Page 559 - Foton Workshop Manual - Auman EST-M

Engine section – Engine (Cummins ISF3.8) EG - 43

IN
DTC code DTC definition DTC check condition Failed part

• Intake pre-heater DI
The voltage of engine intake heater 1 • Air intake heater circuit of Engine
Ignition switch at ON and start
circuit is lower than the normal value 1 is short to the ground
2556 the pulse-width modulation EG
or short to the low voltage power • Intake heater relay
(PWM) device
supply • Connector in poor contact
TR
• Engine ECM

• Coolant temperature sensor
AX
The coolant temperature data is valid • Cooling fan
Ignition switch at ON and the
2963 but higher than the normal working • Coolant not sufficient
engine is running
range (minimum severity) • Tank blocked FR
• Engine ECM
ST
The temperature data of intake
• Cooler radiation fin
manifold 1 is valid but higher than the Ignition switch at ON and the
2964 • Intake manifold temperature sensor
normal working range (minimum engine is running BR
• Engine ECM
severity)

• Urea pump assembly BW
The internal temperature of the urea Ignition switch at ON and the
2976 • Urea pump control circuit
pump is not reasonable engine is running
• Engine ECM
EL
The voltage of engine waste gas • Pressure sensor of engine exhaust

re-circulation outlet pressure sensor recirculation outlet
Ignition switch at ON and the
3136 circuit is higher than the normal value • Outlet pressure sensor circuit and
engine is running
or short to the high voltage power power supply short

supply • Engine ECM

• Pressure sensor of engine exhaust
recirculation outlet
The voltage of engine waste gas
• Outlet pressure sensor circuit is
re-circulation outlet pressure sensor is Ignition switch at ON and the
3137 short to the ground
lower than the normal value or short engine is running
• Outlet pressure sensor circuit
to the low voltage power supply
connector in poor contact

• Engine ECM

• Inlet temperature sensor
Inlet temperature sensor short to the
3142 Ignition switch at ON • Sensor short to the power supply
power supply or open
• Engine ECM

• EGP inlet temperature sensor
EGP inlet temperature sensor short to
3143 Ignition switch at ON • Sensor short to the ground
ground
• Engine ECM

EGP inlet and outlet temperature • EGP inlet temperature sensor
3144 Ignition switch at ON
difference too much • Engine ECM

EG-043