ENGINE (J05E)/TROUBLESHOOTING
2–267
DTC: P0122 and P0123
EN01H02127030602016048
P0122: Intake throttle valve position sensor 1 - out of range (Out of range low)
INFORMATION
1.
Technical description
•
The diesel throttle controls valves steplessly to control boost pressure and intake air volume.
•
Inside the diesel throttle, a sensor designed to detect a travel of the valve consistently monitors a measurement
reading and an actual opening.
<Description of malfunction>
•
Low voltage failure of diesel throttle (intake throttle valve) position sensor is detected.
2.
DTC set condition
(1)
DTC detection condition
•
Starter key "ON".
•
Battery voltage is in the range of 10 V to 16 V.
•
The engine is stopped, or the engine speed remains at 500 r/min or more for 5 seconds or more.
(2)
Judgement criteria
•
Diesel throttle position sensor remains at 0.2 V (5
C {41
F}) or less for 3 seconds or longer.
3.
Reset condition
•
After restoration to normal condition
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
SVS light: OFF
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
•
–
<Symptoms on the vehicle due to malfunction>
•
–
6.
Pre-inspection work
•
Check that the battery voltage is in the normal range.
Diesel throttle
XFC
XFD
Z6P
XSR
(E2R)
(VCR)
(E2)
(VTA2)
X0N
(VC)
XQT (M-)
(M+)
XQS
(E3)
ZD6
(VC2)
XG2
(VTA2)
X3V
TYP 0.2A
X3U
(VTA)
(VTA1)
XK3
TYP 0.2A
TYP 0.2A
TYP 0.2A
TYP 1A
TYP 1A
Engine ECU
SHTS021270300247