XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004): Powertrain Management

Also for this vehicle: XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003), XC90 AWD L5-2.5L Turbo VIN 59 B5254T2 (2005), XC90 AWD L6-3.2L VIN 98 B6324S (2007), XC90 AWD V8-4.4L VIN 85 B8444S (2005), XC90 FWD L6-3.2L VIN 95 B6324S5 (2011), XC90 FWD L6-3.2L VIN 96 B6324S2 (2010), XC90 FWD L6-3.2L VIN 98 B6324S (2007), XC90 L5-2.5L Turbo VIN 59 B5254T2 (2004), XC90 Factory Service Manual (2003-2016).

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 Management248 pages
  - Relays and Modules - Computers and Control Systems211 pages
    Body Control Module › Component Information46 pages
    Locations › Lighting, External and Internal2 3 4 5
    Service and Repair › Central Electrical Unit Engine Compartment2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…41
    Engine Control Module › Component Information150 pages
    Specifications2
    Locations › Engine Control Module (ECM)2 3
    Diagrams › Diagnostic Aids2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…103
    Description and Operation › System Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…42
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Relays and Modules - Fuel Delivery and Air Induction37 pages
    Fuel Pump Control Unit › Component Information › Service and Repair2 3 4 5 6 7
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
- Sensors and Switches - Powertrain Management87 pages
  - Sensors and Switches - Computers and Control Systems64 pages
    Accelerator Pedal Position Sensor › Component Information › Locations
    Air Flow Meter/Sensor › Component Information › Locations › Location of Components2 3
    Camshaft Position Sensor › Component Information10 pages
    Locations › Position Sensor, Camshaft, Intake Side2 3 4
    Service and Repair › Camshaft Position Sensor (CMP), Replacing2 3 4 5 6
    Clutch Switch, ECM › Component Information › Locations
    Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
    Locations2
    Service and Repair › Engine Coolant Temperature (ECT) Sensor, Replacing2 3 4 5 6
    Crankshaft Position Sensor › Component Information › Service and Repair2
    Engine Speed Sensor › Component Information › Locations2 3
    Fuel Level Sensor › Component Information10 pages
    Locations › Fuel Level Sensor, Pump Side2
    Service and Repair › Level Sensor, Fuel Tank, Right-Hand/Fuel Tank, Replacing2 3 4 5 6 7 8
    Fuel Pressure Sensor › Component Information › Locations
    Intake Air Temperature Sensor › Component Information › Locations2
    Knock Sensor › Component Information › Locations2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations › Location of Components2 3
    Oil Pressure Sensor › Component Information › Locations2 3
    Oxygen Sensor › Component Information10 pages
    Locations › Bank 1, Sensor 1 Oxygen Sensor2 3 4
    Service and Repair › Adapter Wiring Switch, Replacing2 3 4 5 6
    Transmission Position Switch/Sensor, A/T › Component Information › Locations
    Vehicle Speed Sensor › Component Information › Locations › Input Speed Sensor2
  - Sensors and Switches - Fuel Delivery and Air Induction6 pages
    Accelerator Pedal Position Sensor › Component Information › Locations
    Air Flow Meter/Sensor › Component Information › Locations › Location of Components2 3
    Turbo Boost Sensor › Component Information › Locations2
  - Sensors and Switches - Ignition System17 pages
    Camshaft Position Sensor › Component Information10 pages
    Locations › Position Sensor, Camshaft, Intake Side2 3 4
    Service and Repair › Camshaft Position Sensor (CMP), Replacing2 3 4 5 6
    Crankshaft Position Sensor › Component Information › Service and Repair2
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins › Starting System - Ign. Key Won't Turn Past Position 1
    Knock Sensor › Component Information › Locations2 3 4
- Tune-up and Engine Performance Checks50 pages
  - Fuel Pressure › System Information13 pages
    Specifications
    System Diagnosis › Fuel Pressure Gauge, Engagement2 3 4 5 6 7 8 9 10 11 12
  - Idle Speed › System Information › Specifications
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair › Fuel System, Draining2 3 4 5 6 7 8
  - Firing Order › Component Information › Specifications
  - Ignition Timing › Number One Cylinder › Component Information › Locations
  - Spark Plug › Component Information › Specifications2
  - Compression Check › System Information6 pages
    Specifications
    System Diagnosis › Compression Test2 3 4 5
  - Valve Clearance › System Information › Specifications2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
- Computers and Control Systems854 pages
  - Accelerator Pedal Position Sensor › Component Information › Locations
  - Air Flow Meter/Sensor › Component Information › Locations › Location of Components2 3
