Electrical Diagrams

Electronic engine controls - 16-valve Scirocco

Diagrams By Track Number

Tracks 1-9:

Tracks 10-18:

Tracks 19-26:

Tracks 27-32:

Tracks 33-46:

Fuse & Relay Panel:

Description Current Track
Air flow sensor potentiometer 28,29
Alternator 1, 2
Battery 4
Cold start valve 8
Differential pressure regulator 26
Fuel gauge sending unit 38
Fuel pump 43
Fuel pump relay 41, 42
Hall generator 17, 18
Idle speed stabilizer valve 24, 25
Ignition coil 12-14
Ignition control unit 10-14
Ignition distributor 13-15
Knock sensor 19, 20
Knock sensor control unit 17-21
OXS control unit 19-32
Oxygen sensor 27
Oxygen sensor heater 44
Spark plug 13-15
Spark plugs 13-15
Starter 5, 6
Temperature sensor (NTC) 32
Thermo time switch 8, 9
Throttle-valve switch (enrichment) 22, 23
Transfer fuel pump 40
Up-shift-indicator control unit 34-37
Upshift switch, transmission 37
Upshift switch, vacuum 35
Voltage regulator 1,2

Wire connectors
T - wire distributor, under fuse/relay panel
T1a - single, eng. compart., near battery
T1b - single, under fuse/relay panel
T1c - single, eng. compant., near ign. coil
T1d - single, under fuse/relay panel
T1e - single, eng. compart., near ign. coil
T1f - single, eng. compart., near ign. coil
T1g - single, under fuse/relay panel
T2c - double, eng. compart., near ign. coil
T2d - double, eng. compart., near ign. coil
T2f - double, eng. compart., near master brake cylinder
T3a - three-point, eng. compant., near oil cooler
T3b - three-point, eng. compart., near throttle valve
T3c - three-point, in water tray
T3d - three-point, near brake master cylinder
T8 - eight-point, on transmission

Ground connections
1 - battery ground cable
8 on cylinder head
10 - near fuse/relay panel
15 - in front wiring harness
16 - in instrument panel wiring harness
25 - in CIS-E wiring harness