The car is cycling AC compressor Without showing the light
Without placing the climate control in the on position
Occurs from the start of the car
Will cycle off intermittently-most likely responding to pressure sensor in the system
The compressor is not locked
The fly wheel is not locked
The servo that runs the fly wheel appears to be responding appropriately to a signal that is not being created by the climate control unit
What makes this problem better or worse?
Random
How long has your 1992 Lexus SC400 had this problem?
RepairPal Certified shops can diagnose and repair your 1992 Lexus SC400. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
MOST HVAC systems are designed to cycle the a/c compressor when defrost mode is selected as it not only provides an excellent de-humidifier but it is also exercises the a/c system during cooler temperatures.
(Light doesn't illuminate)
