Page 553 - Foton Workshop Manual - Auman EST-M

Engine section – Engine (Cummins ISF3.8) EG - 37

IN
DTC code DTC definition DTC check condition Failed part

• Engine oil DI
Engine oil replacement interval status Ignition switch is placed • Filter
649
failure in "ON" position • Relevant harness fault
EG
• Engine ECM

• Crankshaft position sensor TR
• Crankshaft position sensor connector
The data of engine crankshaft
in poor contact or relevant harness fault
689 speed/position is unstable, intermittent When engine running AX
• Crankshaft position sensor signal
or incorrect
wheel failure
FR
• Engine ECM

The voltage of engine ECM internal
• Engine ECM relevant circuit and ST
temperature sensor is higher than the
697 Ignition switch at ON power supply short
normal value or short to the low voltage
• Engine ECM BR
power supply

The voltage of engine ECM internal
• Engine ECM relevant circuit is short to
temperature sensor is lower than the BW
698 Ignition switch at ON the ground
normal value or short to the low voltage
• Engine ECM
power supply
EL
The engine crankshaft position and
• Crankshaft position sensor
camshaft position sensors are not
• Camshaft position sensor
731 aligned to the crankshaft and camshaft. When engine running
• Engine crankshaft or Engine
The mechanical system does not
crankshaft camshaft
respond or is abnormal

• Camshaft position sensor
• Camshaft position sensor connector in
The data of engine camshaft position
poor contact
778 sensor is unstable, intermittent or When engine running
• Camshaft position sensor relevant
incorrect
circuit fault

• Engine ECM

• Battery

• Fuse

1117 No power when igniting Ignition switch at ON • Ignition switch

• Relevant connector or harness fault

• Engine ECM

The circuit voltage of accelerator pedal • Accelerator pedal or joy stick sensor

or joy stick position sensor 2 is higher • Short circuit in Sensor 2 circuit and
1239 Ignition switch at ON
than the normal value or short to the power supply
high voltage power supply • Engine ECM

EG-037