volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Test data, spark plugs > < Removing and installing parts of the ignition system
Motronic inj. and ignition system (2-valve, roller rocker finger)
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:
  • ‒ Remove air cleaner , Fig. 3 .
 
N28-0175
  • ‒ → Pull 4 pin connector off ignition transformer -arrow-.
 
N24-1005
  • ‒ → Pull plug -arrows- off all injectors.

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