Hino Motors HINO 155 series Workshop Manual page 72

2–36
DIAGNOSTIC TROUBLE CODE (DTC) TABLE
SVS DTC
MIL
Light No.
Light No Light P20CD
Light No Light P20CE
No
Light P20CF
Light
Light No Light P20D8
Light No Light P20DE
Light No Light P20DF
Light No Light P20E0
Light No Light P20EE
Light No Light P2100
Light No Light P2101
Light No Light P2103
ENGINE (J05E)/TROUBLESHOOTING
DIAGNOSIS ITEM
Malfunction of fuel addition valve
[Short-circuit]
Malfunction of fuel addition valve
[+B short-circuit]
Malfunction of fuel addition valve
[Leak] (Continuous injection)
Exhaust Fuel Doser open/close
stuck
Aftertreatment Fuel Injection Line
Pressure Sensor Performance
Invalid
Aftertreatment Fuel Injection Line
Pressure Sensor Signal Too Low
Aftertreatment Fuel Injection Line
Pressure Sensor Signal Too High
NOx converting catalyst conver-
sion efficiency
DC motor for intake throttle valve
- circuit (Open circuit (circuit low))
Intake throttle valve - functional
DC motor for intake throttle valve
- circuit (Short circuit (circuit
high))
INSPECTION ITEM
• Fuel dosing valve
• Wire harness
• ECU (ECU connector)
• Fuel dosing valve
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• Fuel pipe (for aftertreatment)
• Fuel dosing valve
• Aftertreatment fuel pressure sensor
• Fuel pipe (for aftertreatment)
• Aftertreatment fuel injection line pres-
sure sensor
• Wire harness
• ECU (ECU connector)
• Aftertreatment fuel injection line pres-
sure sensor
• Wire harness
• ECU (ECU connector)
• DEF solution
• Engine
• Air flow sensor
• Exhaust gas temperature sensor
(SCR inlet)
• DEF pipe
• DEF injector
• Exhaust pipe
• NOx sensor
• SCR catalyst
• Diesel throttle
• Wire harness
• ECU (ECU connector)
• Air cleaner element
• Air hose
• Air pipe
• Exhaust muffler (exhaust pipe)
• Exhaust brake valve
• Diesel throttle
• Diesel throttle
• Wire harness
• ECU (ECU connector)
SYMPTOM
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A