control Relay › Component Information › Locations
- Spark Plug › Component Information › Technical Service Bulletins › Spark Plug - Cleaning/Replacement Guidelines2
- Distributor Solenoid <--> [Vacuum Advance Control Solenoid] › Component Information › Description and Operation
- Vacuum Restrictor › Component Information › Description and Operation