Grand Cherokee 4WD V8-4.7L (2003): Powertrain Management
Also for this vehicle: Grand Cherokee 2WD L6-242 4.0L VIN S MFI (1993), Grand Cherokee 2WD L6-4.0L VIN S (1997), Grand Cherokee 2WD Laredo V8-4.7L (2002), Grand Cherokee 2WD Limited V8-4.7L (2002), Grand Cherokee 2WD V6-3.7L (2008), Grand Cherokee 2WD V6-3.7L VIN K (2005), Grand Cherokee 2WD V8-318 5.2L VIN Y MFI (1994), Grand Cherokee 2WD V8-4.7L (2003), Grand Cherokee 2WD V8-4.7L Flex Fuel (2008), Grand Cherokee 2WD V8-4.7L VIN J (2004), Grand Cherokee 2WD V8-4.7L VIN N (2000), Grand Cherokee 2WD V8-4.7L VIN P Flex Fuel (2007), Grand Cherokee 2WD V8-5.2L VIN Y (1998), Grand Cherokee 2WD V8-5.7L (2010), Grand Cherokee 2WD V8-5.7L VIN 2 (2005), Grand Cherokee 4WD L6-242 4.0L VIN S MFI (1993), Grand Cherokee 4WD L6-4.0L VIN S (1997), Grand Cherokee 4WD Laredo V8-4.7L (2002), Grand Cherokee 4WD Limited V8-4.7L (2002), Grand Cherokee 4WD SRT-8 V8-6.1L VIN 3 (2006), Grand Cherokee 4WD V6-3.0L DSL Turbo (2008), Grand Cherokee 4WD V6-3.0L DSL Turbo VIN M (2007), Grand Cherokee 4WD V6-3.7L (2009), Grand Cherokee 4WD V8-318 5.2L VIN Y MFI (1994), Grand Cherokee 4WD V8-4.7L Flex Fuel (2009), Grand Cherokee 4WD V8-4.7L VIN N (2000), Grand Cherokee 4WD V8-5.2L VIN Y (1998), Grand Cherokee 4WD V8-5.7L (2008), Grand Cherokee 4WD V8-5.7L VIN 2 (2007), Grand Cherokee SRT-8 V8-6.1L (2009).
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 Management144 pages
Relays and Modules - Computers and Control Systems137 pages
Body Control Module › Component Information113 pages
Technical Service Bulletins20 pages
All Technical Service Bulletins for Body Control Module:10 pages
Customer Interest for Body Control Module:10 pages
- Locations › Component Locations23
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…55
- Service Precautions › Technician Safety Information2
- Description and Operation › Component Description23456789101112131415161718192021222324
- Testing and Inspection › Symptom Related Diagnostic Procedures23456789
Powertrain Control Module <--> [Engine Control Module] › Component Information16 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations234
- Oxygen Sensor Relay › Component Information › Locations234
Relays and Modules - Fuel Delivery and Air Induction7 pages
Sensors and Switches - Powertrain Management63 pages
Sensors and Switches - Computers and Control Systems45 pages
- Battery Temperature Sensor › Component Information › Locations › Component Locations2
Camshaft Position Sensor › Component Information4 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
Crankshaft Position Sensor <--> [Crankshaft Position Sensor] › Component Information5 pages
- Fuel Level Sensor › Component Information › Locations234
Intake Air Temperature (IAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information3 pages
- Knock Sensor › Component Information › Specifications2345
Manifold Pressure/Vacuum Sensor › Component Information3 pages
- Oil Pressure Sensor › Component Information › Locations › Component Locations2
Oxygen Sensor › Component Information7 pages
Throttle Position Sensor › Component Information3 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Locations23
Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information3 pages
Sensors and Switches - Ignition System15 pages
Camshaft Position Sensor › Component Information4 pages
Crankshaft Position Sensor <--> [Crankshaft Position Sensor] › Component Information5 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
- Knock Sensor › Component Information › Specifications2345
Tune-up and Engine Performance Checks15 pages
- Fuel Pressure › Fuel Pressure Test Port › Component Information › Locations
- Idle Speed › System Information › Specifications
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions › Technician Safety Information2
- Firing Order › Component Information › Specifications › Electrical Specifications23
- Ignition Timing › System Information › Specifications
- Spark Plug › Component Information › Specifications › Spark Plug Type23
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications
Computers and Control Systems409 pages
Intake Air Temperature (IAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information3 pages
