toyota Workshop Repair Guides

Toyota Pickup 2WD 24L SOHC Workshop Service and Auto Repair Manuals

Refrigerant Pressure Sensor / Switch, HVAC|Locations|Page 1489 > < Refrigerant Pressure Sensor / Switch, HVAC|Locations
Page 1
background image

Refrigerant Pressure Sensor / Switch: Testing and Inspection

Fig. 11 Pressure Switch Terminal Identification.

1.

Connect manifold and gauge set to compressor. Gauge reading should be 30 psi, minimum with ambient temperature above 32 deg. F.

2.

Remove glove box and disconnect pressure switch lead wires.

3.

Check continuity between terminals of amplifier as indicated in Fig. 11. Ohmmeter should 0 ohms of resistance. Replace pressure switch is
defective.

Refrigerant Pressure Sensor / Switch, HVAC|Locations|Page 1489 > < Refrigerant Pressure Sensor / Switch, HVAC|Locations