Fault Code Guide

Connector B7 Dash Harness Pinouts
Connector Pin Signal Name Signal Type
B7-A11 Smart Switch 5 ID 2 Analog Input
B7-A12 Smart Switch Battery Power Digital Output
B7-B1 Smart Switch 1 ID 1 Analog Input
B7-B2 Smart Switch 1 ID 2 Analog Input
B7-B3 Smart Switch 1 Input Analog Input
B7-B4 Smart Switch 1 Indicator Digital Output
B7-B5 Smart Switch 2 ID 1 Analog Input
B7-B6 Smart Switch 2 ID 2 Analog Input
B7-B7 Smart Switch 2 Input Analog Input
B7-B8 Smart Switch 2 Indicator Digital Output
B7-B9 Ground Signal Ground
B7-B10 Smart Switch 5 Indicator Digital Output
B7-B11 Smart Switch 5 Input Analog Input
B7-B12 — —
Table 7, Connector B7 Dash Harness Pinouts
Power Supply Fuses and Associated Outputs for the Bulkhead Module
BHM Power Input
BHM Power
Input Pin
Fuse Supplying BHM
Power Input
BHM Outputs Supplied BHM Output Pin
Power In Power Out
VBAT1 B3.D Fuse 22 (30A) Battery (dome lamps) B5.A
Battery (smart switches) B7.A12
Ignition (VCU) B6.A8
Ignition (engine) B2.K
Ignition (ABS) B1.P
Ignition (trans) B2.L
Fuel Water Sensor Power B1.F
Dome Lamps Switched B5.B
Left Low Beam B1.R
A/C Clutch B2.M
Smart Switch 1 Indicator B7.B4
Smart Switch 2 Indicator B7.B8
Smart Switch 3 Indicator B7.A5
Smart Switch 4 Indicator B7.A9
Smart Switch 5 Indicator B7.B10
Battery (smart switch) B7.A12
Bulkhead Module 54.12
Specifications
Business Class M2 Workshop Manual, Supplement 10, September 2006400/6