Patent ID: 6304803
Filing Date: 2001-10-16
Classification: B60H

Abstract:
A control system for an automobile heating, ventilation, and air conditioning (HVAC) system, said HVAC system comprising a front HVAC system and a rear HVAC system, comprising:a rear control system having a plurality of switches for manually controlling operation of the rear system;a front control system having a plurality of switches for manually controlling operation of the front system and for selectively manually controlling operation of said rear system;a microprocessor that is operable to transmit control information from said front control system to said rear control system;a control switch that selectively enables said rear control system switches such that, when said control switch is in a first position, said rear control system switches control operation of said rear system and said control information from said microprocessor is ignored and, when said control switch is in a second position, said rear system is manually controlled by said front control system switches in accordance with said control information supplied from said microprocessor.