Ignition System, Generic Scan Tool - 4.2L - Art, Awn, BBD

• Ignition System
  • Ignition system, checking
    • General notes on ignition system
    • Safety precautions
    • Technical data, ignition
    • Ignition coils with power output stages, checking
      • Recommended special tools and equipment
      • Test requirement:
      • Work procedure
      • Checking Ground (GND) connections
      • Checking voltage supply
      • Vehicles without Motronic Engine Control Module (ECM) voltage supply relay -J271-:
      • Vehicles with Motronic Engine Control Module (ECM) voltage supply relay -J271-:
      • Checking activation of power output stages
      • Final procedures
    • Check knock sensors
      • Recommended special tools and equipment
      • Test requirement:
      • Checking knock sensor wiring
      • Check wires from knock sensors to Engine Control Module (ECM).
      • Final procedures
    • Check Camshaft Position (CMP) sensor
      • Notes
      • Test requirement:
      • Checking activation
      • Checking voltage supply
      • Checking signal wire
      • Checking Ground (GND) wire
      • Checking wire connections between Camshaft Position (CMP) sensor and Engine Control Module (ECM)
      • Final procedures