Checking A/C System

Tests 572 - 577:

Tests 578 - 582:

Tests 583 - 585:

SYMPTOM
* CHECKING THE A/C SYSTEM

POSSIBLE CAUSES
- A/C clutch coil ground circuit open
- A/C clutch relay output circuit open
- Air conditioning request circuit open
- Air conditioning select circuit open
- Fused B(+) circuit open
- Refrigerant sys not properly charged
- A/C clutch relay defective
- FIN sensing cycling clutch switch defective
- High press cut-off switch defective
- Low pressure cycling switch defective
- Air conditioning clutch coil defective