32 pin connector, blue:
1 – terminal 15 positive
2 – warning lamp for turn signal, right
3 – output signal 1 from speedo
4 – warning lamp for trailer towing
5 – fuel gauge
6 – airbag
7 – terminal 31, sender earth
8 – coolant temp gauge
9 – terminal 31, earth
10 – oil pressure switch
11 – vacant
12 – warning lamp for alternator, terminal 61
13 – backrest lock warning lamp (certain countries only)
14 – warning lamp for rear fog light
15 – vacant
16 – open tailgate/boot lid warning lamp (CCO)
17 – warning lamp for main beam, terminal 56a
18 – warning lamp for turn signal. left
19 – ABS
20 – dash panel insert illumination, terminal 58b
21 – signal for driver’s door open
22 – coolant shortage indicator
23 – terminal 30, positive
24 – terminal 31, earth
25 – self diagnosis/K-wire
26 – parking light right, signal for “lights on” warning buzzer
27 – parking light left, signal for “lights on” warning buzzer
28 – input signal to electronic speedo
29 – warning lamp for brake system
30 – S-contact
31 – Seat-belt warning system
32 – vacant2k2 model, Golf/Jetta (Bora) – euro:
32-pin, green:
1 – vacant
2 – reading coil for immo 1
3 – warning lamp for side lights
4 – data bus (CAN), screening for input signals
5 – W-wire
6 – washer fluid shortage
7 – brake pad wear
8 – vacant
9 – vacant
10 – vacant
11 – signal for vehicle stationary
12 – aircon system cut-off
13 – warning lamp for hand brake
14 – warning lamp for ASR/ESP
15 – vacant
16 – vacant
17 – reading coil for immo 2
18 – oil temp & level warning signals
19 – data bus (CAN), high input signal
20 – data bus (CAN), low input signal
21 – vacant
22 – bonnet switch input signal
23 – MFI call up button, top
24 – MFI call up button, bottom
25 – MFI memory switch – reset
26 – ambient temp input signal
27 – data bus (CAN), high output signal
28 – data bus (CAN), low output signal
29 – vacant
30 – vacant
31 – vacant
32 – vacant
20-pin, red:
1 – vacant
2 – vacant
3 – vacant
4 – vacant
5 – telematic shield earth
6 – vacant
7 – vacant
8 – vacant
9 – vacant
10 – vacant
11 – vacant
12 – radio/navigation – clock
13 – radio/navigation – data
14 – vacant
15 – radio/navigation – enable
16 – vacant
17 – vacant
18 – vacant
19 – vacant
20 – vacant