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Electrical Components
• Sensors
• Actuators
• ECM
• Glow Plug System
102
ElEctrical componEnts
103
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Components Overview
• The ECM uses information from the sensors
to decide which commands to send to the
actuators, and the glow plug system.
Sensors Overview
• The ECM sends a reference voltage (Vref) of 5.0 volts (external
power) to the pressure sensors and 5.0 volts (internal power)
to the temperature sensors, except for CMP and CKP which
generate voltage through the collapse of a magnetic field.
• The sensor signals are conditioned by the interface circuits within the
ECM. The signals are used as inputs to various control strategies.
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