HYBRID/TROUBLE SHOOTING
3–657
1.
Connect all the connectors that have been disconnected to restore
the system.
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 HV battery line is detected.
NO
YES
1.
Clear the malfunction history.
2.
Perform a test run. (accelerate and decelerate running for approxi-
mately 1 hour).
3.
In [Fault Information] on the diagnosis tool screen, check if P0A78-
14 is detected.
HINT
Monitor [DC voltage] on the data monitor.
NO
YES
15
Inspecting the HV battery ECU [HINO-DX]
SHTS03ZZZ0300431
Is any DTC related to the HV battery line detected?
Perform troubleshooting for each of related
DTC.
Go to step 16.
16
Reproduction check [HINO-DX]
SHTS03ZZZ0300432
Is DTC P0A78-14 detected?
Replace the inverter.
The inspection is completed.
(Temporary actuation of protection function
due to external noise)