HYBRID/TROUBLE SHOOTING
3–408
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 U1136-27
in the HV ECU.
•
[U110A] vehicle control ECU
CAN communication black-
out
•
[U0101] AT ECU CAN com-
munication blackout
•
[U0121] ABS CAN communi-
cation blackout
•
[U0110] inverter CAN com-
munication blackout
•
[U0155] meter ECU CAN
communication 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
vehicle control
ECU [HINO-
DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
DTC U1136 (clutch ECU com-
munication blackout) is
detected in the vehicle control
ECU.
DTC U1136 is
detected: Go
to YES.
DTC U1136 is
not detected:
Go to NO.
Refer to the
"CONTROL
CAN COMMU-
NICATION
LINE
(HYBRID)" in
the chapter
"CONTROL
SYSTEM".
Replace the
HV ECU.
U1136 (TC27)
Clutch ECU CAN communication blackout
Inspection Procedure
Step
Action
Description
Judgement
Check
(Yes/No)
Yes
No