volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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

Golf Mk4

Safety precautions
Safety precautions
To prevent injuries to persons and/or damage to the injection and ignition system, the following must be observed:
t  Do not touch or pull off ignition wiring when engine is running or turning at starter speed.
t  Switch off ignition before connecting or disconnecting injection and ignition system wiring as well as test instrument cables.
t  If engine must turn at starter speed without starting:
   
–  Pull 6-pin connector off ignition coils with output stage -arrow-.
  N28-10027
–  Remove fuse no. 32 from fuse holder.
  Note
Fuse No. 32 is removed to interrupt power supply to injectors.
Observe following if test and measuring instruments are required during a test drive:
t  Test and measuring instruments must be secured to rear seat and operated by a second person from this location.
If test and measuring instruments are operated from front passenger seat and the vehicle is involved in an accident, it is possible that the person sitting in this seat may receive serious injuries when the airbag is triggered.
–  After completing work, erase fault memory of engine control unit because removing the fuse caused a fault to be saved → Chapter.
  N24-0588

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