COMMON RAIL SYSTEM
V3800-CR-TE4,V3800-CR-TIE4, DM
1-S109
9Y1200192CRS0649US0
Name
Differential pressure sensor 1 abnormality
ISO 14229
P-Code
P2454
P2455
J1939-73
SPN
3251
3251
FMI
4
3
DTC Name
Differential pressure sensor 1: Low
Differential pressure sensor 1: High
Management Unit
for Detected Part
PEX1L
PEX1H
Detection item
• Ground short circuit of sensor / harness
• Failure of sensor
• Open circuit or +B short circuit of sensor
/ harness.
• Failure of sensor
DTC Set
Preconditions
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
• Starter Switch signal (ECU: B-54
terminal) is not activated
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
• Starter Switch signal (ECU: B-54
terminal) is not activated
DTC set parameter
• DPF differential pressure sensor voltage:
0.21 V or less
• DPF differential pressure sensor voltage:
4.7 V or more
Time to action or
number of error
detection
• 2.8 sec. or more
• 2.8 sec. or more
System Action
• 0 kPa (0.0 kgf/cm
2
, 0.0 psi) [default
value]
• 0 kPa (0.0 kgf/cm
2
, 0.0 psi) [default
value]
Behaviour During
Malfunction
• None
• None
Engine Warning
Light
• ON
• ON
Recovery from
error
• Key switch turn OFF
• Key switch turn OFF
KiSC issued 05, 2012 A