Page 722 - Workshop Manual - Tunland (2017)
P. 722
04-36 DIAGNOSTICS - ENGINE CONTROL SYSTEM
04
Failure code Diagnostic items (DTC definition) Trouble location
• ECM
• Postprocessing DPF inlet tempera-
Postprocessing diesel particulate fil- ture sensor
ter inlet temperature - data is valid • Postprocessing DPF temperature
P3311
but above normal operating range - sensor module and its harness
highest severity level • Postprocessing system
• ECM
• Postprocessing DPF outlet temper-
Postprocessing diesel particulate fil- ature sensor
ter outlet temperature - data is valid • Postprocessing DPF temperature
P3312
but above normal operating range - sensor module and its harness
highest severity level • Postprocessing system
• ECM
• Postprocessing DOC inlet temper-
Postprocessing diesel oxidation con- ature sensor
verter inlet temperature sensor circuit • Postprocessing DPF temperature
P3313
- voltage is below normal or shorted sensor module and its harness
to low voltage power supply • Postprocessing system
• ECM
• Postprocessing DOC inlet temper-
Postprocessing diesel oxidation con- ature sensor
verter inlet temperature sensor circuit • Postprocessing DPF temperature
P3314
- voltage is above normal or shorted sensor module and its harness
to high voltage power supply • Postprocessing system
• ECM
• Postprocessing DPF inlet tempera-
Postprocessing diesel particulate fil- ture sensor
ter inlet temperature sensor circuit - • Postprocessing DPF temperature
P3316
voltage is below normal or shorted sensor module and its harness
to low voltage power supply • Postprocessing system
• ECM
• Postprocessing DPF inlet tempera-
Postprocessing diesel particulate fil- ture sensor
ter inlet temperature sensor circuit - • Postprocessing DPF temperature
P3317
voltage is above normal or shorted sensor module and its harness
to high voltage power supply • Postprocessing system
• ECM
Postprocessing diesel particulate fil- • Postprocessing DPF outlet temper-
ter outlet temperature sensor circuit ature sensor
P3319
- voltage is above normal or shorted • Postprocessing DPF temperature
to high voltage power supply sensor module and its harness