Diesel Data: Automotive Repair

Coolant Temperature Sensor / Switch HVAC: Testing and Inspection

WATER TEMPERATURE SWITCH





INSPECT SWITCH CONTINUITY





Inspect the switch continuity between each terminal at each the water temperature.

Connector color (Wire Harness Side);

A: WHITE - For condenser fan

B: BLUE - For A/C cut (4A-FE Engine: with A/T)