toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Low Pressure Sensor / Switch, HVAC > < Evaporator Temperature Sensor / Switch|Locations|Page 125
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High Pressure Sensor / Switch: Testing and Inspection

1.

Connect manifold gauge set.

2.

Unplug switch electrical connector. Switch is located on receiver-drier.

3.

Check switch continuity.

4.

If meter does not indicate continuity with pressure reading less than 256 psi, switch is defective.

Low Pressure Sensor / Switch, HVAC > < Evaporator Temperature Sensor / Switch|Locations|Page 125