AIR CONDITIONING – Cadillac DTS 2008 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac DTS 2008

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac DTS 2008:

• (behind hvac case above main blower motor) blower motor control module
• (in body harness, 14 cm from breakout to yaw & lateral acceleration sensor) j301
• (in hvac harness between x206 & blower motor control module)
• (in hvac harness, between evaporator temperature sensor & x202)
• (in hvac harness, between hvac control module & mode motors)
• (in i/p harness, 41 cm from branch to hazard lamp switch)
• (in i/p harness, 6 cm from branch to hvac module) j200
• (lower right side of hvac module) blower motor
• (or 2540)
• (under driver's seat) g300
• 5 volt ref
• Air temp mtr ctrl
• Amb air temp sens ctrl
• Ambient air temperature sensor (forward of radiator)
• Asp
• Auxiliary mode actuator (under front console)
• Backlight lamp ctrl
• Batt
• Batt volt
• Blower relay
• Blw mtr lo ref
• Blw mtr spd ctrl
• Computer data lines system
• Defogger system
• Driver air temperature actuator (on left side of hvac module)
• Driver infor- mation center (dic)
• Drv air temp dr ctrl a
• Drv air temp dr ctrl b
• Drv air temp dr pos sig
• Evap lo temp sens sig
• Evaporative temperature sensor (behind center of dash, in hvac case)
• Front passenger air temperature actuator (on right side of hvac module)
• G300 (under driver's seat)
• G304 (under front passenger's seat)
• Gmlan serial data
• Gnd
• Hi blr mtr rly ctrl
• Hot at all times
• Hot at at times
• Hot in run or start
• Hvac control module (front center of dash)
• Ign 1 volt
• Inside air temp sns sig
• Inside air temperature sensor (left of steering wheel)
• Interior lights system
• J202
• J203
• J205
• J209
• J210
• J226
• J227
• Led dimming sig
• Left sunload sens sig
• Logic
• Low mode dr pos sig
• Low ref
• Lower mode dr ctrl b
• Mdls-body fuse 43 10a
• Mode actuator (right side of hvac module)
• Mode dr ctrl a
• Mtr fuse 48 blower fuse 49 40a
• Mtr spd ctrl
• Pas air temp dr ctrl a
• Pas air temp dr ctrl b
• Pas air temp dr pos
• Passkey fuse 13 10a
• Pnk
• Radio
• Rear air temp dr ctrl a
• Rear air temp dr ctrl b
• Rear air temp dr pos
• Rear defog rly ctrl
• Rear fuse block (under left rear seat)
• Rear mode dr ctrl a
• Rear mode dr ctrl b
• Rear mode dr pos sig
• Rear passenger air temperature actuator (if equipped) (near auxiliary blower motor)
• Recir dr ctrl a
• Recir dr ctrl b
• Recir vlv sol sig
• Recirculation actuator (right side of hvac module, above blower motor)
• Right sunload sens sig
• Run 3 fuse 3 5a
• Serial data
• Tan
• W/ auxiliary a/c
• W/o auxiliary a/c
• X1 d10
• X1 f3
• X2 f5
• X3 b1
• X4 b

Automatic A/C Wiring Diagram (2 of 2) for Cadillac DTS 2008

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac DTS 2008:

• (or 8)
• 5v ref 1
• A/c cltch fuse 4 10a
• A/c cltch relay 34
• A/c compressor clutch (lower left side of engine)
• A/c ref
• A/c refrigerant pressure sensor (on a/c pressure hose, near compressor)
• A/c relay
• Auxiliary blower motor (if equipped) (under center of dash)
• Auxiliary blower motor control module (if equipped) (under right of dash, behind main blower motor)
• Auxiliary hvac control module (if equipped) (behind center console storage compt)
• Backlmp ctrl
• Batt
• Computer data lines system
• Ect sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (on right rear of engine)
• Fan 1 fuse 27 30a
• Fan 1 relay 33
• Fan 2 fuse 26 30a
• Fan 2 relay 31
• Fan 3 relay 32
• Feed back sig
• G104 (right front of engine compt)
• G112 (on transmission)
• G115 (on transmission)
• G300 (under driver's seat)
• G304 (under front passenger's seat)
• Gnd
• Headlights system
• Hot at all times
• Hot in run or start
• Hvac/ipc ign 1 fuse 10 10a
• Ign relay
• Interior lights system
• J105 (in engine harness, 14 cm from branch to throttle body assembly)
• J106
• J203
• J228
• J383 (w/ luxury front bucket seat) (in center console harness, between breakout to a/t shift lock control solenoid & breakout to auxiliary hvac control module)
• Left cooling fan (front of engine compt)
• Low ref
• Low spd fan
• Mtr spd ctrl
• Pnk
• Right cooling fan (front of engine compt)
• Rly ctrl
• Serial data
• Serial data +
• Serial data -
• Sunload twilight sensor (on top center of dash)
• Tan
• Underhood fuse block (at right side of engine compt)

Compressor Wiring Diagram for Cadillac DTS 2008

List of elements for Compressor Wiring Diagram for Cadillac DTS 2008:

• 5v ref 1
• A/c cltch fuse 4 10a
• A/c cltch relay 34
• A/c compressor clutch (lower left side of engine)
• A/c compressor clutch rly ctrl x1
• A/c ref pre sens
• A/c refrigerant pressure sensor (on a/c pressure hose, near compressor)
• Computer data lines system
• Engine control module (ecm) (left side of engine compt)
• G115 (on transmission)
• Hot at all times
• Hot in on or start
• J106
• Low ref
• Serial data+
• Serial data-
• Tan
• Underhood fuse block (at right side of engine compt)