Diagnostic Readout Box

1-4 Not used
5 voltage supply, circuit 30
6-3 Not used
9 Coding
10-24 Not used
25 Ground (W16)
26 voltage supply, circuit 87
27 Diagnostic wire attest connection Xi 114
28 "CHECK ENGINE" malfunction indicator lamp
29 Coding
30 Coding
31-32 Not used
33 Diagnostic wire at test connection Xi 1121
34-38 Not used

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