Page 471 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ENGINE CONTROL SYSTEM 04-325

DTC inspection
DTC DTC definition Trouble location
conditions
• Postprocessing
Postprocessing diesel DOC inlet
oxidation converter temperature sensor
inlet temperature • Postprocessing 04
sensor circuit - DPF temperature
P3313
voltage is below sensor module and
normal or shorted to its harness
low voltage power • Postprocessing
supply system
• ECM

• Postprocessing

Postprecessing diesel DOC inlet
oxidation converter temperature sensor
inlet temperature • Postprocessing
sensor circuit - DPF temperature
P3314
voltage is above sensor module and
normal or shorted to its harness
high voltage power • Postprocessing
supply • When the key system
switch is in ON • ECM
position, the
diagnosis continues • Postprocessing
to run. DOC inlet
Postprecessing diesel
temperature sensor
particulate filter inlet
• Postprocessing
temperature sensor
DPF temperature
P3316 circuit - voltage is sensor module and
below normal or
its harness
shorted to low voltage
• Postprocessing
power supply
system
• ECM
• Postprocessing
DOC inlet
Postprecessing diesel temperature sensor
particulate filter inlet
• Postprocessing
temperature sensor
DPF temperature
P3317 circuit - voltage is
sensor module and
above normal or
its harness
shorted to high • Postprocessing
voltage power supply
system
• ECM

Page 471