HYBRID/TROUBLE SHOOTING
3–377
1.
In [Fault Information] on the diagnosis tool screen, check if any
control CAN system ECU communication blackout is detected
other than U0111-15 in the HV ECU.
•
[U0100] Engine ECU CAN communication blackout
•
[U110A] Vehicle control ECU CAN communication blackout
NO
YES
1.
In [Fault Information] on the diagnosis tool screen, check if DTC
U0105 (Engine ECU communication blackout) is detected in the
vehicle control ECU.
NO
YES
5
Reading the DTC 1 [HINO-DX]
SHTS03ZZZ0300252
Are all communication blackout DTCs detected?
Go to step 6.
(All communication blackouts have been
generated.)
Go to step 7.
6
Inspecting the vehicle control ECU [HINO-DX]
SHTS03ZZZ0300253
Is DTC U0105 detected?
Refer to the "DIAGNOSIS CAN COMMUNICA-
TION LINE (HYBRID)" in the chapter "CON-
TROL SYSTEM".
Replace the HV ECU.
