45
- RTS (Evaporator air inlet thermistor): Pin-2 and pin-7
- CTS1 (Evaporator pipe thermistor): Pin-1 and pin-4
If the measured value is outside of the thermistor specification, replace the thermistor.
Thermistor
Check the resistance value across the 2 pins of 7- pin thermistor connector with an ohm-meter.
0
5
10
15
20
32
(0)
41
(5)
50
(10)
59
(15)
68
(20)
77
(25)
86
(30)
95
(35)
104
(40)
133
(45)
122
(50)
Temperature °F (°C)
Resistance (k ohm)
Thermistor Specification
7 X
2
4
X
X
1
RTS
CTS1
RTS
CTS1
7-pin connector
