HYBRID/TROUBLE SHOOTING
3–46
1.
Connect the diagnosis tool (HINO-DX) to the vehicle.
2.
Set the starter key to the "ON" position.
3.
Select [Engine] on the diagnosis tool screen.
4.
In [Fault Information], check if any DTC related to the vehicle
speed signal system is detected.
NO
YES
1.
Set the starter key to the "LOCK" position.
2.
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
6
Inspecting the engine ECU [HINO-DX]
SHTS03ZZZ0300037
Is any DTC detected from the engine ECU?
Inspect the combination meter.
Go to step 7.
7
Inspecting the PCU wire harness signal line 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 8.
