Cutlass V6-191 3.1L VIN M SFI (1998)
A/C Signal: Description and Operation
A/C Refrigerant Pressure Sensor
Description
The A/C refrigerant pressure sensor signal indicates high side refrigerant pressure to the PCM. The PCM uses this information to adjust the idle air
control valve to compensate for the higher engine loads present with high A/C refrigerant pressures and to control the cooling fans.
Circuit Faults
A fault in the A/C refrigerant pressure sensor signal will cause DTC P0530 to set. Refer to DTC P0530 A/C Refrigerant Pressure Sensor Circuit.
