Discovery I (LJ) V8-3.9L (1994): Powertrain Management
Also for this vehicle: Discovery I (LJ) V8-4.0L (1996), Discovery II (LT) V8-4.0L (2002), Discovery II (LT) V8-4.6L (2003), Discovery Body Repair Manual (1995 on), Discovery Electrical Troubleshooting Manual (1995), Discovery Electrical Troubleshooting Manual (1996), Discovery Electrical Troubleshooting Manual (1997 on), Discovery II (NAS), Discovery II Circuit Diagrams (2000 model year), Discovery II Circuit Diagrams (2003 model year), Discovery II Electrical Library (1999-2003), Discovery II Technical Bulletins, Discovery II (UK), Discovery Technical Bulletins, 300Tdi Discovery, LR3/Disco 3, LR3 (LA) V6-4.0L (2006), LR3 (LA) V8-4.4L (2009), LR3 (LA) V8-4394cc 4.4L (2005), LR4 (LA) V8-5.0L (2010).
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 Management225 pages
Relays and Modules - Computers and Control Systems160 pages
Engine Control Module › Component Information97 pages
Technical Service Bulletins50 pages
All Technical Service Bulletins for Engine Control Module:27 pages
- TEC190897 › Oct › 97 › ECM - MIL ON DTC P0461 Set2
- TEC8610972 › Jul › 97 › Temperature Gauge - Inaccurate/False DTC's Stored234
- TEC191396 › Dec › 96 › Engine - Hard Starting When Cold2345678
- TEC190996 › Dec › 96 › ECM - MIL ON DTC P1317 Set23
- TEC190896 › Dec › 96 › ECM - DTC P0125 Set234
- TEC190195 › Mar › 95 › Engine - Poor Starting in Cold Weather2
- C855 › Feb › 95 › Cold Start2
- TEC190194 › Nov › 94 › Oxygen Sensor - Codes 44 & 45 Diagnosis2
All Other Service Bulletins for Engine Control Module:6 pages
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…47
- Main Relay (Computer/Fuel System) › Component Information › Locations › Relay Modules23
Relays and Modules - Ignition System15 pages
Ignition Control Module › Component Information › Technical Service Bulletins14 pages
All Technical Service Bulletins for Ignition Control Module:7 pages
- All Other Service Bulletins for Ignition Control Module: › TEC861194 › Nov › 94 › Cranks - No Start/Hesitation When Driving2
- Ignition Relay › Component Information › Locations
Sensors and Switches - Powertrain Management424 pages
Sensors and Switches - Computers and Control Systems202 pages
- Clutch Switch, ECM › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
- Engine Speed Sensor › Component Information › Locations
- Fuel Level Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…46
- Intake Air Temperature Sensor › Component Information › Locations
Oil Pressure Sensor › Component Information › Technical Service Bulletins12 pages
- Recalls: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement234
- All Technical Service Bulletins: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement234
All Other Service Bulletins for Oil Pressure Sensor:4 pages
All Other Service Bulletins for Oil Pressure Sensor:0 pages
- TEC120399 › Jul › 99 › Engine - Excessive Noise/Vibration
- TEC010594 › Jul › 94 › Engine/Drivetrain - Vibration at 30 to 40 Mph
Throttle Position Sensor › Component Information4 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Locations
- Vehicle Speed Sensor › Component Information › Locations234
Sensors and Switches - Fuel Delivery and Air Induction152 pages
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations2
Throttle Position Sensor › Component Information4 pages
Sensors and Switches - Ignition System70 pages
Tune-up and Engine Performance Checks40 pages
- Fuel Pressure › System Information › Specifications › Fuel Pump Volume2
- Air/Fuel Mixture › System Information › Specifications
- Idle Speed › System Information › Technical Service Bulletins › Engine - Base Idle Adjustment During PDI2
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
Ignition Cable › Component Information › Technical Service Bulletins14 pages
Distributor, Ignition › Component Information8 pages
- Spark Plug › Component Information › Technical Service Bulletins › Spark Plug - New Part/Extended Service Interval2345
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications
Computers and Control Systems827 pages
- Intake Air Temperature Sensor › Component Information › Locations
- Clutch Switch, ECM › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
- Fuel Injection Fault Display Unit <--> [Diagnostic Readout Box] › Component Information › Locations2
Engine Control Module › Component Information101 pages
Technical Service Bulletins54 pages
All Technical Service Bulletins for Engine Control Module:27 pages
- TEC190897 › Oct › 97 › ECM - MIL ON DTC P0461 Set2
- TEC8610972 › Jul › 97 › Temperature Gauge - Inaccurate/False DTC's Stored234
- TEC191396 › Dec › 96 › Engine - Hard Starting When Cold2345678
