Operation CHARM: Car repair manuals for everyone.

In-Car Sensor Test

Control System Input Components:




IN-VEHICLE SENSOR
After disconnecting in-vehicle sensor harness connector, measure resistance between terminals 36 and 46 at sensor harness side, using the table below.

Temperature Resistance
°C (°F) kOhms
-35 (-31) 38.35
-30 (-22) 28.62
-25 (-13) 21.61
-20 (-4) 16.50
-15 (5) 12.73
-10 (14) 9.92
-5 (23) 7.80
-0 (32) 6.19
5 (41) 4.95
10 (50) 3.99
15 (59) 3.24
20 (68) 2.65
25 (77) 2.19
30 (86) 1.81
35 (95) 1.51
40 (104) 1.27
45 (113) 1.07
50 (122) 0.91
55 (131) 0.77
60 (140) 0.66
65 (149) 0.57

Aspirator:




Aspirator:




ASPIRATOR
The aspirator is located below the side link of heater unit. It produces vacuum pressure due to air discharged from the heater unit, continuously taking compartment air in the aspirator.