Toyota CH-R Service Manual: Inspection

Toyota CH-R Service Manual / Heating / Air Conditioning / Front Evaporator Temperature Sensor(for Valeo Made) / 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.

Component without harness connected

(No. 1 Cooler Thermistor)

Sensing Portion

Resistance (kΩ)

Temperature (°C (°F))

Allowable Range

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 - 2	-10°C (14°F)	16.86 to 16.36 kΩ
	-5°C (23°F)	12.86 to 12.54 kΩ
	0°C (32°F)	9.89 to 9.70 kΩ
	5°C (41°F)	7.70 to 7.52 kΩ
	10°C (50°F)	6.04 to 5.89 kΩ
	15°C (59°F)	4.77 to 4.65 kΩ
	20°C (68°F)	3.81 to 3.69 kΩ
	25°C (77°F)	3.05 to 2.95 kΩ
	30°C (86°F)	2.46 to 2.37 kΩ

If the resistance is not as specified, replace the No. 1 cooler thermistor.

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.

HINT:

As the temperature increases, the resistance decreases (see the graph).

If the specified condition is not met, replace the No. 1 cooler thermistor.

Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ...

Installation

INSTALLATION PROCEDURE 1. INSTALL NO. 1 COOLER THERMISTOR (a) Install the No. 1 cooler thermistor. HINT: Install the No. 1 cooler thermistor in the same area as the one that was previously inst ...

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