HYBRID/TROUBLE SHOOTING
3–468
1.
Disconnect the three-phase cable (U, V, and W terminals) from the
inverter.
2.
Using the megohm tester (500 V range), measure the insulation
resistance between the terminals of three-phase cable.
! CAUTION
Terminals must be insulated to avoid contact.
NO
YES
1.
Remove the bottom cover of the PCU.
2.
Check the inverter radiator, inverter cooling radiator fan, and the
hose for water leakage or clogging.
3.
Check that the coolant level is appropriate.
NO
YES
4
Inspecting the three-phase cable 3
7
8
9
Megohmmeter
Megohmmeter
SHTS03ZZZ0300306
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Three-phase cable
U terminal
–
V terminal
V terminal
–
W terminal
W terminal
–
U terminal
10 M
or more
Is the measured value within the range of standard value?
Go to step 5.
Replace the three-phase cable.
5
Inspecting the inverter radiator
Is any defect found?
Repair or replace the defective part.
After repair or replacement, add coolant and
go to step 6.
Go to step 6.