Dtc: P2Ba9: Insufficient Reagent Quality - Hino 238 Workshop Manual

DTC: P2BA9
P2BA9: Insufficient Reagent Quality
INFORMATION
No.30 J/C
LCM (CA1H)
(CA1H)
H &JN
LCN (CA1L)
(CA1L)
L &JI
ECU
Common rail CAN J/C2
H
(CANH)
K6V
(CA1H)
&JN
H
L
(CANL)
K6W (CA1L)
&JI
L
1. Technical description
• Poor DEF quality is determined by the DEF quality sensor, which measures the DEF concentration and determines
its quality.
<Description of malfunction>
• Poor DEF quality is detected.
2. DTC set condition
(1) DTC detection condition
[Normal conditions]
Conditions below continue for 10 seconds:
• Starter switch ON.
• DEF tank level > 25 %
• DEF tank temperature 1 > -5 C {23 F}
• DEF tank temperature 2 > -5 C {23 F}
• [DEF tank temperature 1 - temperature 2] < 15 C {59 F}
• Difference among exhaust temperature (DPR inlet), coolant temperature, and DEF tank temperature 2 is no
greater than 15 C {59 F}.
• DEF pump is not operating.
• There is no record of vehicle speed > 2 km/h.
• There is no record of transmission being in any gear other than neutral.
• There is no record of malfunction determination after starter switch has been turned ON.
ENGINE CONTROL SYSTEM (J08E)
H
(CA1H) #S5 #S5 #AW #AW
&JM
L
#S7 #S7 #AV #AV
(CA1L)
&JL
#SD #SD #CP #CP
(CA1H)
&JM
(CA1L) #SF #SF #CQ #CQ
&JL
%KM
(CA3H)
%KL
(CA3L)
DEF
sensor
%KC
(CA1H)
%KD
(CAL1)
BCU
%JQ
%JV
(CA2L)
%KF
(CA3H)
%KE
(CA3L)
L
H
L
sensor 2
EN01H16F01030F03001158
H
LF5
#CU #CU
(CAH1)
L
LF6
#CV #CV
(CAL1)
(TE1B)
(TE1A)
(TE2B)
(TE2A)
LEY
(CAH0)
LEZ
(CAL0)
(12) (CA2H)
H %JU
%JZ
L
(CA2L)
H H
L
NOx NOx
sensor 1
SAPH16F010301027
4–1303
DCU