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Jeep Truck
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1996
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Grand Cherokee 4WD L6-242 4.0L VIN S MFI
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
Engine Control Module
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Description and Operation
Architecture
Hardware
Software
Circuit Operation
Battery Feed
Ground
Fuel Control
Modes of Operation
Acceleration Mode
Cruise or Idle Mode
Deceleration Mode
Engine Start-Up Mode
Engine Warm-Up Mode
General Description
Ignition Switch On (Engine Off) Mode
Wide Open Throttle Mode
Non-Monitored Circuits
On-Board Diagnostics
Other Controls
Cruise Control
Exhaust Gas Recirculation
Fuel Vapor Recovery System
Overview
Spark Control
Transmission Control
Testing and Inspection
Battery Feed
Ground
Locations
Diagrams
Diagram Information and Instructions
How to Use Complete Body and Chassis Diagrams
Circuit Function
Circuit Information
Connector Information
Electrostatic Discharge (ESD) Sensitive Devices
Notes, Cautions and Warnings
Symbols
Take-Outs
How to Find System & Component Diagrams
How to Read Wiring Diagrams
Service Procedures
Connector and Terminal Replacement
Connector Replacement
Diode Replacement
Terminal Replacement
Terminal/Connector Repair-Molex Connectors
Terminal/Connector Repair-Thomas and Betts Connectors
Wiring Repair
Special Tools
Diagnostic Aids
Intermittent and Poor Connections
Troubleshooting Tests
Troubleshooting Tools
Troubleshooting Wiring Problems
Connector Views
Electrical Diagrams
Technical Service Bulletins
Description and Operation
Testing and Inspection
Locations
Diagrams
Technical Service BulletinsDescription and OperationTesting and InspectionLocationsDiagramsTechnical Service Bulletins