Page 552 - Foton Workshop Manual - Auman EST-M

EG - 36 Engine section – Engine (Cummins ISF3.8)

DTC code DTC definition DTC check condition Failed part

• Pressure limiting valve
• Metering control unit
The injector metering oil rail 1 • Oil rail pressure sensor
554 pressure data is unstable, intermittent When engine running • High pressure oil pump
or not correct • Relevant connector in poor contact
or harness failure
• Engine ECM
• Pressure limiting valve

• Metering control unit
The metering oil rail pressure data of
• Oil rail pressure sensor
Injector 1 is valid but lower than the
559 When engine running • High pressure oil pump
normal working range (moderate
• Relevant connector in poor contact
severity level)
or harness failure
• Engine ECM

The voltage of starter motor relay • Battery
Ignition switch at ON and
drive circuit is higher than the normal • Driving circuit and power supply
584 pulse-width modulation (PWM)
value or short to the high voltage short
device powered on or open
power supply • Engine ECM
• Battery
The voltage of starter motor relay • Driving circuit is short to the
Ignition switch at ON and
drive circuit is lower than the normal ground
585 pulse-width modulation (PWM)
value or short to the low voltage • Relevant connector in poor contact
device powered on or open
power supply or harness failure
• Engine ECM

The voltage data of electric charging • Electrical generator
system is valid but higher than the • Pressure adjustor
596 Ignition switch at ON
normal working range (medium • Battery
severity) • Engine ECM

• Electrical generator
The voltage data of electric charging • Pressure adjustor
system is valid but lower than the • Battery
597 Ignition switch at ON
normal working range (medium • On-board high-current electric
severity) appliance
• Engine ECM

The voltage data of electric charging • Electrical generator
system is valid but lower than the • Pressure adjustor
598 Ignition switch at ON
normal working range (maximum • Battery
severity) • Engine ECM

EG-036