Digifant I- California

Digifant I was developed by Volkswagen to answer growing smog regulations in the state of California (and thus, was only sold there). It had EGR capability, and fault memory and diagnosis built-in. It has a coil with a power stage, and no separate ignition control unit. It has individual control of the injectors (though they are still batch fired), and a throttle potentiometer for full throttle sensing capability, rather then just idle/WOT switches.

The G60 version uses a CO potentiometer rather then a Mass Airflow sensor (also a different ECU is used, but the connectors are the same).
A2Resource > Electrical Systems > Management > Digifant I Pinout

Digifant I Engine Controller:

Pin Function 1991-1992 Golf and Jetta 1991-1992 Corrado G60
1 Ground Brown Brown
2 Injector 4 Brown/White Brown/White
3 Injector 3 Brown/Blue Brown/Blue
4 Check Engine Light Yellow/Black Yellow/Black
5 - - -
6 Ignition Coil Power Stage Green/Black Green/Black
7 Power from Control Unit Relay - Black/White
8 Knock Sensor shield Black/Yellow Black/Yellow
9 Oxygen Sensor Shield Black Black
10 CO Potentiometer
 - Green
11 Coolant Temperature Sensor Brown/Red Brown/Red
12 - - -
13 Airflow Sensor Potentiometer Blue/Red -
14 A/T Controller
 - Yellow/Red
15 Airflow Sensor Potentiometer Blue/Black -
16 Oxygen Sensor Violet Violet
17 Diagnostic L-Line (code switch) Yellow Yellow
18 Tachometer signal to cluster - Black/Green
19 Power from Control Unit Relay Black/Yellow Black/Yellow
20 Injector 1 Brown/Yellow Brown/Yellow
21 Injector 2 Brown/Red Brown/Red
22 - - -
23 Idle Stabilizer Valve Black/Yellow Black/Yellow
24 Fuel Pump Red/Yellow Red/Yellow
25 Starter Power Red/Green Red/Green
26 - - -
27 Knock Sensor Yellow Yellow
28 Ground for sensors Brown/White Brown/White
29 Knock Sensor Black Black
30 Intake Air Temperature Sensor Blue/White Blue/White
31 - - -
32 A/C compressor signal Green Green
33 Throttle Potentiometer Yellow/Red Red/Blue
34 Throttle Potentiometer Blue Blue/Green
35 Ground Brown Brown
36 Diagnostics K-Line (code reader) Gray/White Gray/White
37 Distributor pin 2 (hall sender) Green/White Green/White
38 Distributor pin 3 (positive) Red/Black Red/Black