Jetta L4-1781cc 1.8L SOHC (ACC) Can (1995): 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 (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 L5-2.5L (CBTA) (2008), 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 Management49 pages
  - Relays and Modules - Computers and Control Systems24 pages
    Engine Control Module › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Relays and Modules - Fuel Delivery and Air Induction25 pages
    Fuel Pump Relay › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
- Sensors and Switches - Powertrain Management129 pages
  - Sensors and Switches - Computers and Control Systems89 pages
    Air Flow Meter/Sensor › Component Information12 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Coolant Temperature Sensor/Switch (For Computer) › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Intake Air Temperature Sensor › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Oxygen Sensor › Component Information15 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Testing and Inspection › Heated Oxygen Sensor (HO2S), Checking2 3
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information13 pages
    Technical Service Bulletins › Engine Controls - Throttle Position Sensor Replacement2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Sensors and Switches - Fuel Delivery and Air Induction27 pages
    Air Flow Meter/Sensor › Component Information12 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information13 pages
    Technical Service Bulletins › Engine Controls - Throttle Position Sensor Replacement2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Sensors and Switches - Ignition System13 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair2
- Tune-up and Engine Performance Checks19 pages
  - Fuel Pressure › System Information › Specifications
  - Idle Speed › System Information › Technical Service Bulletins3 pages
    By Symptom for Idle Speed: › NHTSA95E034000 › Aug › 95 › Recall 95E034000: Sticking Cruise Control Cable
    Recalls for Idle Speed: › NHTSA95E034000 › Aug › 95 › Recall 95E034000: Sticking Cruise Control Cable
    All Technical Service Bulletins for Idle Speed: › NHTSA95E034000 › Aug › 95 › Recall 95E034000: Sticking Cruise Control Cable
  - Fuel Filter › Component Information › Locations2 3 4 5
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Locations
  - Distributor, Ignition2 pages
    Distributor Cap › Component Information › Locations
    Ignition Rotor › Component Information › Locations
  - Spark Plug › Component Information › Specifications2
  - Compression Check › System Information3 pages
    Specifications
    System Diagnosis › Compression Test2
- Computers and Control Systems240 pages
  - Air Flow Meter/Sensor › Component Information12 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Intake Air Temperature Sensor › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Data Link Connector › Component Information › Locations
  - Engine Control Module › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Throttle Position Actuator <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Oxygen Sensor › Component Information15 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Testing and Inspection › Heated Oxygen Sensor (HO2S), Checking2 3
  - Relays and Modules - Computers and Control Systems24 pages
    Engine Control Module › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Sensors and Switches - Computers and Control Systems89 pages
    Air Flow Meter/Sensor › Component Information12 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Coolant Temperature Sensor/Switch (For Computer) › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Intake Air Temperature Sensor › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Oxygen Sensor › Component Information15 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Testing and Inspection › Heated Oxygen Sensor (HO2S), Checking2 3
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information13 pages
    Technical Service Bulletins › Engine Controls - Throttle Position Sensor Replacement2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Locations2
  - Throttle Position Sensor › Component Information13 pages
    Technical Service Bulletins › Engine Controls - Throttle Position Sensor Replacement2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
- Emission Control Systems › Canister Purge Control Valve › Component Information › Locations
- Fuel Delivery and Air Induction155 pages
  - Fuel Pressure › System Information › Specifications
  - Idle Speed › System Information › Technical Service Bulletins3 pages
    All Technical Service Bulletins for Idle Speed: › NHTSA95E034000 › Aug › 95 › Recall 95E034000: Sticking Cruise Control Cable
    By Symptom for Idle Speed: › NHTSA95E034000 › Aug › 95 › Recall 95E034000: Sticking Cruise Control Cable
    Recalls for Idle Speed: › NHTSA95E034000 › Aug › 95 › Recall 95E034000: Sticking Cruise Control Cable
  - Air Flow Meter/Sensor › Component Information12 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Fuel Filter › Component Information › Locations2 3 4 5
  - Fuel Injector › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Fuel Pressure Regulator › Component Information › Locations2 3
  - Fuel Pump14 pages
    Fuel Pressure › System Information › Specifications
    Fuel Pump Relay › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Fuel Supply Line › Component Information › Tools and Equipment
  - Fuel Tank › Fuel Gauge Sender › Component Information3 pages
    Locations
    Testing and Inspection › Fuel Level Sensor (G) With Adjusting Screw2
  - Fuel Tank Unit › Component Information › Tools and Equipment
  - Engine Speed (RPM) Limiter <--> [Engine Speed Governor] › Component Information › Testing and Inspection
  - Throttle Position Actuator <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Relays and Modules - Fuel Delivery and Air Induction25 pages
    Fuel Pump Relay › Component Information13 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Sensors and Switches - Fuel Delivery and Air Induction27 pages
    Air Flow Meter/Sensor › Component Information12 pages
    Technical Service Bulletins › Engine Controls - Silicone Sealer/Lubricant Precautions
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Locations2
    Throttle Position Sensor › Component Information13 pages
    Technical Service Bulletins › Engine Controls - Throttle Position Sensor Replacement2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Throttle Body › Component Information7 pages
    Locations › Mono-Motronic Throttle Body Fuel Injection (TBI) System2 3
    Service and Repair › Throttle Body, Upper Section2 3 4
  - Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Locations2
  - Throttle Position Sensor › Component Information13 pages
    Technical Service Bulletins › Engine Controls - Throttle Position Sensor Replacement2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
- Ignition System47 pages
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Locations
  - Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Distributor, Ignition2 pages
    Distributor Cap › Component Information › Locations
    Ignition Rotor › Component Information › Locations
  - Ignition Coil › Component Information16 pages
    Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Testing and Inspection › Ignition Coil Power Output Stage, Checking2 3
  - Sensors and Switches - Ignition System13 pages
    Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair2
  - Spark Plug › Component Information › Specifications2
- Transmission Control Systems83 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T14 pages
    Shift Interlock Solenoid › Component Information › Description and Operation2
    Shift Solenoid, A/T › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T18 pages
    Control Module, A/T › Component Information15 pages
    Locations › 096 Transmission2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Description and Operation › 01M Transmission2
    Transmission Position Relay, A/T › Component Information › Locations2 3
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T51 pages
    Brake Switch - TCC › Component Information › Locations2
    Downshift Switch, A/T › Component Information7 pages
    Locations
    Description and Operation › 096 Transmission2
    Adjustments › 096 Transmission2
    Service and Repair › 096 Transmission2
    Shift Interlock Switch › Component Information › Locations2
    Transmission Mode Switch, A/T › Component Information › Locations2 3
    Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Transmission Speed Sensor, A/T › Component Information14 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
    Service and Repair › 01M Transmission2
    Transmission Temperature Sensor/Switch, A/T › Component Information12 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11
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