HYBRID/TROUBLE SHOOTING
3–673
INSPECTION PROCEDURE: P0AA1 (TCD8)
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 other than P0AA1-D8 is detected:
NO
YES
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the service plug and wait for 7 minutes or more.
3.
Remove the PCU top cover.
4.
Using the electrical tester, measure the resistance between the
terminals of high-voltage J/B (in the battery pack)
NO
YES
1
Reading the DTC [HINO-DX]
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Is any DTC other than P0AA1-D8 detected?
Perform troubleshooting for each of related
DTC.
Go to step 2.
2
Inspecting the PN cable for short circuit
BATT OUT(-)
BATT IN(-)
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Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
High-voltage J/B
(in battery pack)
BATT OUT(-) ter-
minal
–
BATT IN(-)
terminal
10 k
or more
(No continuity)
Is the measured value within the range of standard value?
Go to step 5.
Go to step 3.