Page 465 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-319

DTC inspection
DTC DTC definition Trouble location
conditions
• Postprocessing
DPF outlet
Postprocessing diesel temperature sensor
particulate filter outlet
• Postprocessing 04
temperature - data is
DPF temperature
P3255 valid but above
sensor module and
normal operating its harness
range - medium
• Postprocessing
severity level
system
• ECM

• Postprocessing
• When the engine is DPF outlet
Postprocessing diesel
running and the temperature sensor
particulate filter outlet postprocessing • Postprocessing
temperature - data is
diesel particulate DPF temperature
P3256 valid but above
filter is under active sensor module and
normal operating
regeneration, the its harness
range - lowest
diagnosis continues • Postprocessing
severity level
to run. system
• ECM

• Postprocessing
DPF outlet
Postprocessing diesel
temperature sensor
particulate filter outlet
• Postprocessing
temperature - data is
DPF temperature
P3312 valid but above sensor module and
normal operating
its harness
range - highest
• Postprocessing
severity level
system
• ECM
• Postprocessing
DPF outlet
Postprecessing diesel temperature sensor
particulate filter outlet • When the key • Postprocessing
temperature sensor switch is in ON DPF temperature
P3319 circuit - voltage is position, the sensor module and
above normal or diagnosis continues its harness
shorted to high to run. • Postprocessing
voltage power supply
system
• ECM

Page 465