- Battery Temperature Sensor › Component Information › Locations › Component Locations2
Body Control Module › Component Information113 pages
Technical Service Bulletins20 pages
All Technical Service Bulletins for Body Control Module:10 pages
Customer Interest for Body Control Module:10 pages
- Locations › Component Locations23
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…55
- Service Precautions › Technician Safety Information2
- Description and Operation › Component Description23456789101112131415161718192021222324
- Testing and Inspection › Symptom Related Diagnostic Procedures23456789
Camshaft Position Sensor › Component Information4 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
Crankshaft Position Sensor <--> [Crankshaft Position Sensor] › Component Information5 pages
Data Link Connector › Component Information4 pages
- Electronic Throttle Actuator › Component Information › Technical Service Bulletins › Safety Systems - Inadvertent Damage/Disabling2
Powertrain Control Module <--> [Engine Control Module] › Component Information16 pages
- Fuel Level Sensor › Component Information › Locations234
- Idle Air Control (IAC) Motor <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Specifications23456
- Knock Sensor › Component Information › Specifications2345
- Main Relay (Computer/Fuel System) › Component Information › Locations234
- Malfunction Indicator Lamp › Component Information › Locations2
Manifold Pressure/Vacuum Sensor › Component Information3 pages
- Oil Pressure Sensor › Component Information › Locations › Component Locations2
Oxygen Sensor › Component Information7 pages
- Oxygen Sensor Relay › Component Information › Locations234
Relays and Modules - Computers and Control Systems137 pages
Body Control Module › Component Information113 pages
Technical Service Bulletins20 pages
All Technical Service Bulletins for Body Control Module:10 pages
Customer Interest for Body Control Module:10 pages
- Locations › Component Locations23
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…55
- Service Precautions › Technician Safety Information2
- Description and Operation › Component Description23456789101112131415161718192021222324
- Testing and Inspection › Symptom Related Diagnostic Procedures23456789
Powertrain Control Module <--> [Engine Control Module] › Component Information16 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations234
- Oxygen Sensor Relay › Component Information › Locations234
Sensors and Switches - Computers and Control Systems45 pages
- Battery Temperature Sensor › Component Information › Locations › Component Locations2
Camshaft Position Sensor › Component Information4 pages
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
Crankshaft Position Sensor <--> [Crankshaft Position Sensor] › Component Information5 pages
- Fuel Level Sensor › Component Information › Locations234
Intake Air Temperature (IAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information3 pages
- Knock Sensor › Component Information › Specifications2345
Manifold Pressure/Vacuum Sensor › Component Information3 pages
- Oil Pressure Sensor › Component Information › Locations › Component Locations2
Oxygen Sensor › Component Information7 pages
Throttle Position Sensor › Component Information3 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Locations23
Throttle Position Sensor › Component Information3 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Locations23
Emission Control Systems38 pages
- Catalytic Converter › Component Information › Specifications234
Evaporative Emissions System29 pages
Canister Purge Solenoid › Component Information › Technical Service Bulletins6 pages
Evaporative Canister Filter › Component Information › Technical Service Bulletins4 pages
Evaporative Emission Control Canister › Component Information › Technical Service Bulletins4 pages
- Evaporative Emissions Hose › Component Information › Description and Operation
- Leak Detection Pump, Evaporative System › Component Information › Specifications2345678910111213
- Refueling Vapor Recovery System › System Information › Description and Operation
Positive Crankcase Ventilation5 pages
