HYBRID/TROUBLE SHOOTING
3–135
CHECKLIST: P0A1D (TC12)
P0A1D (TC12)
Abnormality in HV ECU function
Inspection Procedure
Step
Action
Description
Judgement
Check
(Yes/No)
Yes
No
1
Reproduction
check [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. Clear the malfunction history.
5. Set the starter key to the
"LOCK" position and wait for 1
minute.
6. Set the starter key to the "ON"
position.
7. In [Fault Information] on the
diagnosis tool screen, check if
P0A1D-12 is detected.
DTC P0A1D-
12 is detected:
Go to YES.
DTC P0A1D-
12 is not
detected: Go
to NO.
Replace the
HV ECU.
The inspec-
tion is com-
pleted.
(Temporary
actuation of
protection
function due to
external noise)
