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Home >> Audi >> 2002 >> A4 Base, 3.0 T >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (1.8L - Ignition/Glow Plug System, Generic Scan Tool, Engine Code(S): AMB) >> Ignition/Glow plug system >> Ignition system, checking >> General notes on ignition system

General notes on ignition system

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Safety precautions before disconnecting battery:

    See BATTERY DISCONNECT PRECAUTIONS .

  • The battery must only be disconnected and connected with the ignition switched off, since the Engine Control Module (ECM) can otherwise be damaged.