  - Intake Air Temperature Sensor › Component Information › Locations2
  - Body Control Module › Component Information46 pages
    Locations › Lighting, External and Internal2 3 4 5
    Service and Repair › Central Electrical Unit Engine Compartment2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…41
  - Boost Solenoid, Turbocharger › Component Information › Locations2
  - Brake Signal › Component Information › Locations
  - Camshaft Position Sensor › Component Information10 pages
    Locations › Position Sensor, Camshaft, Intake Side2 3 4
    Service and Repair › Camshaft Position Sensor (CMP), Replacing2 3 4 5 6
  - Central Electronics Box › Central Electronics Box Fan › Component Information › Locations2
  - Clutch Switch, ECM › Component Information › Locations
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
    Locations2
    Service and Repair › Engine Coolant Temperature (ECT) Sensor, Replacing2 3 4 5 6
  - Crankshaft Position Sensor › Component Information › Service and Repair2
  - Data Link Connector › Component Information › Locations › Data Link Connector2 3 4
  - Engine Control Module › Component Information150 pages
    Specifications2
    Locations › Engine Control Module (ECM)2 3
    Diagrams › Diagnostic Aids2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…103
    Description and Operation › System Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…42
  - Engine Speed Sensor › Component Information › Locations2 3
  - Fuel Level Sensor › Component Information10 pages
    Locations › Fuel Level Sensor, Pump Side2
    Service and Repair › Level Sensor, Fuel Tank, Right-Hand/Fuel Tank, Replacing2 3 4 5 6 7 8
  - Fuel Pressure Sensor › Component Information › Locations
  - Information Bus › Component Information259 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…183
    Description and Operation › The Controller Area Network (CAN)2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…60
    Testing and Inspection › Symptom Related Diagnostic Procedures2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  - Knock Sensor › Component Information › Locations2 3 4
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Malfunction Indicator Lamp › Component Information › Description and Operation
  - Manifold Pressure/Vacuum Sensor › Component Information › Locations › Location of Components2 3
  - Oil Pressure Sensor › Component Information › Locations2 3
  - Oxygen Sensor › Component Information10 pages
    Locations › Bank 1, Sensor 1 Oxygen Sensor2 3 4
    Service and Repair › Adapter Wiring Switch, Replacing2 3 4 5 6
  - Relays and Modules - Computers and Control Systems211 pages
    Body Control Module › Component Information46 pages
    Locations › Lighting, External and Internal2 3 4 5
    Service and Repair › Central Electrical Unit Engine Compartment2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…41
    Engine Control Module › Component Information150 pages
    Specifications2
    Locations › Engine Control Module (ECM)2 3
    Diagrams › Diagnostic Aids2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…103
    Description and Operation › System Overview2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…42
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Sensors and Switches - Computers and Control Systems64 pages
    Accelerator Pedal Position Sensor › Component Information › Locations
    Air Flow Meter/Sensor › Component Information › Locations › Location of Components2 3
    Camshaft Position Sensor › Component Information10 pages
    Locations › Position Sensor, Camshaft, Intake Side2 3 4
    Service and Repair › Camshaft Position Sensor (CMP), Replacing2 3 4 5 6
    Clutch Switch, ECM › Component Information › Locations
    Coolant Temperature Sensor/Switch (For Computer) › Component Information8 pages
    Locations2
    Service and Repair › Engine Coolant Temperature (ECT) Sensor, Replacing2 3 4 5 6
    Crankshaft Position Sensor › Component Information › Service and Repair2
    Engine Speed Sensor › Component Information › Locations2 3
    Fuel Level Sensor › Component Information10 pages
    Locations › Fuel Level Sensor, Pump Side2
    Service and Repair › Level Sensor, Fuel Tank, Right-Hand/Fuel Tank, Replacing2 3 4 5 6 7 8
    Fuel Pressure Sensor › Component Information › Locations
    Intake Air Temperature Sensor › Component Information › Locations2
    Knock Sensor › Component Information › Locations2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations › Location of Components2 3
    Oil Pressure Sensor › Component Information › Locations2 3
    Oxygen Sensor › Component Information10 pages
    Locations › Bank 1, Sensor 1 Oxygen Sensor2 3 4
    Service and Repair › Adapter Wiring Switch, Replacing2 3 4 5 6
    Transmission Position Switch/Sensor, A/T › Component Information › Locations
    Vehicle Speed Sensor › Component Information › Locations › Input Speed Sensor2
