HYBRID/TROUBLE SHOOTING
3–140
INSPECTION PROCEDURE: P0A78 (TC21)
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.
NO
YES
1.
Clear the malfunction history.
2.
Set the starter key to the "LOCK" position and wait for 1 minute.
3.
Perform a test run for approximately 1 hour. (Replace the inverter if
starting fails.)
4.
In [Fault Information] on the diagnosis tool screen, check if P0A78-
21 is detected.
NO
YES
1
Inspecting the inverter [HINO-DX]
SHTS03ZZZ0300093
Is any DTC related to the inverter line detected?
Perform troubleshooting for each of related
DTC.
Go to step 2.
2
Reproduction check [HINO-DX]
SHTS03ZZZ0300094
Is DTC P0A78-21 detected?
Replace the inverter.
The inspection is completed.
