Intake Air Temperature Sensor (W/O Air Flow Meter - Toyota 4A-FE Repair Manual

EFI SYSTEM - Electronic Control System
Fl-139
INTAKE AIR
TEMP .
SENSOR
Thermistor
4A-FE
Ohmmeter
CQ ~
[- - _J o>++-- ·, - .
,O ·jq
Intake Air Temperature Sensor
(w/o Air Flow Meter)
40
20
10
8 -
c:
6
..::.t.
4
w
u
z
2
<r:
t;
1
U5
0 .8
~
0.6
0.4
0 .2
-20 0 20 40 60 80 1 00 1 20
(-4) (32) (68)(104)(140)(1 76){21 2)(248)
TEMPERATURE °C (°F)
F12s3of10109
INSPECTION OF INTAKE AIR TEMPERATURE
SENSOR
INSPECT RESISTANCE OF INTAKE AIR TEMPERATURE
SENSOR
Using an ohmmeter, measure the resistance between the
terminals .
Resistance: Refer to the chart above
If the resistance is not as specified, replace the sensor.