  - Transmission Position Switch/Sensor, A/T › Component Information › Locations
  - Variable Valve Timing Actuator › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
  - Variable Valve Timing Solenoid › Component Information13 pages
    Technical Service Bulletins6 pages
    Customer Interest for Variable Valve Timing Solenoid: › 2210051 › Feb › 04 › Engine - Knock/Rattles/Low Power/DTC's Set2 3
    All Technical Service Bulletins for Variable Valve Timing Solenoid: › 2210051 › Feb › 04 › Engine - Knock/Rattles/Low Power/DTC's Set2 3
    Service and Repair › Procedures2 3 4 5 6 7
  - Vehicle Speed Sensor › Component Information › Locations › Input Speed Sensor2
- Emission Control Systems35 pages
  - Catalytic Converter › Component Information › Application and ID2 3 4 5 6 7 8 9 10 11 12 13 14
  - Evaporative Emissions System12 pages
    Evaporative Shut Valve › Component Information › Locations2 3 4 5 6 7 8
    Leak Detection Pump, Evaporative System › Component Information › Technical Service Bulletins › Emissions - Improved EVAP Leak Detection Diagnostics2 3 4
  - Positive Crankcase Ventilation9 pages
    Crankcase Pressure Regulator Valve › Component Information › Locations
    Oil Separator › Component Information › Locations2 3
    PCV Orifice › Component Information › Service and Repair2 3 4 5
- Fuel Delivery and Air Induction214 pages
  - Fuel Pressure › System Information13 pages
    Specifications
    System Diagnosis › Fuel Pressure Gauge, Engagement2 3 4 5 6 7 8 9 10 11 12
  - Fuel Pressure Release › System Information › Service and Repair › Fuel System, Draining2 3 4 5 6 7 8
  - Idle Speed › System Information › Specifications
  - Accelerator Pedal › Component Information › Service and Repair
  - Accelerator Pedal Position Sensor › Component Information › Locations
  - Air Flow Meter/Sensor › Component Information › Locations › Location of Components2 3
  - Fuel › Component Information › Specifications2
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair › Fuel System, Draining2 3 4 5 6 7 8
  - Fuel Heater › Fuel Heater Relay › Component Information › Locations
  - Fuel Injector › Fuel Injector Line › Component Information › Tools and Equipment
  - Fuel Pressure Regulator › Component Information › Description and Operation2
  - Fuel Pressure Pulsation Damper › Component Information › Service and Repair2 3
  - Fuel Pump35 pages
    Fuel Pressure › System Information13 pages
    Specifications
    System Diagnosis › Fuel Pressure Gauge, Engagement2 3 4 5 6 7 8 9 10 11 12
    Fuel Pump Control Unit › Component Information › Service and Repair2 3 4 5 6 7
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Fuel Rail › Component Information › Service and Repair2
  - Fuel Tank29 pages
    Evaporative Shut Valve › Component Information › Locations2 3 4 5 6 7 8
    Fuel Gauge Sender › Component Information21 pages
    Testing and Inspection › Checking the Fuel Level Sensor2 3 4 5 6
    Service and Repair › Level Sensor, Fuel Tank, Right-Hand/Fuel Tank, Replacing2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Intake Air Duct › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Intake Air Duct:3 pages
    TNN26-06 › Oct › 03 › Fuel System - Charged Air Pipe Splitting2
    TNN26-05 › Sep › 03 › Fuel System - Wooshing Noise On Deceleration
    All Technical Service Bulletins for Intake Air Duct:3 pages
    TNN26-06 › Oct › 03 › Fuel System - Charged Air Pipe Splitting2
    TNN26-05 › Sep › 03 › Fuel System - Wooshing Noise On Deceleration
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Relays and Modules - Fuel Delivery and Air Induction37 pages
    Fuel Pump Control Unit › Component Information › Service and Repair2 3 4 5 6 7
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5 6 7 8 9 10 11 12 13 14 15
  - Sensors and Switches - Fuel Delivery and Air Induction6 pages
    Accelerator Pedal Position Sensor › Component Information › Locations
    Air Flow Meter/Sensor › Component Information › Locations › Location of Components2 3
    Turbo Boost Sensor › Component Information › Locations2
  - Throttle Body › Component Information5 pages
    Locations2
    Service and Repair › Procedures2 3
  - Turbocharger35 pages
    Boost Solenoid, Turbocharger › Component Information › Locations2
    Intercooler › Component Information › Service and Repair › Charge Air Cooler2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Turbo Boost Sensor › Component Information › Locations2
    Wastegate Actuator › Component Information › Testing and Inspection2 3 4 5 6 7 8 9 10 11 12 13 14
- Ignition System42 pages
  - Firing Order › Component Information › Specifications
  - Ignition Timing › Number One Cylinder › Component Information › Locations
  - Camshaft Position Sensor › Component Information10 pages
    Locations › Position Sensor, Camshaft, Intake Side2 3 4
