Jetta L5-2.5L (CBTA) (2008): Powertrain Management

Also for this vehicle: Jetta GL L4-1.9L DSL Turbo (ALH) (2001), Jetta GL L4-2.0L (AVH) (2001), Jetta GL Wagon L4-1.9L DSL Turbo (ALH) (2002), Jetta GLS L4-1.8L Turbo (AWD) (2001), Jetta GLS L4-1.8L Turbo (AWP) (2002), Jetta GLS L4-1.9L DSL Turbo (ALH) (2001), Jetta GLS L4-2.0L (AVH) (2001), Jetta GLS V6-2.8L (AFP) (2002), Jetta GLS VR6 V6-2.8L (AFP) (2001), Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002), Jetta GLS Wagon L4-2.0L (AZG) (2002), Jetta GLS Wagon V6-2.8L (AFP) (2001), Jetta GLX V6-2.8L (AFP) (2002), Jetta GLX Wagon V6-2.8L (AFP) (2001), Jetta III L4-1.9L DSL Turbo (AAZ) (1993), Jetta III L4-2.0L (ABA) (1995), Jetta III V6-2792cc 2.8L DOHC (1994), Jetta L4-1.8L Turbo (AWD) (2000), Jetta L4-1.8L Turbo (AWP) (2004), Jetta L4-1.9L DSL Turbo (AAZ) (1997), Jetta L4-1.9L DSL Turbo (AHU) (1999), Jetta L4-1.9L DSL Turbo (BEW) (2004), Jetta L4-1.9L DSL Turbo (BRM) (2006), Jetta L4-1588cc 1.6L DSL SOHC (1982), Jetta L4-1588cc 1.6L DSL SOHC (ME) (1989), Jetta L4-1588cc 1.6L DSL SOHC Turbo (1985), Jetta L4-1715cc 1.7L SOHC (1983), Jetta L4-1781cc 1.8L DOHC (1988), Jetta L4-1781cc 1.8L SOHC (1987), Jetta L4-1781cc 1.8L SOHC (ACC) Can (1995), Jetta L4-1781cc 1.8L SOHC (RV, PF) (1989), Jetta L4-2.0L (ABA) (1996), Jetta L4-2.0L (AEG) (2000), Jetta L4-2.0L (AZG) (2004), Jetta L4-2.0L (BEV) (2004), Jetta L5-2.5L (BGP) (2006), Jetta Sedan (162) L4-2.0L Turbo (CBPA) (2011), Jetta Sedan (162) L5-2.5L (CBUA) (2011), Jetta Sedan L4-1.8L Turbo (AWP) (2003), Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005), Jetta Sedan L4-2.0L (AVH) (2003), Jetta Sedan L4-2.0L (BBW) (2005), Jetta Sedan L5-2.5L (BGP) (2005), Jetta Sedan L5-2.5L (CBTA) (2009), Jetta Sedan V6-2.8L (BDF) (2003), Jetta SportWagen (AJ5) L4-2.0L DSL Turbo (CJAA) (2011), Jetta SportWagen (AJ5) L5-2.5L (CBUA) (2011), Jetta SportWagen L4-2.0L DSL Turbo (CBEA) (2009), Jetta SportWagen L4-2.0L DSL Turbo (CJAA) (2010), Jetta SportWagen L4-2.0L Turbo (CCTA) (2009), Jetta SportWagen L5-2.5L (CBUA) (2009), Jetta V6-2.8L (AFP) (1999), Jetta V6-2.8L (BDF) (2002), Jetta Wagon L4-1.8L Turbo (AWP) (2005), Jetta Wagon L4-1.9L DSL Turbo (ALH) (2003), Jetta Wagon L4-2.0L (BEV) (2005).

