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COMMON RAIL SYSTEM
V3800-CR-TE4,V3800-CR-TIE4, DM
1-S68
9Y1200192CRS0608US0
Name
Intake air temperature built-in MAF sensor abnormality
ISO 14229
P-Code
P0072
P0073
J1939-73
SPN
171
171
FMI
4
3
DTC Name
Intake air temperature built-in MAF sensor:
Low
Intake air temperature built-in MAF sensor:
High
Management Unit
for Detected Part
THAIL
THAIH
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
• Battery voltage is normal
DTC set parameter
• Intake air temperature built-in MAF
sensor voltage: 0.1 V or less
• Intake air temperature built-in MAF
sensor voltage: 4.9 V or more
Time to action or
number of error
detection
• 2.8 sec. or more
• 2.8 sec. or more
System Action
• 25 °C (77 °F) [default value]
• 25 °C (77 °F) [default value]
Behaviour During
Malfunction
• None
• None
Engine Warning
Light
• ON
• ON
Recovery from
error
• Diagnostic counter = zero
• Diagnostic counter = zero
KiSC issued 05, 2012 A