HYBRID/TROUBLE SHOOTING
3–314
1.
In [Activation Test] on the diagnosis tool screen, select [HV water
pump drive duty value].
2.
Activate the HV water pump at the duty value of 60% and feel the
hose to make sure that the water pump is running.
NO
YES
1.
Disconnect the PCU harness (24P) connector.
2.
Using the electrical tester, measure the voltage between the vehi-
cle-side connector of PCU harness (24P) and the ground.
NO
YES
4
Checking the activation of inverter cooling pump [HINO-DX]
SHTS03ZZZ0300211
Measurement
conditions
Measured item
Standard values
Starter key: ON
HV water pump
drive duty value
Activation of water
pump
Is the activation of water pump confirmed?
Go to step 8.
Go to step 5.
5
Inspecting the vehicle wire harness
VEHICLE GND
SHTS03ZZZ0300212
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
PCU harness (24P)
vehicle-side con-
nector
3rd terminal
–
GND
9 V or more
Is the measured value within the range of standard value?
Go to step 6.
Inspect the power supply circuit ([PCU-B2
20A] fuse and wire harness).