- TEC190996 › Dec › 96 › ECM - MIL ON DTC P1317 Set23
- TEC190896 › Dec › 96 › ECM - DTC P0125 Set234
- TEC190195 › Mar › 95 › Engine - Poor Starting in Cold Weather2
- C855 › Feb › 95 › Cold Start2
- TEC190194 › Nov › 94 › Oxygen Sensor - Codes 44 & 45 Diagnosis2
All Other Service Bulletins for Engine Control Module:10 pages
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…47
- Engine Speed Sensor › Component Information › Locations
- Fuel Level Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…46
Idle Air Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information4 pages
- Main Relay (Computer/Fuel System) › Component Information › Locations › Relay Modules23
- Malfunction Indicator Lamp › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…46
Oil Pressure Sensor › Component Information › Technical Service Bulletins10 pages
- Recalls: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement234
- All Technical Service Bulletins: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement234
- All Other Service Bulletins for Oil Pressure Sensor: › TEC410298 › Oct › 98 › Drivetrain - Difficult Differential Lock Selection2
- All Other Service Bulletins for Oil Pressure Sensor: › TEC410298 › Oct › 98 › Drivetrain - Difficult Differential Lock Selection
Relays and Modules - Computers and Control Systems164 pages
Engine Control Module › Component Information101 pages
Technical Service Bulletins54 pages
All Technical Service Bulletins for Engine Control Module:27 pages
- TEC190897 › Oct › 97 › ECM - MIL ON DTC P0461 Set2
- TEC8610972 › Jul › 97 › Temperature Gauge - Inaccurate/False DTC's Stored234
- TEC191396 › Dec › 96 › Engine - Hard Starting When Cold2345678
- TEC190996 › Dec › 96 › ECM - MIL ON DTC P1317 Set23
- TEC190896 › Dec › 96 › ECM - DTC P0125 Set234
- TEC190195 › Mar › 95 › Engine - Poor Starting in Cold Weather2
- C855 › Feb › 95 › Cold Start2
- TEC190194 › Nov › 94 › Oxygen Sensor - Codes 44 & 45 Diagnosis2
All Other Service Bulletins for Engine Control Module:10 pages
- Diagrams › Diagram Information and Instructions234567891011121314151617181920…47
- Main Relay (Computer/Fuel System) › Component Information › Locations › Relay Modules23
Sensors and Switches - Computers and Control Systems198 pages
- Clutch Switch, ECM › Component Information › Locations
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications234
- Engine Speed Sensor › Component Information › Locations
- Fuel Level Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011121314151617181920…46
- Intake Air Temperature Sensor › Component Information › Locations
Oil Pressure Sensor › Component Information › Technical Service Bulletins8 pages
Throttle Position Sensor › Component Information4 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Locations
- Vehicle Speed Sensor › Component Information › Locations234
Throttle Position Sensor › Component Information4 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Locations
- Vehicle Speed Sensor › Component Information › Locations234
Emission Control Systems64 pages
- Catalytic Converter › Component Information › Locations2345
Evaporative Emissions System55 pages
- Evaporative Emission Control Canister › Component Information › Service Precautions2
Evaporative Shut Valve › Component Information › Technical Service Bulletins6 pages
Positive Crankcase Ventilation › Crankcase Filter › Component Information4 pages
Fuel Delivery and Air Induction545 pages
- Fuel Pressure › System Information › Specifications › Fuel Pump Volume2
- Fuel Pressure Release › System Information › Service and Repair
- Idle Speed › System Information › Technical Service Bulletins › Engine - Base Idle Adjustment During PDI2
- Air/Fuel Mixture › System Information › Specifications
- Accelerator Pedal › Component Information › Service and Repair
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Pressure Regulator › Component Information › Specifications2345
- Fuel Rail › Component Information › Technical Service Bulletins › Engine - Misfire Diagnosis23456
- Fuel Supply Line › Component Information › Specifications
Fuel Tank27 pages
Evaporative Shut Valve › Component Information › Technical Service Bulletins13 pages
- Customer Interest: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank23
- All Technical Service Bulletins: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank23
- All Other Service Bulletins for Evaporative Shut Valve: › TEC190198 › Jul › 99 › Ignition System - Hard Start/Rough Running/Misfire Codes234567
- All Other Service Bulletins for Evaporative Shut Valve: › TEC190198 › Jul › 99 › Ignition System - Hard Start/Rough Running/Misfire Codes
Fuel Filler Neck › Component Information › Technical Service Bulletins10 pages
