Prizm L4-1600cc 1.6L DOHC VIN 6 (1990)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
Pressure Switch
Inspect
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Disconnect pressure switch from electrical connector.
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Check the continuity between the two terminals as shown in the chart. If the switch is defective, replace it.
Install pressure switch in vehicle. Install new O-rings.