Lexus IS250 IS220d GSE20 ALE20 - AIR CONDITIONING
COMPRESSOR AND MAGNETIC CLUTCH - INSPECTION
| 1. INSPECT A/C COMPRESSOR |
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Condition E8-1 (MG+) - A-1 Always Below 1 Ω E8-1 (MG;) - Body ground Always 10 kΩ or higher
If the resistance is not as specified, replace the A/C compressor.
| 2. INSPECT MAGNETIC CLUTCH |
Measure the resistance of the connector.
- Standard resistance:
Tester Connection Condition Specified Condition A-1 - Body ground Always 3.4 to 3.8 Ω
If the resistance is not as specified, replace the magnetic clutch.
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) |
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Specified Condition E8-2 (SSR+) - E8-5 (SSR-) 160 to 320 Ω
If the resistance is not as specified, replace the A/C compressor.
| 4. INSPECT A/C COMPRESSOR (SOLENOID) |
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection Condition Specified Condition E8-3 (SOL+) - E8-6 (SOL-) 20°C (68°F) 10 to 11 Ω
If the resistance is not as specified, replace the A/C compressor.