R-134A Systems
| Low Pressure | A/C Compressor Clutch Switch Open Below | 1.2 Bar (bar) |
| A/C Compressor Clutch Switch Closed Above | 2.4 Bar (bar) | |
| High Pressure | A/C Compressor Clutch Switch Closes Below | 24.0 Bar (bar) |
| A/C Compressor Clutch Switch Opens Above | 32.0 Bar (bar) | |
| Radiator Cooling Fan Between terminal 3 and 4 | Switch Opens Below | 12.5 Bar (bar) |
| Switch Opens Above | 16.0 Bar (bar) |