HYBRID/TROUBLE SHOOTING
3–155
1.
From [Activation Test] on the diagnosis tool screen, select [HV bat-
tery cooling fan duty value].
2.
Run the HV battery cooling fan at the duty value of 90% to check
that the cooling fan is rotating.
NO
YES
1.
In [Activation Test] on the diagnosis tool screen, change the opera-
tion duty value of HV battery cooling fan to 20 and 90%.
2.
In the [Data Monitor] on the diagnosis tool screen, select [Number
of revolutions of HV battery cooling fan] and read the number of
revolutions at each duty value.
NO
YES
3
Inspecting the operation of HV battery cooling fan [HINO-DX]
SHTS03ZZZ0300104
Measurement
conditions
Measured item
Standard values
Starter key: ON
HV battery cool-
ing fan duty value
The cooling fan is
running (rotating).
Is the cooling fan running?
Go to step 4.
Replace the HV battery cooling fan.
4
Checking the number of revolutions of HV battery cooling fan [HINO-DX]
SHTS03ZZZ0300105
Measurement
conditions
Measured item
Standard values
Starter key: ON
Number of revolu-
tions of HV battery
cooling fan
Duty value (20%):
1416 r/min or
lower
Duty value (90%):
3742 r/min or
lower
Is the measured value within the range of standard value?
Go to step 5.
Replace the HV battery cooling fan.
