190D 2.5 (201.126) L5-2.5L DSL (602.911) (1987)
Intake Air Temperature Sensor: Testing and Inspection
1.
With the engine shut off, disconnect the airflow sensor connector.
2.
Check the resistance between terminals 1 and 2. If the resistance is not between 2200 and 2800 Ohms at 68° F (20° C), replace the air temperature
sensor.