HYBRID/TROUBLE SHOOTING
3–380
5
Reading the
DTC 1 [HINO-
DX]
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 black-
out
All communi-
cation blackout
DTCs are
detected: Go
to YES.
All communi-
cation blackout
DTCs are not
detected: Go
to NO.
Go to step 6.
(All communi-
cation black-
outs have
been gener-
ated.)
Go to step 7.
6
Inspecting the
vehicle control
ECU [HINO-
DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
DTC U0105 (Engine ECU com-
munication blackout) is
detected in the vehicle control
ECU.
DTC U0105 is
detected: Go
to YES.
DTC U0105 is
not detected:
Go to NO.
Refer to the
"DIAGNOSIS
CAN COMMU-
NICATION
LINE
(HYBRID)" in
the chapter
"CONTROL
SYSTEM".
Replace the
HV ECU.
7
Reading the
DTC 2 [HINO-
DX]
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 black-
out
DTC other
than U0111-15
is detected:
Go to YES.
DTC other
than U0111-15
is not
detected: Go
to NO.
Refer to the
"CONTROL
CAN COMMU-
NICATION
LINE
(HYBRID)" in
the chapter
"CONTROL
SYSTEM".
Replace the
HV battery
ECU.
(Because
blackout has
occurred only
in the HV bat-
tery ECU CAN
communica-
tion, it is likely
that there is an
abnormality in
the HV battery
ECU CAN cir-
cuit.)
U0111 (TC15)
HV battery ECU CAN communication blackout
Inspection Procedure
Step
Action
Description
Judgement
Check
(Yes/No)
Yes
No
