Hino 195h Series, Workshop Manual

Page: 270 / 805

HYBRID/TROUBLE SHOOTING 3–266
CHECKLIST: P3001 (TC4A)
P3001 (TC4A) Abnormality in HV battery line Inspection Procedure
Step Action Description Judgement
Check
(Yes/No)
Yes No
1
Reading the
DTC [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 other than the follow-
ing is detected.
•
P3001-46, P3001-47,
P3001-4A
DTC other
than P3001-
46, P3001-47,
or P3001-4A is
detected: Go
to YES.
DTC other
than P3001-
46, P3001-47,
or P3001-4A is
not detected:
Go to NO.
Perform trou-
bleshooting for
each of related
DTC.
Go to step 2.
2
Inspecting the
inverter
[HINO-DX]
1. 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 3.
3
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 4.
4
Reproduction
check [HINO-
DX]
1. Clear the malfunction history.
2. Perform a test run. (Repeat the
following cycle 5 times or more:
After warm-up, stop the vehicle.

Acceleration to 40 km/h.

Deceleration

Stop the vehi-
cle.)
3. In [Fault Information] on the
diagnosis tool screen, check if
DTC P3001-4A is detected.
DTC P3001-
4A is detected:
Go to YES.
DTC P3001-
4A is not
detected: Go
to NO.
Replace the
HV battery.
The inspec-
tion is com-
pleted.