Passat L4-1984cc 2.0L DOHC (1991)
Ambient Temperature Sensor / Switch HVAC: Testing and Inspection
Ambient Temperature Switch F38, Checking
Ambient temperature switch closes above 7°C (45°F) and opens below -1°C (30°F)
- set multimeter US 1119 to ohm scale
- connect test leads to terminals on ambient temperature switch
-
must be continuity (0 ohm) if temperature is above 7°C (45°F)