Fuel Delivery and Air Induction88 pages
- Fuel Pressure › Fuel Pressure Test Port › Component Information › Locations
- Fuel Pressure Release › System Information › Service Precautions › Technician Safety Information2
- Idle Speed › System Information › Specifications
- Accelerator Pedal › Component Information › Specifications23
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel › Component Information › Specifications › Capacity Specifications2
- Fuel Filler Cap › Component Information › Service Precautions23
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions › Technician Safety Information2
- Fuel Hose Clamp › Component Information › Specifications
- Fuel Injector › Component Information › Specifications › Electrical Specifications2
- Fuel Line Coupler › Component Information › Service Precautions2345678
- Fuel Pressure Regulator › Component Information › Specifications2345
- Fuel Pressure Test Port › Component Information › Locations
- Fuel Pump Pickup Filter › Component Information › Locations2
- Fuel Rail › Component Information › Specifications23456
- Fuel Return Line › Component Information › Service Precautions2
- Fuel Supply Line › Component Information › Service Precautions2
- Idle Air Control (IAC) Motor <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Specifications23456
- Intake Air Duct › Component Information › Specifications
- Main Relay (Computer/Fuel System) › Component Information › Locations234
Relays and Modules - Fuel Delivery and Air Induction7 pages
- Resonator, Intake Air › Component Information › Specifications
- Rollover Valve, Fuel Tank › Component Information › Locations
Sensors and Switches - Fuel Delivery and Air Induction › Throttle Position Sensor › Component Information3 pages
- Throttle Body › Component Information › Specifications234
- Throttle Cable/Linkage › Component Information › Service Precautions234
Throttle Position Sensor › Component Information3 pages
Ignition System42 pages
- Firing Order › Component Information › Specifications › Electrical Specifications23
- Ignition Timing › System Information › Specifications
Camshaft Position Sensor › Component Information4 pages
- Condenser, Ignition › Component Information › Diagrams
Crankshaft Position Sensor <--> [Crankshaft Position Sensor] › Component Information5 pages
Ignition Coil › Component Information5 pages
- Knock Sensor › Component Information › Specifications2345
Sensors and Switches - Ignition System15 pages
Camshaft Position Sensor › Component Information4 pages
Crankshaft Position Sensor <--> [Crankshaft Position Sensor] › Component Information5 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
- Knock Sensor › Component Information › Specifications2345
- Spark Plug › Component Information › Specifications › Spark Plug Type23
Transmission Control Systems53 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T5 pages
Lamps and Indicators - Transmission and Drivetrain7 pages
Sensors and Switches - Transmission and Drivetrain29 pages
Sensors and Switches - A/T25 pages
- Fluid Pressure Sensor/Switch, A/T › Component Information › Locations234
- Overdrive Switch, A/T › Component Information › Locations2
- Transmission Position Switch/Sensor, A/T › Component Information › Locations23
Transmission Speed Sensor, A/T › Component Information14 pages
- Transmission Temperature Sensor/Switch, A/T › Component Information › Locations2
- Sensors and Switches - Transfer Case › Gear Sensor/Switch, Transfer Case › Component Information › Diagrams234
PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins58 pages
All Technical Service Bulletins for PROM - Programmable Read Only Memory:29 pages
- 18-037-05 › Oct › 05 › Engine Controls - Flash Programming Failure Recovery234567891011121314151617181920
- 18-045-04 › Dec › 04 › Engine Controls - Warm Engine Rough Idle23
- 18-013-04 › Mar › 04 › Engine Controls - Erratic A/T Operation/MIL ON23
- 18-002-03 › Jan › 03 › Engine Controls/Emissions - MIL ON/Erroneous DTC P045623
- All Other Service Bulletins for PROM - Programmable Read Only Memory: › 18-037-05 › Oct › 05 › Engine Controls - Flash Programming Failure Recovery234567891011121314151617181920