HYBRID/TROUBLE SHOOTING
3–401
4
Reading the
DTC [HINO-
DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
any control CAN system ECU
communication blackout is
detected other than U110A-26
in the HV ECU.
•
[U0101] AT ECU CAN com-
munication blackout
•
[U1136] clutch ECU CAN
communication blackout
•
[U0121] ABS ECU CAN
communication blackout
•
[U0110] inverter CAN com-
munication blackout
•
[U0155] meter CAN commu-
nication blackout
All communi-
cation blackout
DTCs are
detected: Go
to YES.
All communi-
cation blackout
DTCs are not
detected: Go
to NO.
Go to step 5.
(All communi-
cation black-
outs have
been gener-
ated.)
Refer to the
"CONTROL
CAN COMMU-
NICATION
LINE
(HYBRID)" in
the chapter
"CONTROL
SYSTEM".
5
Inspecting the
engine ECU
[HINO-DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
DTC U110A (vehicle control
ECU communication blackout)
is detected in the engine ECU.
DTC U110A is
detected: Go
to YES.
DTC U110A is
not detected:
Go to NO.
Refer to the
"CONTROL
CAN COMMU-
NICATION
LINE
(HYBRID)" in
the chapter
"CONTROL
SYSTEM".
Replace the
HV ECU.
U110A (TC26)
Vehicle control ECU CAN communication
blackout
Inspection Procedure
Step
Action
Description
Judgement
Check
(Yes/No)
Yes
No