What are the normal positions (open or closed)for the air conditioner four way pressure switch with equal pressure (engine off) and system charged?
have the same problem?
Thursday, December 1st, 2011 AT 4:08 AM
FOUR LEVEL PRESSURE SWITCH
Four level pressure switch is mounted in discharge pipe. It provides a signal, via A/C module and engine control module, to disengage compressor clutch drive when refrigerant pressure drops to 29.0 psi (2 bar) or
increases to greater than 435 psi (30 bar).