Fault Code Guide

Connector B3 Frontwall Harness Pinouts
Connector Pin Signal Name Signal Type
B3-G Washer Pump Digital Output
B3-H Wiper Motor Low Speed Digital Output
Table 3, Connector B3 Frontwall Harness Pinouts
Connector B4 Frontwall Harness Pinouts
Connector Pin Signal Name Signal Type
B4-A Air Filter Restriction/Spare #9 Digital Input
B4-B Starter Relay Digital Output
B4-C Ground Ground
B4-D Spare Digital Input 2 Digital Input
B4-E Right Heated Mirror (spare digital output) Digital Output
B4-F Left Heated Mirror (spare digital output) Digital Output
B4-G Main Battery Power (VBAT2) Power
B4-H Module Wake-Up Signal Digital Input/Output
B4-J — —
B4-K Main Battery Power (VBAT4) Power
B4-L Washer Fluid Level (spare digital input 8) Digital Input
B4-M Utility Light/Spotlight (spare digital output) Digital Output
Table 4, Connector B4 Frontwall Harness Pinouts
Connector B5 Dash Harness Pinouts
Connector Pin Signal Name Signal Type
B5-A Dome Lamps Battery Digital Output
B5-B Dome Lamps Switched Digital Output
B5-C Clearance Lamps (cab) Digital Output
B5-D Instrument Cluster Wake-Up Digital Output
B5-E Utility Light/Spotlight (spare digital output) Digital Output
B5-F Cigar Lighter Digital Output
B5-G Ignition Power, Other (spare digital output) Digital Output
B5-H Panel Lamps Digital Output
Table 5, Connector B5 Dash Harness Pinouts
Connector B6 Dash Harness Pinouts
Connector Pin Signal Name Signal Type
B6-A1 Ignition Switch Accessory Position Digital Input
B6-A2 Module Wake-Up Signal Digital Input
Bulkhead Module 54.12
Specifications
Business Class M2 Workshop Manual, Supplement 10, September 2006400/4