AC pressure switch normal positions

1997 JAGUAR XK8
23,000 MILES
Avatar
DDBERRINGER
  • MEMBER
  • 1 POST
What are the normal positions (open or closed)for the air conditioner four way pressure switch with equal pressure (engine off) and system charged?
Dec 1, 2011 at 4:08 AM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
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).
Dec 2, 2011 at 8:04 PM