Control module bus inputs

Fig 1: Identifying Control Module Bus Inputs

Courtesy of SAAB-SCANIA OF AMERICA, INC.

• Engine speed (600/608)
• ENGINE TORQUE  (600/608)
• Pedal position (600/608)
• Current gear ratio

  On automatic transmissions, the value from TCM is given

  On automatic gearboxes, the value is calculated by the engine management system

See SYSTEM WIRING DIAGRAMS , BUS AND DIAGNOSTICS COMMUNICATION .