Test Point 21

TEST POINT 21
Intake air temperature

DTC 124

Note: The intake air temperature sensor is integrated in the hot film mass air flow sensor.

1. measure resistance:

Pull control module connector off the adapter1 as otherwise the measurement result will be falsified.

Connect ohmmeter to pin 15 and pin 45.

Display: 1.5 - 3.5 kohms @ 15 - 30 °C