Dual Pressure Switch

Operating Characteristics:

Pressure S/W Operating Conditions:

1. Install the manifold gauge set.
2. Start the engine and turn A/C ON switch ON.
3. Open the hand valves of the low pressure service port and the high pressure service port.
4. Check the pressure readings on the manifold gauge indicator.
5. For the continuity inspection, disconnect the connector of the triple (dual) pressure switch.
6. Check the continuity between the four (two) terminals of the triple (dual) pressure switch shown in figure. And refer to the "Pressure S/W operating conditions". If defective, replace the triple (dual) pressure switch.
Pressure S/W operating conditions