Power supply, ground and bus communication

PIN SIGNAL DESCRIPTION CHART

Pin	Type of signal	Description
1	+30	Power supply
2	Pulse	Speed signal
4	I-bus	Signal to/from other control modules
5	P-bus+	Signal to/from other control modules
6	P-bus-	Signal to/from other control modules
7	Power ground	Power supply
18	+B	Signal
19	I-bus	Signal to/from the data link connector
20	I-bus	Signal to/from other control modules
21	P-bus+	Signal to/from the data link connector
22	P-bus-	Signal to/from the data link connector
23	+15	Signal

Fig 1: Power Supply Ground And Bus - Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram, power supply

Fig 2: Power Supply - Wiring Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram, steering wheel contact unit, airbag

Fig 3: Steering Wheel Contact Unit And Airbag - Wiring Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram, steering wheel contact unit, horn/switch

Fig 4: Steering Wheel Contact Unit And Horn/Switch - Wiring Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.