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Home >> Lexus >> 2008 >> IS 250 AWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Testing and Inspection
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Compressor HVAC: Testing and Inspection








AIR CONDITIONING: COMPRESSOR AND MAGNETIC CLUTCH (for 4WD):

INSPECTION

1. INSPECT A/C COMPRESSOR






(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.
2. INSPECT MAGNETIC CLUTCH






(a) Measure the resistance of the connector.
Standard resistance:





If the resistance is not as specified, replace the magnetic clutch.
(b) When connector terminal A1 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.
3. INSPECT A/C COMPRESSOR (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.
4. INSPECT 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.
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