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Toyota Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer) > < Intake Air Temperature Sensor|Specifications|Page 1428
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Intake Air Temperature Sensor: Testing and Inspection

1. REMOVE IAT SENSOR
2. INSPECT IAT SENSOR RESISTANCE

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Using an ohmmeter, measure the resistance between the terminals.

Resistance: Refer to the graph 

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If the resistance is not as specified, replace the sensor.

3. REINSTALL IAT SENSOR

Coolant Temperature Sensor/Switch (For Computer) > < Intake Air Temperature Sensor|Specifications|Page 1428