COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S68
9Y3200007CRS0106US0
Name Intake air temperature built-in MAF sensor abnormality
ISO 14229
P-Code
P0072 P0073
J1939-73
SPN 171 171
FMI 43
SPN Name
SAE J1939 Table C1
Ambient Air Temperature Ambient Air Temperature
DTC Name
Intake air temperature built-in MAF sensor:
Low
Intake air temperature built-in MAF sensor:
High
Detection item
• Ground short circuit of sensor / harness • Open circuit or +B short circuit of sensor
/ harness.
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
Limp Home Action
by engine ECU
(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
or Key switch turn OFF
• Diagnostic counter = zero
or Key switch turn OFF
Delay time for
recovery
• Immediately • Immediately
Remark