Toyota Yaris: Front Evaporator Temperature Sensor / Inspection
INSPECTION
PROCEDURE
1. INSPECT NO. 1 COOLER THERMISTOR
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (No. 1 Cooler Thermistor) | *b | Sensing Portion |
| *c | Resistance (kΩ) | *d | Temperature (°C (°F)) |
| *e | Allowable Range | - | - |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| h5-1 - h5-2 | -10°C (14°F) | 7.30 to 9.10 kΩ |
| h5-1 - h5-2 | -5°C (23°F) | 5.65 to 6.95 kΩ |
| h5-1 - h5-2 | 0°C (32°F) | 4.40 to 5.35 kΩ |
| h5-1 - h5-2 | 5°C (41°F) | 3.40 to 4.15 kΩ |
| h5-1 - h5-2 | 10°C (50°F) | 2.70 to 3.25 kΩ |
| h5-1 - h5-2 | 15°C (59°F) | 2.14 to 2.58 kΩ |
| h5-1 - h5-2 | 20°C (68°F) | 1.71 to 2.05 kΩ |
| h5-1 - h5-2 | 25°C (77°F) | 1.38 to 1.64 kΩ |
| h5-1 - h5-2 | 30°C (86°F) | 1.11 to 1.32 kΩ |
NOTICE:
- Hold the sensor only by its connector. Touching the sensing portion may change the resistance value.
- When measuring, the sensor temperature must be the same as the ambient temperature.
If the specified condition is not met, replace the No. 1 cooler thermistor.
Removal
REMOVAL PROCEDURE 1. REMOVE BLOWER ASSEMBLY Click here
2. REMOVE NO. 2 AIR DUCT Click here
3. REMOVE COOLER PIPE GROMMET Click here
4. REMOVE COOLER EXPANSION VALVE Click here
5...
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 1 COOLER THERMISTOR (a) Install the No. 1 cooler thermistor as shown in the illustration. Installation Position: Part Length A 45 to 55 mm (1...
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C..
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Key Suspend Function
If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.
To restore the functions, press the unlock button on the functions-suspended key in the vehicle.
