Checking A/C System Operation With No DTC's
SYMPTOMCHECKING A/C SYSTEM OPERATION WITH NO DTC'S
POSSIBLE CAUSES
- A/C clutch relay output circuit open
- A/C compressor clutch ground circuit open
- Fused B(+) circuit open
- A/C clutch coil defective
- A/C select circuit open
- High press cut-OFF switch defective
- Refrigeration system not properly charged
- A/C request circuit open (B)
- Low pressure cycling switch defective
- A/C clutch relay defective