HYBRID/TROUBLE SHOOTING
3–205
CHECKLIST: P0A92 (TC29)
P0A92 (TC29)
Abnormality in charging performance
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
Preparation for
inspection
1. Set the starter key to the
"LOCK" position.
2. Disconnect the service plug
and wait for 7 minutes or more.
3. Disconnect the 16 P and 22 P
connectors of HV battery ECU.
Inspection
preparation is
completed: Go
to YES.
Inspection
preparation is
not com-
pleted: Go to
NO.
Go to step 4.
Perform the
inspection
preparation
again.
4
Inspecting the
HV battery
1. Disconnect the BATT IN (+) [3]
and BATT IN (-) [4] terminals
from the high-voltage J/B (in
the battery pack), and then
remove the frame wire.
2. Using the electrical tester, mea-
sure the insulation resistance
between each terminal of high-
voltage J/B (in the battery pack)
and the ground.
<Measurement conditions>
Starter key: LOCK
<Tester connections>
High-voltage J/B (in battery pack)
BATT IN (+) [3] terminal
–
GND
BATT IN (-) [4] terminal
–
GND
<Standard values>
10 M
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.
Go to step 7.
Go to step 5.