Control module bus inputs

Fig 1: Identifying Control Module Bus Inputs

Courtesy of SAAB-SCANIA OF AMERICA, INC.

• Maximum permissible torque, bus from TCM (502)
• Sport position selected, bus from TCM (502)
• Selector lever position, automatic transmission, bus from TCM (502)
• Vehicle speed, rear left wheel, bus from MIU (540)
• Reverse gear selected, manual gearbox, bus from DICE (628)
• A/C request, bus from DICE (628)
• A/C pressure, high-pressure side, bus from DICE (628)
• Current consumption, bus from DICE (628)
• Brake lights, bus from TWICE (632)
• Fuel level, bus from MIU (540)
• CHECK ENGINE Request, bus from TCM (502)
• Speed, bus from TC/ABS
• Maximum permitted torque, bus from TC/ABS
• Immobilizer, bus from TWICE (632)
• Ignition +50, bus from DICE (628)
• Diagnostics, bus from DICE (628)/ diagnostic tool

More detailed information on control module bus inputs can be found in the section on bus communication, see BUS COMMUNICATION