Compressor HVAC: Testing and Inspection
HEATING / AIR CONDITIONING: COMPRESSOR: INSPECTION
1. INSPECT A/C COMPRESSOR (A/C LOCK SENSOR)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the resistance is not as specified, replace the A/C compressor.
Text in Illustration
2. INSPECT A/C COMPRESSOR (A/C COMPRESSOR SOLENOID)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the resistance is not as specified, replace the A/C compressor.
Text in Illustration
3. INSPECT A/C COMPRESSOR (A/C COMPRESSOR - MAGNETIC CLUTCH)
(a) Disconnect the connector from the A/C compressor.
(b) Disconnect the connector from the magnetic clutch.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the resistance is not as specified, replace the A/C compressor.
Text in Illustration
4. INSPECT MAGNETIC CLUTCH
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
If the resistance is not as specified, replace the magnetic clutch.
Text in Illustration
(b) When connector terminal 1 is connected to the positive (+) battery terminal, check that the following occurs: 1) the magnetic clutch's operating sound can be heard, and 2) the magnetic clutch's hub and rotor lock.
OK:
1)
The magnetic clutch's operating sound can be heard.
2)
The magnetic clutch's hub and rotor lock.
If the result is not as specified, replace the magnetic clutch.