HYBRID/TROUBLE SHOOTING
3–322
10
Reproduction
check [HINO-
DX]
1. Connect all the connectors that
have been disconnected to
restore the system.
2. Set the starter key to the "ON"
position.
3. Clear the malfunction history.
4. Set the starter key to the "ON"
position and wait for 1 minute.
5. In [Fault Information] on the
diagnosis tool screen, check if
P314D-81 is detected.
DTC P314D-
81 is detected:
Go to YES.
DTC P314D-
81 is not
detected: Go
to NO.
Replace the
HV ECU.
The inspec-
tion is com-
pleted.
P314D (TC81)
Abnormality in HV water pump revolution
number signal High
Inspection Procedure
Step
Action
Description
Judgement
Check
(Yes/No)
Yes
No