Electronic Engine Controls (From July 1987)

Electronic engine controls - Scirocco (except 16v) from July 1987

Diagrams By Track Number

Tracks 1-14:

Tracks 15-24:

Tracks 25-32:

Tracks 33-43:

Fuse & Relay Panel:

Description Current Track
2-way idle speed boost valve 17
Alternator 1-3
Auxiliary air regulator 35
Battery 4
Cold start enrichment relay 18,19
Cold start enrichment vacuum switch 25
Cold start valve 19
Control pressure regulator 34
Fuel enrichment switch 27
Fuel gauge sending unit 40
Fuel injection power supply relay 30-32
Fuel pump 38
Fuel pump relay 37,38
Hall generator 9-11
Hot pulse relay 22,23
Idle boost control unit 16,17
Ignition coil 12-14
Ignition control unit 8-13
Ignition distributor 12-14
Junction box 35-43
OXS control unit 27-30
OXS frequency valve 31
OXS thermoswitch 26
Oxygen sensor 28,29
Resistor 31
Spark plug connectors 12-14
Spark plugs 12-14
Starter 6,7
Thermo time switch 20,21
Transfer fuel pump 39
Voltage regulator 1-3

Wire connectors
T1 - single, behind fuse/relay panel
T1a - single, near ignition coil
T1b - single, behind fuse/relay panel
T1d - single, near ignition coil
T2h - double, behind fuse/relay panel
T2m - double, in engine compartment, right
T2w - double, near valve cover
T2x - double, behind fuse/relay panel
T2z - double, behind fuse/relay panel
T14 - fourteen-point, on instrument cluster

Ground connections
1 - ground strap, battery to body
10 - in plenum
15 - on cylinder head
16 - on valve cover
24 - on cold start valve
30 - beside fuse/relay panel
90 - in fuel injection wiring harness