Inspection Procedure Followed When Malfunction Indicator Light Illuminates (Abnormal) - Hino S5-LJ05E04A Workshop Manual

INSPECTION PROCEDURE FOLLOWED WHEN MALFUNCTION INDICATOR
LIGHT ILLUMINATES (ABNORMAL)
NORMAL TRAVELING
CHECK MALFUNCTION INDICATOR ILLUMINATES
RECIEVING THE VEHICLE FOR SAFETY CHECK
CONNECT HINO DX
1. CHECKING THE CURRENTCONDITION
2. DIAGNOSIS
3. DIAGNOSIS
DPR trouble: DTC code P200C, P2459, P244A, P244B, P2463
4.DIAGNOSIS (DPR STATE
DISPLAY MONITOR)
DPR CLOGGED WARNING
LEVEL FLAG
DPR CLOGGED DANGER
LEVEL FLAG
DPR MANUAL
REGENERATION FAILURE
FLAG
DPR ACTIVE
REGENERATION FAILURE
FLAG
DPR OVER TEMPERATURE
FLAG BY REAR EXH GAS
TEMP
DPR EXCESSIVE
BACK PRESSURE FLAG
DPR MISSING SUBSTRATE
FLAG
DPR OVER TEMPERATURE
FLAG BY FRONT EXH GAS
TEMP
EXHAUST (J05E)
PAST FAULT CHECK
(Inspection of engine system and burner system including trouble
in exhaust control system)
PAST FAULT CHECK
(determination of sensor system trouble)
Front DPR exhaust temperature sensor trouble:
DTC code P2033, P2032, P2084
Rear DPR exhaust temperature sensor trouble:
DTC code P242D, P242C, P242B
DPR back pressure sensor trouble:
DTC code P1427, 1428
DPR STATE MONITOR CHECK
(Determination of DPR fault mode)
·
DPR-calculated soot build-up
amount exceeds the limit.
(With output limitation)
·
DPR temperature will not rise
under DPR control.
·
Engine exhaust temperature
will not rise under DPR
control.
·
Abnormally high temperature
is detected by the rear
temperature sensor.
·
Clogging of DPR is detected
by the back pressure sensor.
·
DPR back pressure of the
back pressure sensor has
dropped abnormally.
·
Abnormally high temperature
is detected by the front DPR
exhaust temperature sensor.
CLOGGING
CLOGGING
DETERIORATION
ENGINE AND BURNER
INSPECTION
ENGINE AND BURNER
INSPECTION
DAMAGE
CLOGGING
(+ ENGINE TROUBLE)
DAMAGE/BREAKAGE
DAMAGE
(+ ENGINE AND
BURNER TROUBLE)
DPR inspection refers to check for
a welding loss, cracks or leakage of
black smoke on the rear of the filter.
Replace if any is found.
11–33
EN01F02127100402002006
ENGINE OR BURNER
INSPECTION
SENSOR CIRCUIT
INSPECTION/
REPLACEMENT
4
FILTER CLEANING
BY HINO-DX
(MANUAL REGENERATION)
1
FILTER CLEANING
(REMOVE AND CLEANING
BY WASHING MACHINE)
2
FILTER CLEANING
(+ INSPECTION OF
ENGINE-SIDE INJECTION
SYSTEM/EXHAUST
CONTROL SYSTEM)
FILTER CLEANING
(+ INSPECTION OF
ENGINE-SIDE
INJECTION SYSTEM
/LUBRICATION SYSTEM)
DPR INSPECTION
DPR INSPECTION
(+ INSPECTION OF
ENGINE-SIDE
INJECTION SYSTEM
/LUBRICATION SYSTEM)
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