Checklist: P259F - Hino 238 Workshop Manual

4–1272

CHECKLIST: P259F

DTC: P259F
Step Action
Check the
Check if any DTC other than
DTC detected
P259F (for example U010C) has
1 1 (Engine
been detected in [Engine]
ECU) [Hino-
DX]
Check the
DTC detected
Check if P259F has been
2 2 (Engine
detected in [Engine].
ECU) [Hino-
DX]
1.
Check the
operation of
3 the VNT con-
2.
troller [Hino-
DX]
<Measurement conditions>
Starter switch: LOCK  ON
ENGINE CONTROL SYSTEM (J08E)
Nozzle operating range failure -WIDE
(VNT actuator wiping error (too wide range))
Description
Erase the malfunction his-
tory, set the starter switch to
the "LOCK" position.
Check if P259F has been
detected in [Engine].
Check
Judgement
(Yes/No)
DTC other
than P259F
(for example
U010C) has
been detected:
Go to YES.
No DTC has
been detected:
Go to NO.
DTC P259F
has been
detected: Go
to YES.
No DTC has
been detected:
Go to NO.
DTC P259F
has been
detected: Go
to YES.
No DTC has
been detected:
Go to NO.
Inspection procedure
Yes No
Go to diagno-
sis procedure
of a related
Go to step 3.
DTC.
Go to step 2
after repair.
Procedure
completed.
Perform "After-
Go to step 3. inspection
work" of
INFORMA-
TION section.
Replace the
turbocharger.
Perform "After-
inspection Go to step 4.
work" of
INFORMA-
TION section.