Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
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3) Measurement analysis
Interface A
Interface K
Definition for ECU pins of EDC17 control system:
Terminal
No.
Description
Terminal
No.
Description
Interface A
A01 High fuel injector of 3
rd
cylinder A31 Low fuel injector of 2
nd
cylinder
A02 High fuel injector of 2
nd
cylinder A32
A03 A33 Low fuel injector of 4
th
cylinder
A04 Power supply of EGR actuator A34
A05 A35 Earthing of camshaft position sensor
A06 5V power supply of rail pressure sensor A36
A07 5V power supply of absolute pressure sensor A37 High coolant temperature signal
Outlet
Outlet
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