ENGINE ELECTRICAL SYSTEM
KYRON 2006.09
1491-01ENGINE ELECTRIC DEVICES
The engine ECUs are various according to the engine model (D20DT engine, D20DT (EURO4)
engine). For the D20DT (EURO4) engine, one connector is added to the engine ECU (2
connectors total) to control the additional sensor, actuator and exhaust gas control function.
For the D20DT (EURO4) engine, the connector pin is added and DTC is changed as the
following components are added. the functions of engine ECU pin for D20DT (EURO4) engine
and D20DT engine are not same. For more details, refer to the respective section.
It is electrically controlled by the ECU for precise control. Old version was controlled by the
vacuum modulator.
It is electrically controlled by ECU as E-EGR valve.
The glow control relay (K-line communication with engine ECU) is deleted. The unit
communicates via CAN communication with engine ECU. Also, the number of pins is
increased as glow plug's performance has been improved (1000 C increase in approx. 2
seconds).
Connector A Connector B