- Customer Interest: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank23
- All Technical Service Bulletins: › TEC190403 › Dec › 03 › Emissions/Fuel Systems - Difficulty Filling Fuel Tank23
- All Other Service Bulletins for Fuel Filler Neck: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement234
- All Other Service Bulletins for Fuel Filler Neck: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement
Fuel Gauge Sender › Component Information › Technical Service Bulletins4 pages
Idle Air Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information4 pages
- Intake Air Plenum › Component Information › Service and Repair › Remove and Refit2
- Main Relay (Computer/Fuel System) › Component Information › Locations › Relay Modules23
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations2
- Ram Housing <--> [Resonator, Intake Air] › Component Information › Specifications2
Sensors and Switches - Fuel Delivery and Air Induction152 pages
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations2
Throttle Position Sensor › Component Information4 pages
Throttle Body › Throttle Plate - PFI › Component Information › Technical Service Bulletins8 pages
- Customer Interest: › TEC190295 › Nov › 95 › Engine - Hesitation, OBD Fault 17/DTC P0121 Set2
- All Technical Service Bulletins: › TEC190295 › Nov › 95 › Engine - Hesitation, OBD Fault 17/DTC P0121 Set2
- All Other Service Bulletins for Throttle Plate - PFI: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement234
- All Other Service Bulletins for Throttle Plate - PFI: › H4832 › Jan › 98 › Campaign - Oil Pressure Switch Replacement
Throttle Cable/Linkage › Component Information11 pages
Throttle Position Sensor › Component Information4 pages
Ignition System188 pages
- Firing Order › Component Information › Specifications
Distributor, Ignition › Component Information8 pages
Ignition Cable › Component Information › Technical Service Bulletins14 pages
Ignition Coil › Component Information36 pages
Technical Service Bulletins34 pages
All Technical Service Bulletins for Ignition Coil:17 pages
- TEC191396 › Dec › 96 › Engine - Hard Starting When Cold2345678
- TEC190796 › Dec › 96 › Ignition System - Hard Starting2
- 19-07-96 › Dec › 96 › Ignition Coil - Poor Connections2
- TEC861194 › Nov › 94 › Cranks - No Start/Hesitation When Driving2
- TEC860894 › Sep › 94 › Ignition Module - Engine No Start/Poor Start23
- All Other Service Bulletins for Ignition Coil: › TEC861194 › Nov › 94 › Cranks - No Start/Hesitation When Driving2
- Locations › Ignition Coil (Z140)2
Ignition Control Module › Component Information › Technical Service Bulletins14 pages
All Technical Service Bulletins for Ignition Control Module:7 pages
- All Other Service Bulletins for Ignition Control Module: › TEC861194 › Nov › 94 › Cranks - No Start/Hesitation When Driving2
- Ignition Relay › Component Information › Locations
- Pick-Up Coil, Ignition › Component Information › Specifications › Electrical Specifications2
Relays and Modules - Ignition System15 pages
Ignition Control Module › Component Information › Technical Service Bulletins14 pages
All Technical Service Bulletins for Ignition Control Module:7 pages
- All Other Service Bulletins for Ignition Control Module: › TEC861194 › Nov › 94 › Cranks - No Start/Hesitation When Driving2
- Ignition Relay › Component Information › Locations
Sensors and Switches - Ignition System70 pages
- Spark Plug › Component Information › Technical Service Bulletins › Spark Plug - New Part/Extended Service Interval2345
Transmission Control Systems10 pages
Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T6 pages
Shift Indicator › Component Information › Technical Service Bulletins5 pages
- All Technical Service Bulletins: › TEC440694 › Jul › 94 › Automatic Gear Selector - Graphic Film Torn2
- Customer Interest: › TEC440694 › Jul › 94 › Automatic Gear Selector - Graphic Film Torn2
- All Other Service Bulletins for Shift Indicator: › TEC370594 › Jul › 94 › Reverse Lights - Intermittant Operation
- All Other Service Bulletins for Shift Indicator: › TEC370594 › Jul › 94 › Reverse Lights - Intermittant Operation
- Temperature Warning Indicator - A/T › Component Information › Locations
- Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Shift Interlock Relay › Component Information › Locations › Interlock Relay 2 (K151)2
Sensors and Switches - Transmission and Drivetrain2 pages
PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins30 pages
All Technical Service Bulletins for PROM - Programmable Read Only Memory:15 pages
- All Other Service Bulletins for PROM - Programmable Read Only Memory: › TEC190198 › Jul › 99 › Ignition System - Hard Start/Rough Running/Misfire Codes2