Engine Diesel Engines
• When the battery voltage/battery electrolyte temperature is high and/or the generator
load is low, the PCM controls the generator with a small duty cycle. As a result, a low
exciting current flows through the field coil and the generator outputs a low charging
voltage.
• When the battery voltage/battery electrolyte temperature is low and/or the generator load
is high, the PCM controls the generator with a large duty cycle. As a result, a high
exciting current flows through the field coil and the generator outputs a high charging
voltage.
Control System
• The control system of the vehicles with 2.0 MZR-CD engine has the following features:
– Powertrain control module with FEEPROM (Flash Electronically Erasable
Programmable Read Only Memory) has been introduced.
– Magneto resistive-type crankshaft and camshaft position sensor have been
introduced.
– Hall-type accelerator pedal position sensor has been introduced.
– Idle switch has been cancelled.
– Power steering pressure switch has been introduced.
Service Training Mazda6 Facelift 01-79
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