Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Audi >> 2002 >> A4 Base, 3.0 T >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (1.8L - Ignition System, Engine Code(S): AMB) >> Ignition System >> Ignition system, checking >> Motronic Engine Control Module (ECM) power supply, checking >> Test requirements:

Test requirements:

WARNING: This page is about a different variant/trim than selected.
  1. Fuses for engine electronics OK

    See appropriate System Wiring Diagrams article.

  2. Battery voltage at least 12.7 V
  3. Alternator OK