HVAC Schematics. Cadillac CTS 2004

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2004 🢒 CTS 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 HVAC Schematics

Figure 1:	Blower Motor Controls Master Electrical Component List Air Delivery Description and Operation A/C Compressor Controls - 2.6L/3.2L (LY9/LA3) Underhood Fuse Block B+ Bus - 1 of 2 Left Rear Fuse Block B+ Bus Left Rear Fuse Block IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, and HDLP LEVELING and IGN 3 Fuses Left Rear Fuse Block IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, and HDLP LEVELING and IGN 3 Fuses G201 G402 - 2 of 2
Figure 2:	A/C Compressor Controls - 2.6L/3.2L (LY9/LA3) Master Electrical Component List Air Temperature Description and Operation A/C Compressor Controls - 3.6L (LY7) Blower Motor Controls Class 2 Serial Data Bus - LHD - 1 of 2 Underhood Fuse Block B+ Bus - 1 of 2 Engine Data Sensors - 5 Volt and Low Reference Buses G100 and G107 - 2.6L/3.2L (LY9/LA3)
Figure 3:	A/C Compressor Controls - 3.6L (LY7) Master Electrical Component List Air Temperature Description and Operation A/C Compressor Controls - 5.7L (LS6) A/C Compressor Controls - 2.6L/3.2L (LY9/LA3) Underhood Fuse Block B+ Bus - 1 of 2 Class 2 Serial Data Bus - LHD - 1 of 2 Engine Data Sensors - Low Reference Engine Data Sensors - 5-Volt Reference G130, G131, G132 and G133 - 3.6L (LY7)
Figure 4:	A/C Compressor Controls - 5.7L (LS6) Master Electrical Component List Air Temperature Description and Operation Air Delivery/Temperature Control Actuators - LHD A/C Compressor Controls - 3.6L (LY7) Underhood Fuse Block B+ Bus - 1 of 2 Class 2 Serial Data Bus - LHD - 1 of 2 G140, G141 and G142 - 5.7L (LS6)
Figure 5:	Air Delivery and Temperature Control Actuators - LHD Master Electrical Component List Air Temperature Description and Operation Air Delivery/Temperature Control Actuators - RHD A/C Compressor Controls - 5.7L (LS6) Left Rear Fuse Block IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, and HDLP LEVELING and IGN 3 Fuses Underhood Fuse Block DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM and ABS Fuses Ambient Air Temperature Sensor, Sunload Sensor, Coolant Level Switch and DIC G201
Figure 6:	Air Delivery and Temperature Control Actuators - RHD Master Electrical Component List Air Temperature Description and Operation Ambient Air Temperature Sensor, Sunload Sensor, Coolant Level Switch and DIC Air Delivery/Temperature Control Actuators - LHD Left Rear Fuse Block IGN 3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, and HDLP LEVELING and IGN 3 Fuses Underhood Fuse Block DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM and ABS Fuses Ambient Air Temperature Sensor, Sunload Sensor, Coolant Level Switch and DIC G201
Figure 7:	Ambient AirTemperature Sensor, Sunload Sensor, Coolant Level Switch and DIC Master Electrical Component List Air Temperature Description and Operation Air Delivery/Temperature Control Actuators - RHD Class 2 Serial Data Bus - LHD - 2 of 2 G101 Coolant By-Pass Solenoid, Afterboil Coolant Pump, Coolant Level Switch and Indicators Air Delivery/Temperature Control Actuators - LHD