Section 12 (3.0L - Ignition/Glow Plug System, Engine Codes: AVK, BGN)

• Ignition/Glow plug system
  • Ignition system, checking
    • General notes on ignition system
    • Safety precautions
    • Technical data for ignition system
    • Ignition coils with output stages, checking
      • Special tools and equipment
      • Test sequence
      • Test Ground connection
      • Checking power supply
        • Test requirements:
      • Checking actuation of power output stages
    • Motronic Engine Control Module (ECM) power supply relay -J271-, checking
      • Special tools and equipment
      • Test sequence
      • Checking power supply
      • Checking actuation
    • Engine speed (RPM) sensor -G28-, checking
      • Special tools and equipment
      • Test sequence
    • Intake Air Temperature (IAT) sensor -G42-, checking
      • Special tools and equipment
      • Test sequence
      • Checking wiring
    • Engine Coolant Temperature (ECT) Sensor -G62-, checking
      • Special tools and equipment
      • Test requirements:
      • Test sequence
    • Engine Control Module (ECM) power supply, checking
      • Special tools and equipment
      • Test requirements
      • Test sequence
    • Knock control stop, checking
      • Notes
      • Special tools and equipment
      • Test sequence
        • Notes
        • Evaluation of ignition angle retardation
    • Knock sensors, checking
      • Special tools and equipment
      • Testing knock sensor wiring
      • Checking wiring from knock sensors to engine control module
    • Camshaft Position (CMP) sensor, checking
      • Special tools and equipment
      • Checking actuation
      • Checking power supply
      • Checking signal wire
      • Checking ground wire
      • Checking wiring between CMP sensor and engine control module
      • Check phase position of CMP sensor
    • Misfire detection, checking
      • Special tools and equipment
      • Test sequence
      • Checking misfire recognition of the individual cylinder
      • Evaluating display groups 014, 015 and 016, Display field 3: