Diagnostic Module Terminal Layout

1 Ground, module box bracket
2 Ground bridge, coding
3 Voltage supply, circuit 87
4 Voltage supply, circuit 30
5 Diagnostic wire at diagnostic connector X11/21
6 Diagnostic wire at diagnostic connector X11/4
7 Ground, coding (model 124.034)
8 Ground, coding (model 124.036)
9 "CHECK ENGINE" malfunction indicator lamp

L Data line (-) Controller Area Network (LH-SFI control module, ignition control module, electronic accelerator/cruise control/idle speed control module, ABS/ASR control module)
H Data line(+) Controller Area Network (LH-SFI control module, ignition control module, electronic accelerator/cruise control/idle speed control module, ABS/ASR control module)