HYBRID/TROUBLE SHOOTING
3–521
1.
Clear the malfunction history.
2.
Set the starter key to the "LOCK" position and wait for 1 minute.
3.
Set the starter key to the "ON" position.
4.
In [Fault Information] on the diagnosis tool screen, check if
P0A1D-21 is detected.
NO
YES
3
Reproduction check [HINO-DX]
SHTS03ZZZ0300333
Is DTC P0A1D-21 detected?
Replace the HV ECU.
The inspection is completed.
(Temporary actuation of protection function
due to external noise)