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 Management64 pages
  - Relays and Modules - Computers and Control Systems49 pages
    Body Control Module › Component Information7 pages
    Locations2
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5
    Electronic Throttle Control Module › Component Information › Locations2 3 4 5 6
    Engine Control Module › Component Information32 pages
    Specifications2 3 4 5 6
    Testing and Inspection › Reading and Clearing Diagnostic Trouble Codes2 3 4 5 6 7 8 9 10
    Service and Repair › Fuel Injection and Ignition - Multi Fuel Injection2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    Main Relay (Computer/Fuel System) › Component Information › Locations › Motronic Engine Control Module (ECM) Power Supply Relay J2712 3 4
  - Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations › Relay Arrangements on Electronics Box (E-Box), In Engine Compartment, Left2 3
  - Relays and Modules - Fuel Delivery and Air Induction12 pages
    Fuel Pump Control Unit › Component Information › Locations
    Fuel Pump Relay › Component Information › Locations › Relay Arrangements And Circuit Breakers On Relay Panel Below Instrument Panel, Left2 3 4
    Main Relay (Computer/Fuel System) › Component Information › Locations › Motronic Engine Control Module (ECM) Power Supply Relay J2712 3 4
    Variable Induction Control Module › Component Information › Service and Repair2 3
- Sensors and Switches - Powertrain Management113 pages
- Tune-up and Engine Performance Checks32 pages
  - Fuel Pressure › System Information10 pages
    Specifications
    System Diagnosis › Fuel Pressure Regulator And Residual Pressure, Checking2 3 4 5 6 7 8 9
  - Idle Speed › System Information › Specifications › Motronic Fuel Injection System, Servicing2
  - Air Cleaner Housing › Air Filter Element › Component Information5 pages
    Locations2
    Service and Repair › Engine Cover With Air Filter2 3
  - Fuel Filter › Component Information7 pages
    Locations
    Service and Repair › Fuel Filter2 3 4 5 6
  - Firing Order › Component Information › Specifications › Spark Plug Technical Data2
  - Ignition Timing › Number One Cylinder › Component Information › Locations
  - Spark Plug › Component Information › Specifications › Spark Plug Technical Data2
  - Compression Check › System Information › Specifications2
  - Valve Clearance › System Information › Specifications
- Computers and Control Systems355 pages
  - Accelerator Pedal Position Sensor › Component Information › Testing and Inspection2 3 4
  - Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
  - Air Injection Flow Sensor › Component Information › Testing and Inspection2
  - Intake Air Temperature Sensor › Component Information › Locations2 3 4 5 6 7
  - Body Control Module › Component Information7 pages
    Locations2
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5
  - Camshaft Position Sensor › Component Information › Locations2 3 4 5
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Testing and Inspection2 3 4 5 6
  - Data Link Connector › Component Information19 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
  - Electronic Throttle Actuator › Component Information17 pages
    Locations
    Description and Operation › Electronic Power Control System Function2 3
    Testing and Inspection › Throttle Position Sensor/Accelerator Pedal Position Sensor 2, Checking2 3 4 5 6 7 8 9
    Service and Repair › Accelerator Pedal Module2 3 4
  - Electronic Throttle Control Module › Component Information › Locations2 3 4 5 6
  - Engine Control Module › Component Information32 pages
    Specifications2 3 4 5 6
    Testing and Inspection › Reading and Clearing Diagnostic Trouble Codes2 3 4 5 6 7 8 9 10
    Service and Repair › Fuel Injection and Ignition - Multi Fuel Injection2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
  - Engine Speed Sensor › Component Information › Locations2 3 4 5
  - Information Bus › Component Information33 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9
    Service and Repair › Procedures2 3 4
  - Knock Sensor › Component Information › Locations › Knock Sensor (KS) 1 G612 3 4
  - Main Relay (Computer/Fuel System) › Component Information › Locations › Motronic Engine Control Module (ECM) Power Supply Relay J2712 3 4
  - Malfunction Indicator Lamp › Component Information › Description and Operation › Electronic Power Control Warning Lamp2
  - Manifold Pressure/Vacuum Sensor › Component Information › Locations2 3 4
  - Oxygen Sensor › Component Information41 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Locations › Heated Oxygen Sensor G392 3 4
    Testing and Inspection › Oxygen Sensor O2S 1 Before Catalytic Converter Heater, Checking2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…31
    Service and Repair › Procedures2 3 4 5
