Connector 1

1 Not used
2 Cruise control switch (control switch contact)
3 Starter lock-out/backup lamp switch, "D" recognition
4 Starter lock-out/backup lamp switch, "D" recognition
5 Data link connector (DTC readout), 38-pole
6 Not used
7 Fuel safety shut-off (LH-SFI control module signal)
8-9 Not used
10 Cruise control switch (SET, DECEL.)
11 Cruise control switch (SET, DECEL.)
12 Rear axle speed sensor, ABS control module
13 Brake lamp switch (ground)
14 Not used
15 Left front wheel speed sensor, ABS control module
16 A/C compressor input signal (base module)
17 Do not contact
18-23 Not used
24 Closed throttle position recognition (LH-SFI control module)
25-29 Not used
30 Brake lamp switch
31 Cruise control switch (SET, RESUME)
32 Diode matrix, idle speed increase (only model 140 with engine 119)
33 Cruise control switch
34 Engine speed signal (base module)
35 Voltage supply, un-fused circuit 87 Ug (base module)
36 Voltage supply, un-fused circuit 87 Ug (base module)
37 Model 140: Ground W15, output ground, electronics (right footwell)
Model 124: Ground W16, component compartment

38 Model 140: Ground W15, output ground, electronics (right footwell)
Model 124: Ground W16, component compartment

"L" Data line (-) Controller Area Network
"H" Data line(+) Controller Area Network