Blue 32-pin connector
1 - → Terminal 15
2 - Brake pad wear
3 - Speedometer output 1
4 - Not used
5 - Fuel-gauge sender
6 - Tank warning OBD 2
7 - Terminal 31 (sensor earth)
8 - Coolant temperature
9 - Terminal 31 (load earth)
10 - Oil pressure 2 (high)
11 - Engine-speed signal
12 - Air conditioner shutoff
13 - Electronic throttle/glow period warning lamp
14 - Self-levelling suspension
15 - Terminal 58d
16 - Trailer turn signal indicator
17 - → Main beam
18 - Left turn signal indicator
19 - Not used
20 - Terminal 58s
21 - Driver's door contact
22 - Coolant low
23 - Terminal 30
24 - Terminal 31 (load earth)
25 - Consumption signal
26 - Right parking light
27 - Left parking light
28 - Speedometer input
29 - Brake
30 - S-contact
31 - Speedometer output 2
32 - ESP/TCS
Green 32-pin connector
1 - → Door contact (all doors)
2 - Transponder 1
3 - Not used
5 - W-wire
6 - Tailgate/boot lid
7 - Right turn signal indicator
8 - External buzzer
9 - External gong
10 - Airbag
11 - Standing time output
12 - Terminal 61
13 - Parking brake/BRAKE
14 - CHECK
15 - Oil level/oil temperature
16 - Not used
17 - → Transponder 2
18 - CAN high speed (drive) (high +)
19 - CAN high speed (drive) (low -)
20 - CAN high speed (drive) (screen)
21 - ABS
22 - CAN low speed (convenience) (high +)
23 - CAN low speed (convenience) (low -)
24 - CAN low speed (convenience) (screen)
25 - Bonnet
26 - Filler neck compartment lid
27 - Belt buckle
28 - K-wire
29 - Ambient temperature input
30 - Not used
31 - Selector lever position display
32 - Not used
Grey 32-pin connector
1 - → Menu switch
2 - Menu switch (out A)
3 - Menu switch (out B)
4 - Menu switch (enter)
5 - CAN high speed display (high +) ...
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