  - Power Steering Pressure Switch › Component Information › Locations
  - Relays and Modules - Computers and Control Systems49 pages
    Body Control Module › Component Information7 pages
    Locations2
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5
    Electronic Throttle Control Module › Component Information › Locations2 3 4 5 6
    Engine Control Module › Component Information32 pages
    Specifications2 3 4 5 6
    Testing and Inspection › Reading and Clearing Diagnostic Trouble Codes2 3 4 5 6 7 8 9 10
    Service and Repair › Fuel Injection and Ignition - Multi Fuel Injection2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    Main Relay (Computer/Fuel System) › Component Information › Locations › Motronic Engine Control Module (ECM) Power Supply Relay J2712 3 4
  - Sensors and Switches - Computers and Control Systems91 pages
    Accelerator Pedal Position Sensor › Component Information › Testing and Inspection2 3 4
    Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Air Injection Flow Sensor › Component Information › Testing and Inspection2
    Camshaft Position Sensor › Component Information › Locations2 3 4 5
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Testing and Inspection2 3 4 5 6
    Engine Speed Sensor › Component Information › Locations2 3 4 5
    Intake Air Temperature Sensor › Component Information › Locations2 3 4 5 6 7
    Knock Sensor › Component Information › Locations › Knock Sensor (KS) 1 G612 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations2 3 4
    Oxygen Sensor › Component Information41 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Locations › Heated Oxygen Sensor G392 3 4
    Testing and Inspection › Oxygen Sensor O2S 1 Before Catalytic Converter Heater, Checking2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…31
    Service and Repair › Procedures2 3 4 5
    Power Steering Pressure Switch › Component Information › Locations
    Throttle Position Sensor › Component Information › Locations › Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G1872
    Transmission Position Switch/Sensor, A/T › Component Information › Locations2 3 4 5 6 7 8 9
  - Throttle Position Sensor › Component Information › Locations › Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G1872
  - Transmission Position Switch/Sensor, A/T › Component Information › Locations2 3 4 5 6 7 8 9
  - Variable Valve Timing Actuator › Component Information › Testing and Inspection2 3 4
- Emission Control Systems62 pages
  - Air Injection29 pages
    Air Injection Vacuum Control Solenoid Valve › Component Information › Testing and Inspection › Engine Mechanical, Fuel Injection and Ignition2 3 4
    Air Injection Control Valve › Component Information11 pages
    Locations2
    Testing and Inspection › Combination Valve, Checking2 3 4 5 6 7 8 9
    Air Injection Flow Sensor › Component Information › Testing and Inspection2
    Air Injection Pressure Sensor/Switch › Component Information › Testing and Inspection2
    Air Injection Pump › Component Information › Locations2 3 4 5 6 7
    Air Injection Pump Relay › Component Information › Locations › Relay Arrangements on Electronics Box (E-Box), In Engine Compartment, Left2 3
  - Catalytic Converter › Component Information11 pages
    Locations2 3
    Service and Repair › Front Exhaust Pipe With Catalytic Converter and Attachments Assembly Overview2 3 4 5 6 7 8
  - Evaporative Emissions System15 pages
    Canister Purge Control Valve › Component Information › Testing and Inspection2 3 4
    Evaporative Emission Control Canister › Component Information › Service and Repair2 3
    Leak Detection Pump, Evaporative System › Component Information › Testing and Inspection › Fuel Injection and Ignition - Fuel Supply2 3 4 5 6 7 8
  - Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations › Relay Arrangements on Electronics Box (E-Box), In Engine Compartment, Left2 3
  - Sensors and Switches - Emission Control Systems4 pages
    Air Injection Flow Sensor › Component Information › Testing and Inspection2
    Air Injection Pressure Sensor/Switch › Component Information › Testing and Inspection2
- Fuel Delivery and Air Induction117 pages
  - Fuel Pressure › System Information10 pages
    Specifications
    System Diagnosis › Fuel Pressure Regulator And Residual Pressure, Checking2 3 4 5 6 7 8 9
  - Idle Speed › System Information › Specifications › Motronic Fuel Injection System, Servicing2
  - Accelerator Pedal Position Sensor › Component Information › Testing and Inspection2 3 4
  - Air Cleaner Housing › Air Filter Element › Component Information5 pages
    Locations2
    Service and Repair › Engine Cover With Air Filter2 3
  - Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
  - Fuel › Component Information › Technical Service Bulletins › Fuel System - Fuel Related Driveability Issues2 3 4
