Power supply, ground and bus communication

Fig 1: Identifying Tire Pressure Monitoring Module Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Identifying Tire Pressure Monitoring Module Circuit Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

PIN CONNECTION SPECIFICATION

Pin	Connection
1	I-bus
2	Not used
3	+15
4	Ground, G33S
7	Signal detector front left (755FL), system ground
8	Signal detector front left (755FL), power supply
9	Signal detector front right (755FR), system ground
10	Signal detector front right (755FR), power supply
11	Signal detector rear right (755RR), system ground
12	Signal detector rear right (755RR), power supply