300SDL (126.125) L6-3.0L DSL Turbo (603.961) (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.