Mitsubishi 1989-1993 GALANT Service Manual page 194

FUEL SYSTEM <SOHC-8 VALVE>
Consequently, the intake air temperature sensor
terminal voltage varies in accordance with the
temperature of the intake air, becoming lower
when the temperature of the intake air in-
creases.
INSPECTION
Using Scan tool
Data reading 13
HARNESS INSPECTION
connector -,-S=
[
Volume air flow
sensor side connector
Data display Check conditions
Ignition switch: ON
Sensor de-
Or, engine running
temperature
Check for continuity of the ground
circuit.
. Connector: Disconnected
a
Measure the power supply voltage.
Connector: Disconnected
I
SENSOR INSPECTION
(1) Disconnect the volume
(2) Measure resistance between terminals @ and @.
Temperature "C ("F)
TSB Revision
TROUBLESHOOTING HINTS
Because the intake air temperature
the temperature of the intake air in
indicates a temperature different than the tempera-
ture of the outside air when the engine is running.
Intake air temp.
At -20°C (-4°F)
At 0°C (32°F)
Voltage (V)
4.5-4.9
air flow sensor connectors.
0 (32)
20 (68)
80 (176)
sensor detects
the air cleaner, it
Standard value
I
OK
cl
Repair the
harness.
A
STOP
Resistance (kS2)
6.0
2.7
0.4
I