Volvo Workshop Manuals
XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Powertrain Management > Computers and Control Systems > Sensors and Switches - Computers and Control Systems > Intake Air Temperature Sensor > Component Information > Description and Operation > Temperature Sensor, Intake (Turbocharged Engines) > Page 4734
Intake Air Temperature Sensor: Description and Operation
Outside Temperature Sensor
The outside temperature sensor detects the temperature in the surrounding air. The signal is used by the engine control module (ECM) as a substitute
The sensor is a negative temperature coefficient (NTC) type which is supplied with power from the control module (signal) and is grounded in the
The resistance in the sensor, which provides a signal between 0-5 V, changes depending on the outside temperature. Low temperatures produce high
The outside temperature sensor is positioned in the left door mirror.
The engine control module (ECM) can diagnose the outside temperature sensor. The sensor value can be read off using VADIS/VIDA.
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