Cadillac SRX I (2003-2009) serial data Wiring diagrams

ABS IND. BLK/WHT WIRE BODY PASS THROUGH GROMMET) BRAKE IND BRK FLUID LVL SENS SIGNAL BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE IGN IGN 1 VOLTAGE INSTRUMENT PANEL CLUSTER LEFT FRONT WHEEL SPEED SENSOR (WSS) (BEHIND LEFT FRONT WHEEL, ON INSIDE OF HUB) LEFT REAR WHEEL SPEED SENSOR (WSS) (BEHIND LEFT REAR WHEEL, ON INSIDE OF HUB) LOGIC LOW SPD SERIAL DATA LT BLU WIRE ORG/ WIRE PNK WIRE RADIO RIGHT REAR WHEEL SPEED SENSOR (WSS) (BEHIND RIGHT REAR WHEEL, ON INSIDE OF HUB) SERIAL DATA SERIAL DATA LOW SPD TAN WIRE TAN/WHT WIRE VEH SPD SIG WHT WIRE YEL WIRE

1 2 3 4 5 BATTERY+ VOLTAGE ACCESSORY VOLTAGE GROUND 14 15 RT RR DR AJAR SW SIG LT RR DR AJAR SW SIG 3.6L 4.6L 42 55 53 33 HI SPD GMLAN SRL DATA + HI SPD GMLAN SRL DATA - 9 11 5060 1177 LW SPD GMLAN SRL DATA LT DR OPEN SW SIG 9 11 5060 126 LW SPD GMLAN SRL DATA LT DR OPEN SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/BLK WIRE DOOR LOCKS SYSTEM DOOR OPEN DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR PANEL) FRONT PASSENGER DOOR LATCH ASSEMBLY (REAR OF FRONT PASSENGER'S DOOR) FRONT PASSENGER DOOR MODULE (FPDM) (INSIDE PASSENGER DOOR TRIM PANEL) HOT AT ALL TIMES IGN IGN SW FUSE IGNITION KEY IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU/BLK WIRE LT GRN WIRE LW SPD GMLAN SRL DATA OFF READER/ EXCITER RED WIRE RED/WHT WIRE RUN WIRE SECURITY INDICATOR SERIAL DATA TAN WIRE TAN/BLK WIRE THEFT DETERRENT CONTROL MODULE (AT RIGHT SIDE OF STEERING COLUMN) TRANSPONDER UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WHT WIRE

BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DR MIRROR HEAT SUP VOL DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR PANEL) DRIVER OUTSIDE REARVIEW MIRROR FRONT PASSENGER DOOR MODULE (FPDM) (INSIDE PASSENGER DOOR TRIM PANEL) GMLAN SERIAL DATA HEATED MIRROR ELEMENT HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH, UNDER RADIO) HVAC LOGIC IGN REAR DEFOG INDICATOR JOINT CONNECTOR LOGIC NCA WIRE PASS MIRROR HEAT SUP VOL PPL PASSENGER OUTSIDE REARVIEW MIRROR PPL REAR DEFOG FUSE REAR DEFOG RELAY REAR DEFOG RLY CTRL REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID RED WIRE RIGHT REAR FUSE BLOCK (NEAR RIGHT SIDE OF REAR SEAT, UNDER CARPET) SERIAL DATA WHT WIRE

16 15 1415 1414 RH TURN SW SIG LH TURN SW SIG 2 17 1 19 5356 18 RR ST/TN SUP VOLT LH LP OUT DET SIG LR ST/TN SUP VOLT 4.6L 3.6L 5365 5365 3340 (BLUNT CUT) 6 SPEED A/T 5 SPEED A/T 8 10 301 2144 PARK LP SW SIG HAZARD SW SIG ASSEMBLY) (3.6L: LEFT FRONT SIDE OF ENGINE) BLK WIRE BLK/WHT WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE GRY WIRE HAZARD SWITCH HEAD HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN 1 VOLT LEFT FRONT TURN SIGNAL LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT REAR FUSE BLOCK (NEAR LEFT SIDE OF REAR SEAT, UNDER CARPET) LEFT TURN SIG IND LH DRL TN SUP VOLT PARK LAMP SUP VOLT STOP LAMP SUP VOLT 24 5 LH POS PRK LAMP RELAY LH TURN RH TURN OFF AUTO LO SPD SERIAL DATA LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MARKER LAMP FUSE PARK PNK WIRE PPL PPL RH LP OUT DET SIG PRK LAMP LH POS RED WIRE RED/WHT WIRE RELAY/ FUSE RH DRL TN SUP VOLT BAT POS VOLT RIGHT FRONT TURN SIGNAL LAMP RIGHT TURN SIG IND RVC SNSR SERIAL DATA ST SW SIG STOP LAMP SW SIG TAN WIRE TO LEFT REAR FUSE BLOCK LH PARK FUSE (DIAGRAM 2 OF 2) TRANSMISSION CONTROL MODULE (TCM) (AT RIGHT FRONT OF ENGINE COMPT) TURN SIGNAL/ MLTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) AIR BAG FUSE WHT WIRE YEL WIRE

