AIR CONDITIONING – Cadillac XTS Vsport Premium 2014 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 5) for Cadillac XTS Vsport Premium 2014

List of elements for Automatic A/C Wiring Diagram (1 of 5) for Cadillac XTS Vsport Premium 2014:

• (base of left kick panel) g203
• (right side of inlet grille panel) (w/ automatic air recirculation) air quality sensor
• 5 volt ref humidity/windscreen temp sens lo ref
• Air quality sens sig
• Auxiliary hvac control module (w/ front & rear electronic controls)
• Batt positive volt
• Blower mtr spd ctrl
• Body rncrnk fuse 10a
• Body rncrnk fuse 5a
• Computer data lines system
• Defogger system
• Duct lower auxiliary air temperature sensor (in auxiliary blower air duct)
• Duct upper auxiliary air temperature sensor (under instrument panel)
• Electric variable displacement ctrl
• Electric variable displacement sply
• G101 (middle of left radiator support)
• G307 (under driver's seat)
• Gnd
• Hot w/ ignition main relay energized
• Humidity sens sig
• Humidity temp sens sig
• Hvac control module
• Ign 1 volt run/crank
• Inside air temp sens lo ref
• Inside air temp sens sig
• Interconnect linear
• J109
• J200
• J203
• J225
• J226
• J236 (in instrument panel harness, between hvac control module breakout & multifunction switch - 2 instrument cluster breakout)
• Linear interconnect network bus 9
• Logic
• Low speed gmlan serial data
• Lower air temp sens sig
• Network bus 9
• Power distribution system
• Rear defog rly ctrl
• Run/crank ign 1 volt
• Solar sens driver sig
• Underhood fuse block (left side of engine compt)
• Upper air temp sens sig
• W/ front & rear electronic controls
• W/ headup display
• W/o front & rear electronic controls
• W/o headup display
• Windscreen temp sens sig
• X115
• X150
• X210
• X300

Automatic A/C Wiring Diagram (2 of 5) for Cadillac XTS Vsport Premium 2014

List of elements for Automatic A/C Wiring Diagram (2 of 5) for Cadillac XTS Vsport Premium 2014:

• A/c switch
• Ambient light/ sunload sensor (center of instrument panel upper trim)
• Anti-theft system
• Auto a/c switch
• Computer data lines system
• Defrost switch rear window
• Defrost switch windshield
• Down switch temperature left
• Headlights system
• Humidity sens sig
• Logic
• Low refr
• Mode down switch
• Mode up switch
• Power on ind
• Radio/hvac controls
• Recirculation switch
• Refr 5 volt
• Right
• Sens sig temp humidity
• Sens sig temp windscreen
• Switch fan up ventilating
• Switch power on
• Temperature down switch
• Temperature left
• Up switch
• Up switch temperature right
• Ventilating fan down switch
• Windshield temperature & inside moisture sensor (if equipped) (top center of windshield)
• X210
• Zone switch

Automatic A/C Wiring Diagram (3 of 5) for Cadillac XTS Vsport Premium 2014

List of elements for Automatic A/C Wiring Diagram (3 of 5) for Cadillac XTS Vsport Premium 2014:

• (passenger side at bottom of hvac casing) blower motor
• A/c compressor
• A/c compressor clutch
• A/c compressor solenoid valve
• A/c evaporator temperature sensor (passenger side of hvac casing)
• Blower mtr spd ctrl
• Duct left lower air temperature sensor (left side middle of hvac casing)
• Duct left upper air temperature sensor (left side top of hvac casing)
• Duct right lower air temperature sensor (right side middle of hvac casing)
• Duct right upper air temperature sensor (right side top of hvac casing)
• Fuse 10a
• Fuse 40a
• G120 (3.6l: left lower center of engine block) (3.6l turbo: right front of engine)
• G302 (base of right kick kick panel)
• Gnd
• Hot at all times
• Instrument panel fuse block (left side of dash)
• J120
• Logic
• Red
• Volt batt positive

Automatic A/C Wiring Diagram (4 of 5) for Cadillac XTS Vsport Premium 2014

List of elements for Automatic A/C Wiring Diagram (4 of 5) for Cadillac XTS Vsport Premium 2014:

