Page 260 - Foton Workshop Manual - Tunland (AT)
P. 260
04-114 DIAGNOSTICS - ENGINE CONTROL SYSTEM
DTC LIST
NOTICE
When checking DTC in the checking model, if certain DTC is displayed, then the circuit
of the code listed in the following list should be checked.The detailed description of
each DTC can refer to corresponding pages.
04
Failure code Diagnostic items (DTC definition) Trouble location
Anti lock braking (ABS) enabled -
P4215 • ECM
conditions exist
Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
tion catalyst temperature sensor
P4253 sensor module and its harness
module - intelligent devices or com- • ECM
ponents fault
Postprocessing preheat diesel oxida- • Battery
tion converter temperature sensor • Postprocessing DOC temperature
P4254
module - voltage is above normal or sensor module and its harness
shorted to high voltage power supply • ECM
Postprocessing preheat diesel oxida- • Battery
tion converter temperature sensor • Postprocessing DOC temperature
P4255
module - voltage is below normal or sensor module and its harness
shorted to low voltage power supply • ECM
Postprocessing preheat diesel oxida-
tion converter temperature sensor • Postprocessing DOC temperature
P4256 module - data is valid but above nor- sensor module and its harness
mal operating range - lowest severity • ECM
level
Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
P4257 tion converter temperature sensor sensor module and its harness
module - Abnormal updating rate • ECM
Postprocessing preheat diesel oxida- • Postprocessing DOC temperature
P4258 tion converter temperature sensor sensor module and its harness
module - Unknown root cause • ECM
Postprocessing diesel particulate fil- • Postprocessing DOC temperature
P4259 ter temperature sensor module - Un- sensor module and its harness
known root cause • ECM
Variable geometry turbocharger actu- • Turbocharger actuator
P4956
ator software - beyond calibration • ECM
Variable geometry turbocharger actu- • Turbocharger actuator
P4957
ator software - problems exist • ECM
Page 260
