AIR CONDITIONING – Cadillac DeVille DTS 2003 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac DeVille DTS 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac DeVille DTS 2003:

• inst panel
• (body harn, 53.5 cm from c201)
• (i/p harn, 65 cm from radio conn breakout)
• (left front corner of engine) g100
• A/c clu fuse 15a
• A/c compressor clutch
• A/c compressor clutch solenoid
• A/c compressor temperature switch
• A/c low temp
• A/c refrigerant low temperature sensor (rear of engine compt, on a/c low pressure line)
• A10
• A11
• A12
• Ac clu relay
• Acc
• Air inlet act drv
• Air inlet act sig
• Air mix act drv
• Air mix act sig
• Air temperature actuator assembly (on right side of of hvac module)
• Ambient air temperature sensor (on hood latch support)
• Aux
• Auxiliary air temperature sensor (under front console, near aux blower mtr)
• B10
• B11
• Bat
• Blwr spd cntrl
• C11
• Computer data lines system
• Dash integration module (dim) (behind right side of dash, near blower motor)
• Dim fuse 10a
• Drvr air mix drv
• Drvr air mix sig
• G201 (under right front door sill trim plate)
• Ground
• Headlights system
• Hot at all times
• Hot in on
• Hot in on or start
• Hvac fuse 10a
• Iat sens cntrl
• Iat sens sig
• Ign
• Ign sw fuse 15a
• Ignition switch
• Inside air temperature sensor (behind left side of dash, left of steering column)
• Instrument panel integration module (above radio)
• Left air temperature actuator (on left side of hvac module)
• Left sun load sensor
• Lh sun load sens
• Lock
• Lower left air temperature sensor (under left side of dash, in a/c dash)
• Lower right air temperature sensor (under right side of dash, in a/c duct)
• Mode act drv
• Mode act sig
• Mode actuator (on left side of hvac module)
• Nca
• Pnk
• Rear fuse block (under left rear seat)
• Recirculation actuator (under right side of dash, right of blower motor)
• Red
• Rh sun load sens
• Right
• Right sun load sensor
• Rr air mix act drv
• Rr air mix act sig
• S130
• S205
• S207 (i/p harn, 86.1 cm from
• S213 (body harn, 73.2 cm from c200)
• S215
• Sensor return
• Serial data 2
• Splice pack sp201
• Start
• Steer whl ctrl
• Sun load sensor assembly (at top center of dash, in defogger grille)
• Tan
• Temp sens input
• Underhood fuse block (right side of engine compt)
• Upper left air temperature sensor (under left side of dash, in a/c duct)
• Upper right air temperature sensor (under right side of dash, in a/c duct)
• Voltage sens

Automatic A/C Wiring Diagram (2 of 2) for Cadillac DeVille DTS 2003

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac DeVille DTS 2003:

• (console harn, 68 cm from rear heater and a/c control module conn)
• (dhs)
• (dts)
• (rear hvac harn, 17.5 cm from rear blower motor) s307
• 350(dhs)
• 450(dts)
• A/c refrigerant pressure sensor (on a/c pressure hose, near compressor)
• A/c relay
• Auxiliary blower motor (front of center console, below ashtray)
• Auxiliary blower motor resistor assembly (at front of center console)
• Auxiliary hvac control module (at rear of center console)
• Auxiliary mode actuator (under front console, near auxiliary blower motor)
• B10
• Bat
• Battery
• Blower motor
• Blower motor control processor (under right side of dash, right of blower motor)
• Blwr grd
• Blwr sw high
• Blwr sw low
• Blwr sw m/h
• Blwr sw med
• Computer data lines system
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Coolfan 1 relay
• Coolfan 2 relay
• Coolfan s/p relay
• D10
• D11
• Dhs
• Dts
• E nca
• E10
• Ect sens grd
• Ect sens sig
• Engine coolant temperature (ect) sensor (right rear of engine, near egr valve)
• F11
• Fan
• G nca
• G104 (right front of engine compt)
• G201
• G201 (under right front door sill trim plate)
• Grd
• Ground
• High spd fan
• Hot at all times
• Hot in run
• Hvac blo fuse 40a
• Ign
• Ign 3 rr fuse 10a
• Illum grd
• Illumination
• Inflatable restraint steering wheel module coil
• Interior lights system
• Left cooling fan
• Low spd fan
• Mem t&t fuse 10a
• Nca
• Pnk
• Powertrain control module (pcm) (left side of engine compt, in air cleaner)
• Radio fuse 2a
• Rear fuse block (under left rear seat)
• Red
• Right cooling fan
• Rr blo fuse 10a
• Rr mode act
• S300
• S301 (dts) (console harn, 50.5 cm from c304)
• Select
• Sensor grd
• Sensor return
• Serial data 2
• Sp cntrl out
• Sp input
• Spd cntrl grd
• Splice pack sp104
• Splice pack sp200 (under left front door sill trim plate) g200 plate)
• Splice pack sp201
• Splice pack sp201 (under right front door sill trim plate)
• Steering column fuse holder (base of steering column)
• Steering wheel control switches
• Tan
• Temp
• Underhood fuse block (right side of engine compt)
• Vol

Compressor Wiring Diagram for Cadillac DeVille DTS 2003

List of elements for Compressor Wiring Diagram for Cadillac DeVille DTS 2003:

• A/c clu fuse 15a
• A/c compressor clutch
• A/c compressor clutch solenoid
• A/c compressor temperature switch
• A/c refrigerant low temperature sensor (rear of engine compt, on a/c low a
• A/c refrigerant pressure sensor (on a/c pressure hose, near compressor)
• A/c relay control
• A11
• A12
• Ac clu relay
• B11
• C1 b10
• Computer data lines system
• Dash integration module (dim) (behind right side of dash, near blower motor)
• Data line
• G100 (left front corner of engine)
• Hot at all times
• Hot in on or start
• Instrument panel integration module (ipm) (above radio)
• Low ref
• Nca
• Powertrain control module (pcm) (left left side of engine compt, inside air cleaner)
• Pressure line)
• S130
• Sensor ground
• Sensor return
• Sensor sig
• Serial data
• Underhood fuse block (right side of engine compt)