volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Dismantling and assembling air cleaner > < General notes on injection

Passat (B3)

Motronic injection and ignition system (6-Cyl. engine)
Servicing injection system
Removing and installing parts of the injection system
 
N24-0090
  • Connector
    • ◆ Only disconnect or connect with ignition switched off
    • ◆ Release to disconnect
  • Motronic injection and ignition system control unit (J220)
    • ◆ Location: in plenum chamber, right
    • ◆ Checking voltage supply
    • ◆ Procedure after voltage supply open circuit => Page 24-111
    • ◆ Renew => Page 24-112
  • Securing plate
    • ◆ For Motronic control unit (J220)
 
N24-0090
  • Lambda probe 1 (G39)*, 50Nm
    • ◆ Location: In front exhaust pipe
    • ◆ Grease only the threads with "G5"; "G5" must not get into the slots on the probe body
    • ◆ Checking Lambda control
      => Page 24-93
    • ◆ 08.95 ▸probe heating voltage supply via fuel pump relay (J17)
    • ◆ Checking Lambda probe heating => Page 24-25
  • Coolant temperature sender (G62)*
    • ◆ Blue, 2-pin
    • ◆ For Motronic
    • ◆ Checking
    • ◆ If necessary release pressure in cooling system before removing
    • ◆ Resistance graph
      , Fig. 1
  • Retaining clip
    • ◆ Check seated securely
 
N24-0090
  • O ring
    • ◆ Renew if damaged
  • Connector
  • 10 Nm
  • Engine speed sender (G28)*
    • ◆ Fitting location: cylinder block intake side
    • ◆ Checking => Page 24-67
  • Spacer ring
  • Retainer
    • ◆ For Lambda probe and knock sensor 1 connector
  • 20 Nm
  • Connector
    • ◆ 4 pin
    • ◆ For Lambda probe and Lambda probe heating
    • ◆ Secured to rear engine mounting on right, in direction of travel

Dismantling and assembling air cleaner > < General notes on injection