33
SSP/198/15
Subsystems of the Motronic
Making allowance for efficiency and the
emissions standards, the engine control unit
coordinates the external and internal requests
and meets them by adjusting the available
control variables accordingly.
Torque-oriented engine
management
The Motronic ME 7.1 has a torque-
oriented functional structure.
This is made possible by the new
electronic accelerator function.
Internal torque requests
External torque requests
• Starting
• Idling speed control
• Catalytic converter
heating
• Power limiter
• Driving comfort
• Components
protection
• Engine governing
• Driver inputs
Throttle valve
angle
Charge pressure
Ignition angle
Injection cut-out
Injection time
Control variables
influencing torque
• Driving
dynamics
• Driving
comfort
• Cruise control
system
Coordination of
torque and
efficiency requests
in engine control
unit
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