Description & Operation: Notes

All braking and straight line traction control features and system communication carry over from DSC II. Based on select high/select low logic, DSC III control module selects a vehicle stabilizing strategy based on specific input signal values it is monitoring at moment. For all DSC strategies this begins with engine intervention to reduce torque:

• For 750iL this is handled via CAN communication, DSC III to EML to minimize throttle angle of DK motors. For 740iL and 540iA this is handled by direct DSC III activation of ADS II Throttle housing.
• If additional torque reduction is necessary, DSC III informs DME over CAN to:
  • Retard Ignition Timing
  • Shut down fuel injection to individual cylinders.