Page 274 - Foton Workshop Manual - Tunland (AT)
P. 274
04-128 DIAGNOSTICS - ENGINE CONTROL SYSTEM
Failure code Diagnostic items (DTC definition) Trouble location
• Injector
Postprocessing preheat diesel oxida-
• Postprocessing DOC oxidation
tion converter outlet temperature -
P3162 catalyst
data is valid but above normal oper-
• Postprocessing system
ating range - highest severity level
04 • ECM
Postprocessing diesel particulate fil- • Postprocessing DPF
ter system - data is valid but above • Postprocessing DPF differential
P3168
normal operating range - medium pressure sensor and its harness
severity level • ECM
• Injector
Postprocessing preheat diesel oxida-
• Postprocessing DOC oxidation
tion converter outlet temperature -
P3169 catalyst
data is valid but above normal oper-
• Postprocessing system
ating range - lowest severity level
• ECM
• Thermostat
Engine cooling system monitor - data
• Coolant temperature sensor and
P3243 valid but below normal operating
its harness
range - medium severity level
• ECM
• Injector
Postprocessing preheat diesel oxida-
• Postprocessing DOC oxidation
tion converter inlet temperature - data
P3247 catalyst
is valid but above normal operating
• Postprocessing system
range - medium severity level
• ECM
• Injector
Postprocessing preheat diesel oxida-
• Postprocessing DOC oxidation
tion catalytic outlet temperature -
P3249 catalyst
Data is valid but above normal oper-
• Postprocessing system
ating range (lowest severity level)
• ECM
• Postprocessing DOC inlet temper-
ature sensor
Postprocessing 1 diesel oxidation • Postprocessing DOC oxidation
converter inlet temperature - data is catalyst
P3251
valid but above normal operating • Postprocessing DPF temperature
range - medium severity level sensor and its harness
• Postprocessing system
• ECM
• Postprocessing DPF inlet tempera-
Postprocessing 1 diesel particulate
ture sensor
filter inlet temperature - data is valid
P3253 • Postprocessing DPF temperature
but above normal operating range -
sensor module and its harness
medium severity level
• Postprocessing system
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