HYBRID/TROUBLE SHOOTING
3–166
INSPECTION PROCEDURE: P0A84 (TC66)
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 of
the following DTC related to malfunction of HV battery start relay is
detected.
•
P33B1-64, P33B2-63
NO
YES
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the PCU harness (24P) connector.
3.
Set the starter key to the "ON" position.
4.
Using the electrical tester, measure the voltage between the 1st
terminal of PCU harness (24P) vehicle-side connector and the
ground.
NO
YES
1
Reading the DTC [HINO-DX]
SHTS03ZZZ0300111
Is any DTC other than P0A84-66 detected?
Perform troubleshooting for each of related
DTC.
Go to step 2.
2
Inspecting the voltage of vehicle wire harness
VEHICLE GND
SHTS03ZZZ0300112
Measurement
conditions
Tester
connections
Standard values
Starter key: ON
PCU harness (24P)
vehicle-side con-
nector
1st terminal
–
GND
9 V or more
Is the measured value within the range of standard value?
Go to step 3.
Inspect the power supply circuit ([PCI-B 20A]
fuse and wire harness).
