HYBRID/TROUBLE SHOOTING
3–491
INSPECTION PROCEDURE: P0A1B (TCA7)
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.
Perform a test run. (accelerate and decelerate running for approxi-
mately 1 hour).
6.
Set the starter key to the "ON" position.
7.
In [Fault Information] on the diagnosis tool screen, check if P0A1B-
A7 is detected.
NO
YES
CHECKLIST: P0A1B (TCA7)
1
Reproduction check [HINO-DX]
SHTS03ZZZ0300317
Is DTC P0A1B-A7 detected?
Replace the inverter.
The inspection is completed.
(Temporary actuation of protection function
due to external noise)
P0A1B (TCA7)
Abnormality in inverter (ECU system)
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. Perform a test run. (accelerate
and decelerate running for
approximately 1 hour).
6. Set the starter key to the "ON"
position.
7. In [Fault Information] on the
diagnosis tool screen, check if
P0A1B-A7 is detected.
DTC P0A1B-
A7 is detected:
Go to YES.
DTC P0A1B-
A7 is not
detected: Go
to NO.
Replace the
inverter.
The inspec-
tion is com-
pleted.
(Temporary
actuation of
protection
function due to
external noise)
