HYBRID/TROUBLE SHOOTING
3–283
1.
Using the electrical tester, measure the insulation resistance
between the terminals of HV motor side and the ground.
NO
YES
1.
Connect all the cables and connectors that have been discon-
nected to restore the system.
2.
Set the starter key to the "LOCK" position.
3.
Connect the diagnosis tool (HINO-DX) to the vehicle.
4.
Set the starter key to the "ON" position.
5.
Clear the malfunction history.
6.
Perform a test run. (For 30 minutes or more)
7.
In [Fault Information] on the diagnosis tool screen, check if P3009-
49 is detected.
NO
YES
13
Inspecting the insulation resistance of HV motor
[25]
[24]
[23]
SHTS03ZZZ0300194
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
HV motor
23rd terminal
–
GND
24th terminal
–
GND
25th terminal
–
GND
5 M
or more
Is the measured value within the range of standard value?
Go to step 14.
Replace the HV motor.
14
Reproduction check [HINO-DX]
SHTS03ZZZ0300195
Is DTC P3009-49 detected?
Replace the HV battery ECU.
The inspection is completed.