COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S85
9Y3200007CRS0123US0
Name Boost pressure sensor abnormality
ISO 14229
P-Code
P0237 P0238
J1939-73
SPN 102 102
FMI 43
SPN Name
SAE J1939 Table C1
Engine Intake Manifold #1 Pressure Engine Intake Manifold #1 Pressure
DTC Name Boost pressure sensor: Low Boost pressure sensor: High
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
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
DTC set parameter
• Voltage of boost pressure sensor is 0.2 V
or below
• Voltage of boost pressure sensor is 4.9 V
or above
Time to action or
number of error
detection
• 2.8 sec. or more • 2.8 sec. or more
Limp Home Action
by engine ECU
(system action)
• 65kPa (0.66 kgf/cm
2
, 9.4 psi)
[default value]
• 65 kPa (0.66 kgf/cm
2
, 9.4 psi)
[default value]
Behaviour During
Malfunction
• Insufficient output • Insufficient output
Engine Warning
Light
•ON •ON
Recovery from
error
• Key switch turn OFF • Key switch turn OFF
Delay time for
recovery
––
Remark
• Default value is changed in
consideration with high altitude usage
• Default value is changed in
consideration with high altitude usage