• (in hvac harness, approximately 8 inch, from right side of hvac module) j233
• (in hvac harness, between hvac module breakout & hvac module, approximately 60 mm from hvac module breakout)
• (left side middle of hvac casing) left air temperature door actuator
• (on driver's side of hvac casing) mode door actuator
• Air inlet dr stepper mtr ctrl 1
• Air inlet dr stepper mtr ctrl 2
• Air inlet dr stepper mtr ctrl 3
• Air inlet dr stepper mtr ctrl 4
• Air recirculation door actuator (center of instrument panel)
• Auxiliary air temperature door actuator
• Auxiliary mode door actuator (forward & right of center console)
• Battery fuse block (on battery)
• Computer data lines system
• Data (+)
• Data (-)
• Engine coolant temperature gauge
• Evap core temp sens sig
• Fuse 250a
• Hot at all times
• Hvac control module
• Hvac mtr sply volt
• Instrument cluster
• J223
• Logic
• Lower left air temp sens sig
• Lower right air temp sens sig
• Mode dr stepper mtr ctrl 1
• Mode dr stepper mtr ctrl 2
• Mode dr stepper mtr ctrl 3
• Mode dr stepper mtr ctrl 4
• Mode dr stepper mtr rear ctrl 1
• Mode dr stepper mtr rear ctrl 2
• Mode dr stepper mtr rear ctrl 3
• Mode dr stepper mtr rear ctrl 4
• Most serial
• Rear mode mtr sply volt
• Red
• Right air temperature door actuator (right side middle of hvac casing)
• Sens low ref
• Temp dr stepper mtr ctrl 1
• Temp dr stepper mtr ctrl 2
• Temp dr stepper mtr ctrl 3
• Temp dr stepper mtr ctrl 4
• Temp dr stepper mtr pass ctrl 1
• Temp dr stepper mtr pass ctrl 2
• Temp dr stepper mtr pass ctrl 3
• Temp dr stepper mtr pass ctrl 4
• Temp dr stepper mtr rear ctrl 1
• Temp dr stepper mtr rear ctrl 2
• Temp dr stepper mtr rear ctrl 3
• Temp dr stepper mtr rear ctrl 4
• Upper left air temp sens sig
• Upper right air temp sens sig

Automatic A/C Wiring Diagram (5 of 5) for Cadillac XTS Vsport Premium 2014

List of elements for Automatic A/C Wiring Diagram (5 of 5) for Cadillac XTS Vsport Premium 2014:

• 87a
• A/c compressor clutch relay
• A/c compressor clutch rely ctrl
• A/c press sens 5 volt ref 1
• A/c refrigerant press sens lo ref
• A/c refrigerant press sens sig
• A/c refrigerant pressure sensor (lower right side of a/c condenser)
• Batt + volt
• Cfan k1 fuse 40a
• Cfan k2 fuse 40a
• Charge air cooler coolant pump (3.6l turbo) (under right fender)
• Charge air cooler coolant pump relay (3.6l turbo)
• Clutch fuse 10a
• Computer data lines system
• Coolant pump fuse 10a
• Cooling fan high speed relay
• Cooling fan low speed relay
• Cooling fan speed control relay
• Ecm batt fuse 5a
• Eng coolant temp sens sig
• Engine control module (near battery)
• Engine controls ignition relay
• Engine coolant temperature sensor (upper left side of engine)
• Fan rly a fuse 10a
• G101 (middle of left radiator support)
• G102 (right front of engine compt)
• G106 (upper left radiator support)
• G121 (right front of engine block)
• Gnd
• Hi spd cooling fan rly ctrl
• Hi spd gmlan serial data (+) 1
• Hi spd gmlan serial data (-) 1
• Hot at all times
• Hot w/ engine controls ignition relay energized
• Htr rly ctrl
• J101
• J102
• J109
• J118 (in forward lamp harness, between headlamp washer breakout & g109 breakout)
• J121
• J126 (at right front of vehicle, between drl breakout and right front suspension position sensor breakout)
• Left cooling fan motor
• Lo ref
• Lo spd cooling fan rly ctrl
• Red
• Right cooling fan motor
• Sply volt
• Underhood fuse block (left side of engine compt)
• X115
• X116
• X117
• X150