volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Safety precautions > < Motronic injection and ignition system
Motronic fuel injection and ignition system ä 07.95
Motronic injection and ignition system
Servicing ignition part

Notes:

  • ◆ Only the components which specifically relate to the ignition system are dealt with here. For the other components of the injection and ignition system.

=> Repair group 24

  • ◆ The injection and ignition system control unit is equipped with self diagnosis.
  • ◆ Components marked with a * are checked via the self diagnosis.
  • ◆ Interrogate fault memory before carrying out repairs and fault finding, , interrogating and erasing fault memory

Safety precautions

Test data, spark plugs => Page 28-6

 
N28-0020

Note:

Motronic control unit (J220)* with connector => Page 24-9 , item. 16 .

  • H.T. cable
    • ◆ Check for continuity
  • Suppressor
    • ◆ 0.6...1.4 kω
  • Terminal 1
  • Terminal 15
  • Ignition transformer output stage (N157)*
  • 10 Nm
  • Ignition transformer (N152)
 
N28-0020
  • Connector
    • ◆ 3 pin
  • Earth strap
  • Knock sensor 1 (G61)*
  • 20 Nm
    • ◆ Tightening torque influences the function of the knock sensor
  • Spark plug connector
    • ◆ Use 3277 when pulling off and pressing on
    • ◆ 4...6 kω
  • Spark plug, 30 Nm
    • ◆ Remove and install with 3122B
    • ◆ Type and electrode gap
      => Page 28-6 , test data, spark plugs
  • 25 Nm
  • Clamp
 
N28-0020
  • O ring
    • ◆ Renew if damaged
  • Distributor with Hall sender (G40)*
    • ◆ Installing => Page 28-7
    • ◆ Checking Hall sender
      => Page 28-14
  • Dust cap
  • Rotor arm
    • ◆ Marking: R1
    • ◆ 0.6...1.4 kω
  • Distributor cap
    • ◆ Check for cracks and signs of tracking
    • ◆ Check contact wear
    • ◆ Clean before fitting
    • ◆ Check carbon brush for wear and freedom of movement
  • Screening cap

Safety precautions > < Motronic injection and ignition system