HVAC Schematics. Cadillac STS 2007

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 HVAC Schematics

Figure 1:	Power, Ground, Blower Motor, Recirculation Actuator (LHD) Master Electrical Component List Air Temperature Description and Operation Control Module References Power, Ground, Blower Motor, Recirculation Actuator (RHD) Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay Fuse Block - Right Rear - Lt Turn Signal, RIM 1, Rear Fog Lamp, Ft Pass Door Module, Htd Stg Clm, IGN 1, RIM 2 and Airbag Fuses, Rear Fog Lamp and Ign 1 Relays G104 (1 of 2) G201 (1 of 2) G201 (1 of 2) Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator DLC, Temperature Controls, Sunload Sensor DLC, Temperature Controls, Sunload Sensor DLC, Temperature Controls, Sunload Sensor G104 (1 of 2) Air Quality Sensor, Rear Mode Motor Air Quality Sensor, Rear Mode Motor
Figure 2:	Power, Ground, Blower Motor, Recirculation Actuator (RHD) Master Electrical Component List Air Temperature Description and Operation Control Module References Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Power, Ground, Blower Motor, Recirculation Actuator (LHD) Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay Fuse Block - Right Rear - Lt Turn Signal, RIM 1, Rear Fog Lamp, Ft Pass Door Module, Htd Stg Clm, IGN 1, RIM 2 and Airbag Fuses, Rear Fog Lamp and Ign 1 Relays G104 (1 of 2) G201 (1 of 2) G201 (1 of 2) Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator DLC, Temperature Controls, Sunload Sensor DLC, Temperature Controls, Sunload Sensor DLC, Temperature Controls, Sunload Sensor G104 (1 of 2) Air Quality Sensor, Rear Mode Motor Air Quality Sensor, Rear Mode Motor
Figure 3:	Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Master Electrical Component List Air Temperature Description and Operation Control Module References A/C Refrigerant Pressure Sensor and Compressor Clutch Power, Ground, Blower Motor, Recirculation Actuator (RHD) Power, Ground, Blower Motor, Recirculation Actuator (LHD) Power, Ground, Blower Motor, Recirculation Actuator (LHD) Power, Ground, Blower Motor, Recirculation Actuator (LHD)
Figure 4:	A/C Refrigerant Pressure Sensor Master Electrical Component List Air Temperature Description and Operation Control Module References DLC, Temperature Controls, Sunload Sensor Air Delivery, EVAP Temperature Sensor, Rear Passenger Air Temperature Actuator Fuse Block - Right Rear - Lt Turn Signal, RIM 1, Rear Fog Lamp, Ft Pass Door Module, Htd Stg Clm, IGN 1, RIM 2 and Airbag Fuses, Rear Fog Lamp and Ign 1 Relays Fuse Block Underhood Wiring Bussing GM LAN - High Speed, Domestic w/ UE1 Engine Data Sensors - Low Reference Bus Engine Data Sensors - 5-Volt Reference Bus G100 (LH2/LC3) G107 (LH2/LC3), G113 (LY7)
Figure 5:	DLC, Temperature Controls, Sunload Sensor Master Electrical Component List Cooling System Description and Operation Control Module References Air Quality Sensor, Rear Mode Motor A/C Refrigerant Pressure Sensor and Compressor Clutch GM LAN - Low Speed 2 of 2 Power, Ground, Blower Motor, Recirculation Actuator (LHD) Power, Ground, Blower Motor, Recirculation Actuator (LHD) Coolant Level Switch (RHD) After Boil Coolant Pump (RHD LH2 w/ V92/V03) Power, Ground, Blower Motor, Recirculation Actuator (LHD) Air Quality Sensor, Rear Mode Motor
Figure 6:	Air Quality Sensor, Rear Mode Motor Master Electrical Component List Air Temperature Description and Operation Control Module References DLC, Temperature Controls, Sunload Sensor Fuse Block - Underhood: Starter, RUN/CRANK Relays; Starter, Starter Relay, CCP, TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses DLC, Temperature Controls, Sunload Sensor G201 (2 of 2) Power, Ground, Blower Motor, Recirculation Actuator (LHD) Power, Ground, Blower Motor, Recirculation Actuator (LHD) G104 (2 of 2) G201 (2 of 2)