Page 557 - Foton Workshop Manual - Auman EST-M

Engine section – Engine (Cummins ISF3.8) EG - 41

IN
DTC code DTC definition DTC check condition Failed part

The data of post-treatment diesel oil • After-treatment diesel oil particulate DI
particulate filter is valid but higher filter
1981 When engine running
than the normal working range •Fault or wrong connection of relevant EG
(minimum severity) harness

• After-treatment diesel oil particulate TR
Engine running or exhaust
Post-treatment diesel oil particulate filter
1993 flow higher than the lowest
filter missed • After-treatment diesel oil particulate
value AX
filter pressure difference pipe fault

The voltage of engine ECM sensor FR
• Engine ECM sensor power supply 4
power supply 4 is higher than the
2185 Ignition switch at ON circuit and power supply short
normal value or short to the low
• Engine ECM ST
voltage power supply

• Engine ECM sensor power supply 4
The voltage of sensor power supply 4 BR
circuit is short to the ground
2186 is lower than normal value or short to Ignition switch at ON
• Sensor connector in poor contact
the low voltage power supply BW
• Engine ECM

• Engine ECM
EL
Ignition switch at ON and the
2271 Outlet NO x sensor message timeout • Urea level sensor
engine is running
• CAN bus system

Ignition switch at ON and the
2272 NO x emission exceeding OBD limit 1 • Urea level sensor
engine is running
2273 NO x emission exceeding OBD limit 2 Ignition switch at ON • Urea level sensor

• EGR valve pressure variable sensor
The voltage of waste gas recirculation
• EGR valve pressure variable sensor
valve pressure variable sensor is
2274 Ignition switch at ON circuit is short to the ground
lower than the normal value or short
• Sensor connector in poor contact
to the low voltage power supply
• Engine ECM

• High pressure oil pump

• Electric fuel injection control valve

Electric fuel injection control valve • Fuel pressure sensor
2311 When engine running
circuit failure • Oil rail pressure control valve

• Relevant harness or connector fault

• Engine ECM

EG-041