  - Fuel Filler Cap › Component Information › Technical Service Bulletins8 pages
    All Technical Service Bulletins for Fuel Filler Cap: › 5009-02 › Sep › 09 › Body - Paint Stained Near Fuel Filler Door2 3 4
    Customer Interest for Fuel Filler Cap: › 5009-02 › Sep › 09 › Body - Paint Stained Near Fuel Filler Door2 3 4
  - Fuel Filter › Component Information7 pages
    Locations
    Service and Repair › Fuel Filter2 3 4 5 6
  - Fuel Injector › Component Information17 pages
    Specifications2
    Testing and Inspection › Generic Scan Tool2 3 4 5 6 7 8 9 10
    Service and Repair › Fuel Rail and Injectors Assembly Overview2 3 4 5
  - Fuel Pressure Regulator › Component Information › Testing and Inspection2 3
  - Fuel Pump15 pages
    Fuel Pressure › System Information10 pages
    Specifications
    System Diagnosis › Fuel Pressure Regulator And Residual Pressure, Checking2 3 4 5 6 7 8 9
    Fuel Pump Control Unit › Component Information › Locations
    Fuel Pump Relay › Component Information › Locations › Relay Arrangements And Circuit Breakers On Relay Panel Below Instrument Panel, Left2 3 4
  - Fuel Rail › Component Information › Locations2
  - Fuel Supply Line › Component Information › Technical Service Bulletins5 pages
    All Technical Service Bulletins: › NHTSA10V621000 › Dec › 10 › Recall 10V621000: Fuel Supply Line Replacement
    Recalls: › NHTSA10V621000 › Dec › 10 › Recall 10V621000: Fuel Supply Line Replacement
    All Other Service Bulletins for Fuel Supply Line: › 9009-01 › Aug › 09 › Instruments - No Menu Using Steering Wheel Buttons2 3
    All Other Service Bulletins for Fuel Supply Line: › 9009-01 › Aug › 09 › Instruments - No Menu Using Steering Wheel Buttons
  - Fuel Tank › Fuel Gauge Sender › Component Information › Service Precautions2 3
  - Fuel Tank Unit › Component Information › Tools and Equipment
  - Main Relay (Computer/Fuel System) › Component Information › Locations › Motronic Engine Control Module (ECM) Power Supply Relay J2712 3 4
  - Oil Pressure Switch (For Fuel Pump) › Component Information › Testing and Inspection
  - Relays and Modules - Fuel Delivery and Air Induction12 pages
    Fuel Pump Control Unit › Component Information › Locations
    Fuel Pump Relay › Component Information › Locations › Relay Arrangements And Circuit Breakers On Relay Panel Below Instrument Panel, Left2 3 4
    Main Relay (Computer/Fuel System) › Component Information › Locations › Motronic Engine Control Module (ECM) Power Supply Relay J2712 3 4
    Variable Induction Control Module › Component Information › Service and Repair2 3
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Accelerator Pedal Position Sensor › Component Information › Testing and Inspection2 3 4
    Air Flow Meter/Sensor › Component Information › Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Oil Pressure Switch (For Fuel Pump) › Component Information › Testing and Inspection
    Throttle Position Sensor › Component Information › Locations › Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G1872
  - Throttle Position Sensor › Component Information › Locations › Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G1872
  - Variable Induction System › Variable Induction Control Module › Component Information › Service and Repair2 3
- Ignition System33 pages
- Glow Plug System › Glow Plug › Component Information › Service and Repair2
- Transmission Control Systems27 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Interlock Solenoid › Component Information › Locations
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T › Control Module, A/T › Component Information6 pages
    Technical Service Bulletins4 pages
    Customer Interest for Control Module: › 3808-01 › Oct › 08 › A/T - 'PRNDS' Indicator ON/DTC's Set/Emergency Mode2
    All Technical Service Bulletins for Control Module: › 3808-01 › Oct › 08 › A/T - 'PRNDS' Indicator ON/DTC's Set/Emergency Mode2
    Locations › J217 Transmission Control Module2
  - Sensors and Switches - Transmission and Drivetrain20 pages
    Sensors and Switches - A/T18 pages
    Fluid Pressure Sensor/Switch, A/T › Component Information › Locations
    Transmission Position Switch/Sensor, A/T › Component Information › Locations2 3 4 5 6 7 8 9
    Transmission Speed Sensor, A/T › Component Information7 pages
    Locations › 09G Transmission (6 Speed A/T)2 3
    Service and Repair › Transmission Input Speed Sensor2 3 4
    Transmission Temperature Sensor/Switch, A/T › Component Information › Locations
    Sensors and Switches - M/T › Clutch Pedal Position Sensor / Switch › Component Information › Service and Repair2
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins › Computers/Controls - Software Version Management Info.2 3 4 5 6
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