Mitsubishi 3000GT Service Manual page 128

MULTIPORT FUEL INJECTION
Fault ID
13
Intake Air Temperature Sensor
Background
temperature to a voltage and outputs it.
The engine control module checks whether the voltage is within
l
a specified range.
Range of Check
Ignition switch : ON
l
Excluding 60 seconds after the ignition switch is turned to ON
l
or immediately after the engine starts.
Set Conditions
Sensor output voltage is 4.6 V or more (corresponding to an
l
intake air temperature of 45% (49°F) or less) for 4 seconds.
or
Sensor output voltage is 0.2 V or less (corresponding to an
l
intake air temperature of 125°C (257'F) or more) for 4 seconds.
Range of Check
Ignition switch : ON
l
Excluding 60 seconds after the ignition switch is turned to ON
l
or immediately after the engine starts.
Set Conditions
When the closed throttle position switch is ON, the sensor output
l
voltage is 2 V or more for 4 seconds.
Title
Limp-in
air temperature is 25°C
(77°F).
TSB Revision
Effect Probable causes
Intake air temperature sensor
l
failed.
temperature sensor circuit, or
loose connector.
Engine control module failed.
l
Probable causes
i