12 8 11 HDLMP ON SIG SUPPLY VOLT SENSOR SIG 1317 5365 5365 1969 (BLUNT CUT) 19 23 25 18 FOG SW SIG HDLMP OFF SIG FLASH TO PASS SIGNAL HIGH BEAM SIG 5364 5364 1970 (BLUNT CUT) AUTO BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPT) FOG LAMP FUSE FOG LAMPS IND FOG RLY CTRL FOGLAMP RELAY FRONT FOG LAMP SWITCH FTP GMLAN SERIAL DATA GRN WIRE HI BEAM RELAY HIGH BEAM IND HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH, UNDER RADIO) INSTRUMENT PANEL LOGIC CLUSTER (IPC) SER DATA SERIAL DATA B+ LEFT FRONT FOG LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LOW BEAM/HID RELAY LOW REF LT GRN WIRE LT GRN/BLK WIRE LT HIGH BEAM FUSE LT LO BEAM FUSE (W/ HID) (W/O HID) NCA WIRE OFF PARK HEAD ORG/ WIRE PNK WIRE PNK/WHT WIRE PPL RIGHT FRONT FOG LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE RT LO BEAM FUSE SERIAL DATA SUNLOAD/AMBIENT LIGHT SENSOR (AT TOP CENTER OF DASH) SUPPLY VOLT RLY CTRL TAN WIRE TAN/WHT WIRE TURN SIGNAL/MULTIFUNCTION SWITCH) UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF W/ HID W/O HID WHT WIRE YEL WIRE

AIR QUALITY SENSOR (AQS) (W/ AUTO RECIRCULATING AIR FILTER) ASSEMBLY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM FRONT HEADLAMP LEVELING SENSOR (IN LEFT FRONT WHEEL HOUSING) GRN WIRE GROUND GRY WIRE HEADLAMP LEVELING IGN 1 SWITCH 1 SIGNAL VOLT HEADLAMP LEVELING SWITCH 1 SIGNAL HOT AT ALL TIMES IGN MAIN RELAY LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP LEVELING ACTUATOR IGN 1 VOLT LEFT HEATED WASHER NOZZLE (AT LEFT SIDE OF HOOD) MISC IGN FUSE NCA WIRE PNK IGN 1 VOLTAGE WIRE PNK PNK WIRE PNK WIRE REAR HEADLAMP LEVELING SENSOR (IN LEFT REAR WHEEL HOUSING) RIGHT HEADLAMP RIGHT HEADLAMP LEVELING ACTUATOR SERIAL DATA RIGHT HEATED WASHER NOZZLE (AT RIGHT SIDE OF HOOD) SERIAL DATA THEFT DETERRENT ALARM SIREN (REAR OF RIGHT SHOCK TOWER) UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PNK WIRE 21 22 23 24 25 26 PPL 5234 2307 2308 WARNING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM ABS IND. AIR BAG FUSE AIR BAG IND AIR BAG ON IND CTRL AIR BAG OFF IND CTRL BACKLIGHTING CTRL BATT POS VOLT IGN 1 VOLT BCM 7/ CLOCK FUSE BLK/WHT WIRE BRAKE IND BRAKE WARN IND CTRL BRN WIRE BRN/WHT WIRE CHARGING IND CLASS 2 (ECM) B+ COMPUTER DATA LINES SYSTEM CRUISE IND SERIAL DATA (ECM) DIC SELECT MENU SW SIG DIC SW SIG LOW REF DISPLAY FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND FOG LAMPS IND FUEL LEVEL GAUGE GMLAN SERIAL GMLAN SERIAL GROUND HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED ILLUMINATION INSTRUMENT PANEL CLUSTER (IPC) LEFT TURN IND LOGIC LOW TIRE PRESSURE IND (NOT USED) MALFUNCTION IND MESSAGE CENTER MESSAGE REQUEST OIL LEVEL IND LAMP PARK LAMP IND VSC IND PASS SEAT BELT IND CTRL PNK WIRE RED WIRE RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SERIAL DATA SERIAL DATA (EBCM) SERIAL DATA (ECM) SERIAL DATA (RIM) SERIAL DATA (SDM) SERIAL DATA IPC SPEEDOMETER SPEEDOMETER CONTROL SPLICE PACK TACHOMETER TACHOMETER CONTROL B+ TAN WIRE TAN/WHT WIRE TEMPERATURE GAUGE TOW/HAUL IND TRIP RESET SW SIG TRIP RESET SWITCH TRIP/ODOMETER CTRL TRIP/ ODOMETER UNDERHOOD FUSE BLOCK (AT RIGHT FRONT OF ENGINE COMPT) WASHER FLUID LEVEL SIG WHT WIRE WIPER/WASHER SYSTEM

