1.8L - Turbo Fuel Injection & Ignition, Engine Code(S): AWP

• 01 On Board Diagnostic (OBD)
  • On Board Diagnostic (OBD)
    • On Board Diagnostic (OBD), technical data
    • Malfunction Indicator Lamp (MIL) -K83- in instrument cluster
    • Malfunction Indicator Lamp -K83, testing
    • Safety precautions
    • Vehicle diagnostic, testing and information system VAS 5051, connecting and selecting functions
  • Diagnostic Trouble Code (DTC) memory, checking and erasing
    • Diagnostic Trouble Code (DTC) memory, checking (function 02)
    • Diagnostic Trouble Code (DTC) memory, erasing (function 05)
    • End Output (function 06)
    • Diagnostic Trouble Code (DTC) table
    • DTCs P0011 to P1216, VAG 16395 to 17624
    • DTCs P1225 to P3081, VAG 17633 to 19537
  • Output Diagnostic Test Mode (function 03)
    • Output Diagnostic Test Mode (function 03)
  • Basic Setting (function 04)
    • Basic Setting (function 04)
  • Code Control Module (function 07)
    • Code Control Module (function 07)
    • Coding table
  • Read Measuring Value Block (data block) (function 08)
    • Read Measuring Value Block (data block) (function 08)
  • Readiness code
    • Readiness code
    • Read readiness code
    • Generate readiness code
• 24 Multiport Fuel Injection (MFI)
  • Injection system, servicing
    • Safety precautions
    • Rules of cleanliness
    • Technical data
    • Component locations overview
      • Notes
      • Installation location of recirculating valve for turbocharger -N249- and Secondary Air Injection (AIR) solenoid valve -N112-
      • Installation location of accelerator position senders -G79- and -G185-
      • Installation location of oxygen sensors and connector cover
      • Color coding of oxygen sensor connectors
      • Installation locations of 3-pin connectors
      • Installation location of brake light switch -F- and brake pedal switch (cruise control/diesel direct fuel injection -F47-
      • Installation location of clutch vacuum vent valve switch -F36-
      • Installation location of pressure switch/power steering -F88-
      • Installation location of Motronic Engine Control Module (ECM) Power Supply Relay -J271- and Secondary Air Injection (AIR) Pump Relay -J299-
    • Air cleaner, disassembling and assembling
    • Wiring and component check using test box VAG 1598/31
    • Procedure after voltage supply open circuit
    • Engine Control Module (ECM) (without metal anti-theft housing), replacing
      • Notes
      • Removing
      • Installing
    • Engine Control Module (ECM) (with metal anti-theft housing), replacing
    • Idle speed, testing
      • Notes
      • If the idling speed is too high or too low and there are no faults recorded in the Diagnostic Trouble Code (DTC) memory, carry out the following tests (marked with dots):
    • System pressure, fuel pressure regulator and holding pressure, checking
    • Fuel injectors, testing
    • Fuel rail with injectors, disassembling and assembling
    • Fuel injectors, removing and installing
      • Removing:
      • Installing
      • Tightening torque
    • Fuel injector leakage, injection quantity and spray pattern, checking
    • Fuel Pump (FP) Relay -J17-, testing and activating
      • Notes
      • Testing operation of fuel pump relay
      • Testing voltage supply to fuel pump relay
      • Testing activation of fuel pump relay
      • Testing voltage supply to fuel pump and other components
    • Mass Air Flow (MAF) sensor -G70-, testing
      • Notes
      • Testing power supply to mass air flow sensor
      • Testing wiring for mass air flow sensor
    • Intake air system, checking for leaks (unmetered air)
  • Oxygen sensor control, testing
    • Oxygen sensor and oxygen sensor control (before catalytic converter), testing
      • Notes
      • Testing oxygen sensor learned values and oxygen sensor control
      • Further notes
      • Testing basic voltage
      • Testing oxygen sensor wiring
    • Oxygen sensor aging (before catalytic converter) testing
      • Notes
      • Further notes
    • Oxygen Sensor (O2S) Heater -Z19- (before catalytic converter), testing
      • Notes
      • Testing voltage supply for oxygen sensor heating
    • Oxygen sensor and oxygen sensor control (after catalytic converter), testing
      • Notes
      • Testing oxygen sensor control (after catalytic converter)
      • Testing basic voltage
      • Testing oxygen sensor wiring
    • Oxygen sensor (O2S) heater 1 -Z29- (after catalytic converter), testing
    • Oxygen sensor, removing and installing
  • Evaporative emission (EVAP) canister purge regulator valve, testing
    • Evaporative emission (EVAP) canister purge regulator valve -N80-, testing
      • Notes
      • Testing for leaks
      • Testing internal resistance
      • Testing voltage supply
      • Checking activation
  • Electronic engine power control (electronic throttle), testing
    • Operation of electronic throttle system
    • Electronic throttle warning lamp in instrument cluster
    • Electronic Power Control (EPC) warning lamp -K132-, testing
    • Throttle valve control module -J338-, testing
    • Throttle valve control module, adaptation
      • Notes
      • If the adaptation process is interrupted by the control module, the cause could be one of the following:
    • Throttle valve, checking for soiling
      • Notes
      • Checking oxygen sensor adaptation values and control
      • Work sequence
    • Throttle valve control module, cleaning
    • Angle sensors for throttle drive, testing
      • Notes
      • Test sequence
      • Testing voltage supply to throttle valve control module
      • Testing wiring
    • Accelerator position sensors, testing
      • Notes
      • Test sequence
      • Testing voltage supply to accelerator position senders
      • Testing wiring
    • Brake light switch and brake pedal position switch, testing
    • Clutch vacuum vent valve switch -F36-, testing
      • Notes
      • Test sequence
      • Testing switch
      • Testing voltage supply
      • Checking activation
  • Auxiliary signals, testing
    • Auxiliary signals, testing
    • Engine speed (RPM) signal, checking
    • Vehicle speed signal, testing
    • Air conditioner compressor shut-off, testing
    • Pressure switch/power steering -F88-, testing
      • Notes
      • Test sequence
      • Testing wiring
    • Crash signal wiring, testing
    • Fuel consumption signal for on-board computer, testing
    • Fuel level signal wiring, testing
    • Data exchange between engine control module and other control modules with CAN-bus interface, testing
  • Vacuum system layout
    • Vacuum system layout
• 28 Ignition/Glow plug system
  • Ignition system, testing
    • General notes on ignition system
    • Safety precautions
    • Technical data
    • Ignition coils with power output stages, testing
      • Notes
      • Test sequence
      • Testing Ground connections
      • Checking voltage supply
      • Testing activation of power output stages
    • Motronic Engine Control Module (ECM) power supply relay -J271-, testing
      • Notes
      • Test sequence
      • Checking voltage supply
      • Checking activation
    • Intake air temperature (IAT) sensor -G42-, testing
      • Notes
      • Test sequence
      • Checking wiring connections
      • Testing sender
    • Engine speed (RPM) sensor -G28-, testing
    • Engine coolant temperature (ECT) sensor -G62-, testing
    • Voltage supply for control module, testing
    • Knock sensor control limit, testing
    • Knock sensors, testing
    • Camshaft Position (CMP) sensor -G40-, testing
    • Misfiring recognition, checking
      • Notes
      • Testing misfiring recognition of each cylinder