FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Compressor HVAC: Testing and Inspection

Measured pressure
Low-pressure: 57-88 psi
(392-608 kPa, 4.0-6.20 kg/Sq.cm)

High-pressure: 107-152 psi
(736-1,050 kPa, 7.50-10.7 kg/Sq.cm)

Condition
No cooling.




Step 1
1. Run engine at a fast idle.
2. Verify that A/C compressor clutch is ON when A/C switch and blower switch are ON.
3. If A/C compressor clutch remains OFF, refer to "A/C Compressor Clutch does not operate".