14 15 16 RT RR DR AJAR SW SIG LT RR DR AJAR SW SIG DR OPEN SW SIG 24 18 PARK LAMP SUPPLY VOLTAGE HORN RLY CTRL 9 7 DR UNLOCK RLY CTRL DR LOCK RLY CTRL AJAR BLK WIRE BLU WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/BLK WIRE DOOR LOCK FUSE EXTERIOR LIGHTS SYSTEM HORNS SYSTEM GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER (IPC) JOINT CONNECTOR LEFT REAR DOOR LATCH ASSEMBLY (REAR OF LEFT REAR DOOR) LOCK LOCK RELAY LOGIC LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE RED WIRE RIGHT REAR DOOR LATCH ASSEMBLY (REAR OF RIGHT REAR DOOR) RIGHT REAR FUSE BLOCK (NEAR RIGHT SIDE OF REAR SEAT, UNDER CARPET) SECURITY INDICATOR SERIAL DATA TAN WIRE UNLOCK UNLOCK RELAY WHT WIRE

ASSEMBLY AUTO DOWN AUTO UP AUTO DOWN AUTO UP DOWN BACK LIGHT BATTERY BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER DOOR MODULE (DDM) (INSIDE DRIVER DOOR PANEL) DRIVER DOOR WINDOW SWITCH DRIVER WINDOW MOTOR (IN DRIVER DOOR DRV DN /XUP DRV UP /XUP FRONT PASSENGER DOOR MODULE (FPDM) (INSIDE PASSENGER DOOR TRIM PANEL) FRONT PASSENGER DOOR WINDOW SWITCH FRONT PASSENGER WINDOW MOTOR (IN FRONT PASSENGER DOOR ASSEMBLY) GROUND GRY WIRE HOT AT ALL TIMES INTERCONNECT NETWORK 1 LEFT REAR SIGNAL LEFT REAR WINDOW MOTOR (AT CENTER OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LOCKOUT LOCKOUT IND LOGIC LR UP LR UP DN/XDN NETWORK 1 NETWORK 2 NETWORK BUS 2 PASS DN PASS DN /XUP PASS UP PASS UP /XUP PASS XDN PASS XUP PNK VOLT REF WIRE PNK WIRE PWR WNDWS FUSE RED WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK PDM FUSE (NEAR RIGHT SIDE OF REAR SEAT, UNDER CARPET) RIGHT REAR SIGNAL RIGHT REAR WINDOW MOTOR (AT CENTER OF RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DN DN/XDN RR UP SERIAL DATA UP DOWN VOLT REF WHT WIRE

BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SIGNAL CRUISE CONTROL SYSTEM DK BLU WIRE DK DK DK DK GRN WIRE GRN WIRE GRY WIRE I/P SPEAKER INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) LEFT A-PILLAR TWEETER SPEAKER LEFT FRONT DOOR SPEAKER LEFT STEERING WHEEL CONTROLS LOW SPD GMLAN LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT LT LT ORG/ WIRE PNK 16 17 WIRE PNK 18 19 WIRE PPL PPL PPL (IN STEERING COLUMN HARNESS, APPROXIMATELY RED/BLK WIRE RIGHT STEERING WHEEL CONTROLS SEEK DN SEEK UP SERIAL DATA SOURCE MUTE VOICE REC 1-6 STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE TAN/BLK WIRE VOL DN VOL UP WHT WIRE WHT/RED WIRE YEL WIRE