Riviera V6-231 3.8L VIN L SFI (1991)
approximately -5°F (-21°C), the light will come "ON" due to the pressure temperature relationship of refrigerant R-12.
2.
The Recirculation or RECIRC status indicator is turned "ON" whenever the BCM is commanding air recirculation.
3.
The A/C solenoid or A/C status indicator is turned "ON" whenever the BCM commands air flow to be out the A/C vents. The light should be
"ON" in A/C and bi-level modes.
4.
The AIR UP status indicator is turned "ON" whenever the BCM commands air flow to be out the defroster outlet. The light should be "ON" in
defrost and A/C modes.
5.
The AIR DOWN status indicator is turned "ON" whenever the BCM commands air flow out the floor outlets. The light should be "ON" in heater
mode.
6.
The A/C Compressor or COMP status indicator is turned "ON" whenever the BCM is requesting the PCM to engage the compressor clutch.