System overview, bus-connected components, cars with engine management system Trionic T7

Fig 1: Bus And Diagnostics Communication Diagram - Cars With Engine Management System Trionic T7 (Bus-Connected Components)

Courtesy of SAAB-SCANIA OF AMERICA, INC.

1. Trionic, engine management system (430b, 589b)
2. TCM, (Transmission Control Module) (502b)
3. P-bus (Powertrain bus)
4. MIU (Main Instrument Unit) (540)
5. I-bus (Instrument bus)
6. DICE (Dashboard Integrated Central Electronics) (628)
7. SID (Saab Information Display) (541)
8. Audio system, main unit (353)
9. ACC, (Automatic Climate Control) (216)
10. PSM, (Power Seat Memory) (357Dk)
11. TWICE, (Theft Warning Integrated Central Electronics) (632)
12. STC, (Soft Top Control) (565)
13. CDC (CD changer) (355)
14. TC/ABS (Traction Control) (382)