    Service and Repair › Camshaft Position Sensor (CMP), Replacing2 3 4 5 6
  - Crankshaft Position Sensor › Component Information › Service and Repair2
  - Ignition Coil › Component Information › Locations2 3 4 5
  - Knock Sensor › Component Information › Locations2 3 4
  - Sensors and Switches - Ignition System17 pages
    Camshaft Position Sensor › Component Information10 pages
    Locations › Position Sensor, Camshaft, Intake Side2 3 4
    Service and Repair › Camshaft Position Sensor (CMP), Replacing2 3 4 5 6
    Crankshaft Position Sensor › Component Information › Service and Repair2
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Technical Service Bulletins › Starting System - Ign. Key Won't Turn Past Position 1
    Knock Sensor › Component Information › Locations2 3 4
  - Spark Plug › Component Information › Specifications2
- Transmission Control Systems306 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T83 pages
    Shift Interlock Solenoid › Component Information7 pages
    Locations
    Service and Repair › Procedures2 3 4 5 6
    Shift Solenoid, A/T › Component Information69 pages
    Locations › Location of Components, Solenoids2 3 4
    Service and Repair › Control System/Valve Housing, Removing2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…65
    Throttle Valve Solenoid, A/T › Component Information › Locations
    Torque Converter Clutch Solenoid, A/T › Component Information6 pages
    Technical Service Bulletins4 pages
    Customer Interest for Torque Converter Clutch Solenoid: › TNN43-41 › Aug › 03 › A/T - DTC 0053 Stored in TCM2
    All Technical Service Bulletins for Torque Converter Clutch Solenoid: › TNN43-41 › Aug › 03 › A/T - DTC 0053 Stored in TCM2
    Locations › Shift Solenoid 1, 2, Lock-up & Pressure Solenoid - AW 502
  - Relays and Modules - Transmission and Drivetrain204 pages
    Relays and Modules - A/T › Control Module, A/T › Component Information14 pages
    Technical Service Bulletins12 pages
    All Technical Service Bulletins for Control Module:6 pages
    TJ16761 › Jan › 11 › A/T Controls - TCM Updates For Various Concerns/Issues2 3 4 5
    TJ21469 › Dec › 09 › TJ21469 - BULLETIN CANCELLATION NOTIFICATION
    Customer Interest: › TJ16761 › Jan › 11 › A/T Controls - TCM Updates For Various Concerns/Issues2 3 4 5
    All Other Service Bulletins for Control Module: › TJ21469 › Dec › 09 › TJ21469 - BULLETIN CANCELLATION NOTIFICATION
    Locations › Transmission Control Module (TCM)2
    Relays and Modules - Differential › Control Unit, Differential Lock › Component Information184 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…183
    Relays and Modules - Transfer Case › Control Module, Transfer Case › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Control Module: › TJ20756 › Jan › 11 › Drivetrain Controls - Software Update For Various Issues2 3
    All Technical Service Bulletins for Control Module: › TJ20756 › Jan › 11 › Drivetrain Controls - Software Update For Various Issues2 3
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T19 pages
    Fluid Pressure Sensor/Switch, A/T › Component Information › Locations
    Transmission Position Switch/Sensor, A/T › Component Information › Locations
    Transmission Speed Sensor, A/T › Component Information10 pages
    Locations
    Service and Repair › Input Speed Sensor Transmission, Replacing2 3 4 5 6 7 8 9
    Transmission Temperature Sensor/Switch, A/T › Component Information7 pages
    Locations › Oil Temperature Sensor, Automatic Transmission - AW 502 3
    Service and Repair › Temperature Sensor Fluid Transmission, Replacing2 3 4
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins30 pages
  - All Technical Service Bulletins:17 pages
    TJ16761 › Jan › 11 › A/T Controls - TCM Updates For Various Concerns/Issues2 3 4 5
    TJ20756 › Jan › 11 › Drivetrain Controls - Software Update For Various Issues2 3
    TJ21469 › Dec › 09 › TJ21469 - BULLETIN CANCELLATION NOTIFICATION
    TNN40-02 › Dec › 07 › Computers/Controls - TCM/DEM Software Updates2 3
    TNN20-04 › Jan › 07 › Engine Controls - Engine Management Software Usage
    TNN30-02 › Oct › 05 › Campaign - Vehicle Software Upgrade2 3
    TNN28-55 › Feb › 05 › Engine Controls - Cooling Fan On/DTC 2000 Set
  - Customer Interest:12 pages
    TJ16761 › Jan › 11 › A/T Controls - TCM Updates For Various Concerns/Issues2 3 4 5
    TJ20756 › Jan › 11 › Drivetrain Controls - Software Update For Various Issues2 3
    TNN40-02 › Dec › 07 › Computers/Controls - TCM/DEM Software Updates2 3
    TNN28-55 › Feb › 05 › Engine Controls - Cooling Fan On/DTC 2000 Set
  - All Other Service Bulletins for PROM - Programmable Read Only Memory: › TNN77-11 › Jan › 05 › Drivetrain/Wheels - Wheel Bolts Corroding
  - All Other Service Bulletins for PROM - Programmable Read Only Memory: › TNN77-11 › Jan › 05 › Drivetrain/Wheels - Wheel Bolts Corroding
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