AC pressure switch normal positions

DDBERRINGER

MEMBER
1997 JAGUAR XK8
23,000 MILES

What are the normal positions (open or closed)for the air conditioner four way pressure switch with equal pressure (engine off) and system charged?

Thursday, December 1st, 2011 AT 4:08 AM

1 Reply

HMAC300

MECHANIC
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).