Hino Motors HINO 155 series Workshop Manual page 77

DIAGNOSTIC TROUBLE CODE (DTC) TABLE
SVS DTC
MIL
Light No.
Light No Light P2562
Light No Light P259E
Light No Light P259F
No
No Light P2635
Light
Light No Light P268A
Light No Light P2696
Light No Light P26C8
No
No Light P2BA9
Light
Light No Light U0073
Light No Light U010A
Light No Light U010C
ENGINE (J05E)/TROUBLESHOOTING
DIAGNOSIS ITEM
Nozzle position sensor failure
range (High level) (VNT actuator
position sensor performance
invalid)
Nozzle operating range failure -
NARROW (VNT actuator wiping
error (too narrow range))
Nozzle operating range failure -
WIDE (VNT actuator wiping error
(too wide range))
Fuel Pump Low Flow/Perfor-
mance
Fuel injector adjustment data
error
Fuel injector adjustment data
error
Vehicle system failure
Insufficient Reagent Quality
Engine ECU CAN communica-
tion bus for Emission control sys-
tem - bus off
Engine ECU CAN communica-
tion
(EGR valve control)
VNT actuator CAN communica-
tion error
INSPECTION ITEM
• VNT controller
• VNT actuator
• VNT controller
• Turbocharger
• VNT controller
• Engine
• Supply pump
• Pre fuel filter
• Engine ECU
• Fuel hose
• Fuel tank breather
• Fuel tank feed pipe
• Supply pump gauze filter
• Fuel high-pressure pipe
• Fuel filter
• SCV
• Common rail pressure sensor
• Engine speed main sensor
(crankshaft position sensor)
• Fuel return pipe and hose
• Fuel pipe
• Injector
• Injector
—
• DEF
• DEF tank
• DEF quality sensor
—
• Connector
• Wire harness
• EGR controller
• Connector
• Wire harness
• VNT controller
2–41
SYMPTOM
A
A
A
—
—
—
—
–
A
A
A