Hino Motors HINO 155 series Workshop Manual page 76

2–40
DIAGNOSTIC TROUBLE CODE (DTC) TABLE
SVS DTC
MIL
Light No.
No
Light P2458
Light
Light No Light P2459
Light No Light P2463
Light No Light P246F
Light No Light P2470
Light No Light P2471
Light No Light P24A0
Light No Light P24A1
Light No Light P24A2
ENGINE (J05E)/TROUBLESHOOTING
DIAGNOSIS ITEM
DPR manual regeneration failure
Frequent regeneration
DPF clogged
Exhaust gas temperature sensor
(DOC outlet) - rationality
Exhaust gas temperature sensor
(DOC outlet)
- out of range (Out of range low)
Exhaust gas temperature sensor
(DOC outlet)
- out of range (Out of range high)
Closed Loop DPF Regeneration
Control At Limit
- Temperature Too Low
Closed Loop DPF Regeneration
Control At Limit
- Temperature Too High
Excessive DPR fuel addition rate
INSPECTION ITEM
• Exhaust pipe
• Exhaust brake valve
• Exhaust gas temperature sensor
(DPF inlet)
• Exhaust gas temperature sensor
(DOC1 inlet)
• DPR
• Coolant temperature sensor
• Engine
—
• DPF indicator light
• DPR switch
• Neutral switch
• Accelerator switch
• PTO signal
• External accelerator signal
• Exhaust gas temperature sensor
(DPF outlet)
• Wire harness
• ECU (ECU connector)
• Exhaust gas temperature sensor
(DPF outlet)
• Wire harness
• ECU (ECU connector)
• Exhaust gas temperature sensor
(DPF outlet)
• Wire harness
• ECU (ECU connector)
• Exhaust gas temperature sensor
(DPF inlet)
—
• Engine oil
• Exhaust pipe
• Injector
• Exhaust brake valve
• EGR valve
• VNT controller
• Exhaust gas temperature sensor
(DPF inlet)
• DPR
SYMPTOM
—
—
A
—
—
—
—
—
—