audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Test data, spark plugs > < Removing and installing parts of the ignition system
Motronic injection and ignition system (4-cyl.)
Servicing ignition system
Safety precautions

To prevent injuries to persons and/or damage to the fuel injection and ignition system, the following must be noted:

  • ◆ Do not touch or disconnect ignition wiring when the engine is running or being turned at starter speed.
  • ◆ The ignition must be switched off before connecting or disconnecting injection or ignition system wiring or tester cables.

Observe following if test and measuring instruments are required during a test drive:

  • ◆ Test and measuring instruments must be secured to rear seat and operated by a 2nd person from this location.
  • If test and measuring instruments are operated from front passenger's seat and the vehicle is involved in an accident, there is a possibility that the person sitting in this seat may receive serious injuries when the airbag is triggered.
  • ◆ If the engine is to be turned at starter speed, without starting:
 
N28-0175
  • ‒ → Pull 4 pin connector off ignition transformer -arrow-.

  • ‒ Remove fuse 32 from fuse holder.

Note:

Removal of fuse 32 interrupts the voltage supply to the injectors.

Test data, spark plugs > < Removing and installing parts of the ignition system