Cooler thermistor (in-vehicle sensor)
Components Inspection Removal / installation
AIR CONDITIONER
COOLER THERMISTOR (IN-VEHICLE SENSOR)
EXPLODED VIEW
REMOVAL
1. Removal of instrument panel SUB-ASSY LWR (LHD model) (Refer to 
)
)2. Removal of instrument panel under cover SUB ASSY NO.2 (RHD model) (Refer to )
)
3. Removal of cooler thermistor (in-vehicle sensor) (LHD model)
(1) Release the 2 claws and remove the cooler thermistor (in-vehicle sensor).
4. Removal of cooler thermistor (in-vehicle sensor) (RHD model)
(1) Release the 2 claws and remove the cooler thermistor (in-vehicle sensor).
INSTALLATION
1. Installation of cooler thermistor (in-vehicle sensor)
(1) Engage the 2 claws and install the cooler thermistor (in-vehicle sensor).
2. Installation of instrument panel under cover SUB ASSY NO.2 (RHD model) (Refer to )
)3. Installation of instrument panel SUB-ASSY LWR (LHD model) (Refer to )
)UNIT INSPECTION
1. Inspection of cooler thermistor (in-vehicle sensor)
(1) Check the resistance between the connector terminals.
Resistance
| Inspection terminals |
Temperature |
Standard value |
|---|---|---|
| 1(-) ←→ 2(+) |
10°C {50°F} |
3.00 to 3.73 kΩ |
| 15°C {59°F} |
2.45 to 2.88 kΩ |
|
| 20°C {68°F} |
1.95 to 2.30 kΩ |
|
| 25°C {77°F} |
1.60 to 1.80 kΩ |
|
| 30°C {86°F} |
1.28 to 1.47 kΩ |
|
| 35°C {95°F} |
1.00 to 1.22 kΩ |
|
| 40°C {104°F} |
0.80 to 1.00 kΩ |
|
| 45°C {113°F} |
0.65 to 0.85 kΩ |
|
| 50°C {122°F} |
0.50 to 0.70 kΩ |
|
| 55°C {131°F} |
0.44 to 0.60 kΩ |
|
| 60°C {140°F} |
0.36 to 0.50 kΩ |
Captions in illustration
| *a |
Connector not connected (Cooler thermistor (in-vehicle sensor)) |
| *b |
Temperature sensor |
| *c |
Resistance (kΩ) |
| *d |
Tolerance range |
| *e |
Temperature (°C {°F}) |
NOTE:
·If you touch the temperature sensor, correct judgment cannot be made due to your body temperature. To inspect the cooler thermistor (in-vehicle sensor), hold the connector side.
·Perform inspection after the cooler thermistor (in-vehicle sensor) is adapted to the ambient temperature.
·Perform inspection after the cooler thermistor (in-vehicle sensor) is adapted to the ambient temperature.