Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Room Temperature Sensor

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Heating / Air Conditioning / Room Temperature Sensor

Removal

REMOVAL

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure

Part Name Code

1

LOWER CENTER INSTRUMENT PANEL FINISH PANEL

55434F

-

-

-

2

COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)

88625Q

-

-

-

PROCEDURE

1. REMOVE LOWER CENTER INSTRUMENT PANEL FINISH PANEL

Click here

2. REMOVE COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)

Inspection

INSPECTION

PROCEDURE

1. INSPECT COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I227-1 - I227-2

10°C (50°F)

3.00 to 3.73 kΩ

I227-1 - I227-2

15°C (59°F)

2.45 to 2.88 kΩ

I227-1 - I227-2

20°C (68°F)

1.95 to 2.30 kΩ

I227-1 - I227-2

25°C (77°F)

1.60 to 1.80 kΩ

I227-1 - I227-2

30°C (86°F)

1.28 to 1.47 kΩ

I227-1 - I227-2

35°C (95°F)

1.00 to 1.22 kΩ

I227-1 - I227-2

40°C (104°F)

0.80 to 1.00 kΩ

I227-1 - I227-2

45°C (113°F)

0.65 to 0.85 kΩ

I227-1 - I227-2

50°C (122°F)

0.50 to 0.70 kΩ

I227-1 - I227-2

55°C (131°F)

0.44 to 0.60 kΩ

I227-1 - I227-2

60°C (140°F)

0.36 to 0.50 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.

HINT:

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

If the result is not as specified, replace the cooler thermistor (room temperature sensor).

*a

Component without harness connected

(Cooler Thermistor (Room Temperature Sensor))

*b

Sensing Portion

*c

Resistance (kΩ)

*d

Temperature (°C (°F))

*e

Allowable Range

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure

Part Name Code

1

COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)

88625Q

-

-

-

2

LOWER CENTER INSTRUMENT PANEL FINISH PANEL

55434F

-

-

-

PROCEDURE

1. INSTALL COOLER THERMISTOR (ROOM TEMPERATURE SENSOR)

2. INSTALL LOWER CENTER INSTRUMENT PANEL FINISH PANEL

Click here

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