Page 551 - Foton Workshop Manual - Auman EST-M

Engine section – Engine (Cummins ISF3.8) EG - 35

IN
DTC code DTC definition DTC check condition Failed part

The data of fuel moisture indicator is • Fuel filter DI
418 valid but higher than the normal Ignition switch at ON • Fuel moisture sensor
working range (minimum severity) • Engine ECM
EG
The voltage of fuel moisture indicator • Fuel moisture sensor

sensor is higher than the normal value • Fuel moisture sensor circuit and power
428 Ignition switch at ON TR
or short to the high voltage power supply short

supply • Engine ECM
AX
• Fuel moisture sensor
The voltage of fuel moisture indicator
• Fuel moisture sensor circuit is short to
sensor is lower than the normal value FR
429 Ignition switch at ON the ground
or short to the low voltage power
• Sensor connector in poor contact
supply
• Engine ECM ST

• Battery
The circuit voltage data of battery is
Ignition switch at ON and • Electrical generator BR
441 valid but lower than the normal
the engine is running • Relevant harness or connector fault
working range (medium severity)
• Engine ECM BW

The circuit voltage data of battery is • Battery
Ignition switch at ON and
442 valid but higher than the normal • Electrical generator EL
the engine is running
working range (medium severity) • Engine ECM
• Pressure limiting valve
The injector metering oil rail 1
• High pressure oil pump
pressure data is valid but higher than
449 When engine running • Metering control unit
the normal working range (maximum
• Oil rail pressure sensor
severity)
• Engine ECM

The voltage of injector metering oil
• Oil rail pressure sensor
rail pressure 1 sensor is higher than
451 Ignition switch at ON • Sensor circuit and power supply short
the normal value or short to the high
• Engine ECM
voltage power supply

• Oil rail pressure sensor
The voltage of injector metering oil
• Sensor circuit short to the ground
rail pressure 1 sensor is lower than
452 Ignition switch at ON • Oil rail pressure sensor connector in
the normal value or short to the low
poor contact
voltage power supply
• Engine ECM
• Pressure limiting valve
The metering oil rail pressure data of
• Metering control unit
Injector 1 is valid but higher than the
553 When engine running • Oil rail pressure sensor
normal working range (moderate
• High pressure oil pump
severity level)
• Engine ECM

EG-035