Volkswagen Golf Workshop Service & Repair Manuals

• Activated charcoal filter solenoid valve 1 (N80)*/**
• ◆ Activated charcoal filter system

=> Repair group 20; Activated charcoal filter system

• Intake manifold
• Upper part:
• ◆ Dismantling and assembling
• Lower part:
• ◆ Dismantling and assembling
• Throttle valve control part (J338)*
• Connector, 52-pin
• ◆ Only disconnect or connect with ignition switched off
• ◆ Release to disconnect

• Engine control unit*
• (Motronic control unit -J220)
• ◆ Checking voltage supply => Page 24-109
• ◆ Procedure after voltage supply open circuit => Page 24-112
• ◆ Renew => Page 24-114
• Connector, 28 pin
• ◆ Only disconnect or connect with ignition switched off
• ◆ Release to disconnect
• Secondary air inlet valve (N112)*/**
• ◆ Secondary air system:

=> Repair group 26; Secondary air system; Removing and installing parts of secondary air system

• Secondary air pump motor (J299)*/**
• ◆ Secondary air system:

=> Repair group 26; Secondary air system; Removing and installing parts of secondary air system

• Air mass meter (G70)* with intake air temperature sender (G42)*
• Air cleaner
• ◆ Dismantling and assembling => Page 24-13
• Connector
• ◆ Blue, 4 pin
• ◆ For coolant temperature sender (G62)
• Coolant temperature sender (G62)*
• Retaining clip
• ◆ Check securely seated
• Injectors (N30...N33)*/**
• ◆ Air shrouded
• Ignition coils (N, N128)
• ◆ With output stage (N122)
• ◆  , item 10

• Secondary air pump motor (V101)*
• ◆ Secondary air system:

=> Repair group 26; Secondary air system; Removing and installing parts of secondary air system

• 10 Nm
• 3 pin connector
• ◆ Grey for engine speed sender (G28)
• O ring
• ◆ Renew if damaged
• Engine speed sender (G28)*
• ◆ Inductive sender
• Knock sensor 2 (G66)*
• ◆ Brown connector
• ◆ => Page 28-3 , item 6
• Knock sensor 1 (G61)*
• ◆ Black connector
• ◆  , item 4
• Fuel pressure regulator

• 4 pin connector
• ◆ Black for Lambda probe 1 (G39) and Lambda probe heater (Z19)
• ◆ Right on underside of vehicle
• Lambda probe 1 before catalyst (G39)*, 50Nm
• ◆ Location: In front exhaust pipe
• ◆ Grease only the threads with "G5"; "G5" must not get into the slots on the probe body
• ◆ Probe heating voltage supply via fuel pump relay (J17)
• ◆ Checking Lambda probe heating before catalyst => Page 24-18
• ◆ Checking Lambda probe and Lambda regulation before catalyst
  => Page 24-88
• ◆ Checking Lambda probe ageing Lambda probe 1 => Page 24-102

• 4-pin connector
• ◆ Brown
• ◆ For Lambda probe 2 after catalyst (G130) and Lambda probe heating (Z29)
• ◆ Right on underside of vehicle
• Lambda probe 2 after catalyst (G130)*, 50 Nm
• ◆ Checking Lambda probe heating for Lambda probe after catalyst => Page 24-22
• ◆ Checking Lambda probe and Lambda regulation after catalyst => Page 24-95
• ◆ Location: In rear of catalyst
• Hall sender (G40)*
• ◆ => Page 28-3 , item 7