HYBRID/TROUBLE SHOOTING
3–220
CHECKLIST: P0AFD (TC6B)
P0AFD (TC6B)
Abnormality in low temperature of HV battery
Inspection Procedure
Step
Action
Description
Judgement
Check
(Yes/No)
Yes
No
1
Inspecting the
inverter
[HINO-DX]
1. Set the starter key to the
"LOCK" position.
2. Connect the diagnosis tool
(HINO-DX) to the vehicle.
3. Set the starter key to the "ON"
position.
4. In [Fault Information] on the
diagnosis tool screen, check if
any DTC related to the inverter
line is detected.
DTC related to
the inverter
line is
detected: Go
to YES.
DTC related to
the inverter
line is not
detected: Go
to NO.
Perform trou-
bleshooting for
each of related
DTC.
Go to step 2.
2
Inspecting the
HV battery
ECU [HINO-
DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
any DTC related to the HV bat-
tery line is detected.
DTC related to
the HV battery
line is
detected: Go
to YES.
DTC related to
the HV battery
line is not
detected: Go
to NO.
Perform trou-
bleshooting for
each of related
DTC.
Go to step 3.
3
Inspecting the
HV battery
temperature
[HINO-DX]
1. Select [Data Monitor] on the
diagnosis tool screen and mon-
itor [HV battery minimum tem-
perature].
<Measurement conditions>
Starter key: ON
<Tester connections>
HV battery minimum temperature
<Standard values>
HV battery minimum temperature
: -30
C {-22
F} or more
The mea-
sured value is
within the
range of stan-
dard value: Go
to YES.
The mea-
sured value is
not within the
range of stan-
dard value: Go
to NO.
The inspec-
tion is com-
pleted.
(An abnor-
mally low tem-
perature of HV
battery may
occur due to
the outside
temperature.)
Replace the
battery ECU.
