Hino 195h Series, Руководство по ремонту

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HYBRID/TROUBLE SHOOTING 3–371
CHECKLIST: U0110 (TC14)
U0110 (TC14) Inverter CAN communication blackout Inspection Procedure
Step Action Description Judgement
Check
(Yes/No)
Yes No
1
Implementa-
tion of com-
mon
inspection
items
1. Perform the basic inspection
items for abnormality of the HV
control CAN system.
•
Refer to the "CAN COMMUNI-
CATION (HYBRID SYSTEM)"
in the chapter "CONTROL
SYSTEM".
Defect is
found: Go to
YES.
Defect is not
found: Go to
NO.
Repair or
replace the
malfunction-
ing part
detected by
the common
inspection
items.
Go to step 2.
2
Reproduction
check [HINO-
DX]
1. Set the starter key to the
"LOCK" position.
2. Connect the diagnosis tool
(HINO-DX) to the vehicle.
3. Set the starter key to the "ON"
position.
4. Clear the malfunction history of
the HV ECU, inverter, and vehi-
cle control ECU.
5. Set the starter key to the
"LOCK" position and wait for
approximately 1 minute.
6. Set the starter key to the "ON"
position.
7. In [Fault Information] on the
diagnosis tool screen, check if
DTC U0110-14 is detected.
DTC U0110-
14 is detected:
Go to YES.
DTC U0110-
14 is not
detected: Go
to NO.
Go to step 3.
The inspec-
tion is com-
pleted.
(Temporary
actuation of
protection
function due to
external noise
or connector
terminal con-
tact resis-
tance return)
3
Inspecting the
HV ECU
[HINO-DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
DTC U0073-11 is detected in
the HV ECU.
DTC U0073-
11 is detected:
Go to YES.
DTC U0073-
11 is not
detected: Go
to NO.
Perform trou-
bleshooting for
each of related
DTC.
(Perform trou-
bleshooting of
U0073-11
Step 2 and
onward.)
Go to step 4.
4
Inspecting the
inverter 1
[HINO-DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
DTC U0073-91 (control CAN
abnormality) is detected in the
inverter.
DTC U0073-
91 is detected:
Go to YES.
DTC U0073-
91 is not
detected: Go
to NO.
Replace the
inverter.
Go to step 5.
5
Inspecting the
inverter 2
[HINO-DX]
1. In [Fault Information] on the
diagnosis tool screen, check if
DTC P0A1B-92 (Stuck control
CAN register) is detected in the
inverter.
DTC P0A1B-
92 is detected:
Go to YES.
DTC P0A1B-
92 is not
detected: Go
to NO.
Replace the
inverter.
Go to step 6.