HYBRID/TROUBLE SHOOTING
3–53
INSPECTION PROCEDURE: P0501 (TC5B)
1.
Set the starter key to the "LOCK" position.
2.
Connect the diagnosis tool (HINO-DX) to the vehicle.
3.
Set the starter key to the "ON" position.
4.
Select [Brake] on the diagnosis tool screen.
5.
In [Fault Information], check if any DTC related to the vehicle
speed sensor system is detected.
NO
YES
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the HV ECU3 connector.
3.
For the 18th terminal of PCU harness (24P) lower-side connector,
inspect the signal line of PCU wire harness (lower side) for short
circuit. (See "Inspecting the PCU harness signal line for short cir-
cuit.")
NO
YES
1
Inspecting the ABS ECU [HINO-DX]
SHTS03ZZZ0300040
Is any DTC detected from the ABS?
Perform troubleshooting for each DTC of
ABS ECU.
Go to step 2.
2
Inspecting the signal line of PCU wire harness (lower side) for short circuit
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
PCU harness (24P)
lower-side con-
nector
18th terminal
–
Each signal line
10 k
or more
Is any defect found?
Replace the PCU wire harness (lower side).
Go to step 3.
