HYBRID/TROUBLE SHOOTING
3–281
1.
Disconnect the frame wires of 20th, 21st, and 22nd terminals from
the relay terminal block.
2.
Using the electrical tester, measure the insulation resistance
between the terminals of frame wire and the ground.
NO
YES
10
Inspecting the insulation resistance of frame wire (between the inverter and the relay terminal
block)
U
V
W
[20]
[21]
[22]
SHTS03ZZZ0300192
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Frame wire
20th terminal
–
GND
21st terminal
–
GND
22nd terminal
–
GND
10 M
or more
Is the measured value within the range of standard value?
Go to step 11.
(For vehicles with no relay terminal block, go
to step 12.)
Replace the relay terminal block.