Intake Air Temperature Sensor (In Air Flow Meter)

Check function:
[D] 200 - With the engine at operating temperature, the intake air temperature is at 50...70 °C (ambient air temperature 23 ± 5 °C).
A display below - 40 °C indicates a break in the temperature sensor or in the supply wire to the DME control unit.

Resistance test:
Connect universal adapter, measure resistance across the terminals 44 and 26.