Page 547 - Foton Workshop Manual - Auman EST-M

Engine section – Engine (Cummins ISF3.8) EG - 31

IN
DTC code DTC definition DTC check condition Failed part

The voltage of remote accelerator • Remote accelerator pedal or joy stick DI
pedal or controlling rod position position sensor

133 sensor 1 circuit is higher than the Ignition switch at ON • Short circuit in Sensor 1 circuit and
EG
normal value or short to the high power supply

voltage power supply • Engine ECM
TR
• Remote accelerator pedal or joy stick
The voltage of remote accelerator
position sensor
pedal or controlling rod position
• The electric circuit of Sensor 1 is AX
134 sensor 1 circuit is lower than the Ignition switch at ON
short to the ground
normal value or short to the low
• Sensor connector in poor contact
voltage power supply FR
• Engine ECM

The voltage of engine coolant
• Coolant temperature sensor ST
temperature sensor 1 circuit is
• Short circuit in Sensor 1 circuit and
144 higher than the normal value or Ignition switch at ON
power supply
short to the high voltage power BR
• Engine ECM
supply
BW
The voltage of engine coolant • Coolant temperature sensor
temperature sensor 1 circuit is • The electric circuit of Sensor 1 is
145 lower than the normal value or Ignition switch at ON short to the ground EL
short to the low voltage power • Sensor connector in poor contact

supply • Engine ECM

The coolant temperature data is • Coolant temperature sensor
Ignition switch at ON and the
146 valid but higher than the normal • Cooling fan doesn’t work effectively
engine is running
working range • Engine ECM

The coolant temperature data is • Coolant temperature sensor

151 valid but higher than the normal Ignition switch at ON • Cooling fan

working range (maximum severity) • Engine ECM

The voltage of temperature sensor 1 • Intake manifold pressure sensor

circuit of intake manifold is higher • Short circuit in Sensor 1 circuit and
153 Ignition switch at ON
than the normal value or short to the power supply
high voltage power supply • Engine ECM
• Intake manifold pressure sensor
The voltage of temperature sensor 1
• Sensor connector in poor contact
circuit of intake manifold is lower
154 Ignition switch at ON • The electric circuit of Sensor 1 is
than the normal value or short to the
short to the ground
low voltage power supply
• Engine ECM

The temperature data of intake
• Intake manifold pressure sensor
manifold 1 is valid but higher than
155 Ignition switch at ON • EGR valve or its control circuit
the normal working range
• Engine ECM
(maximum severity)

EG-031