Cadillac XLR I (2003-2009) body control module (bcm) (behind right side of dash) Wiring diagrams

5 1 PNK WIRE 5 VOLT REF 53 33 SERIAL DATA BUS + SERIAL DATA BUS - 6 10 11 SWITCH SIGNAL DATA BUS - DATA BUS + ISS SIGNAL BATT + VOL OSS SIGNAL ACC/ TCM FUSE ADAPTIVE CRUISE CONTROL MODULE (ACM) (CENTER OF VEHICLE) ALERT DISTANCE CRUISE SPEED LIMITED FOLLOW DISTANCE SET SPEED SET XX MPH AUTOMATIC TRANSMISSION BCM HIGH SPEED GMLAN SERIAL DATA BUS + BLK TAN/ WIRE BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SWITCH SIGNAL BRN WIRE CAN-BUS CAN-BUS COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CTRL SET/COAST, RESUME/ ACCEL SW SIGNAL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) FORWARD LOOKING SENSOR (FLS) GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IN ENGINE COMPT, ON UPPER RIGHT FRAME RAIL, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (IN STEERING WHEEL) INPUT/OUTPUT SPEED SENSORS (ISS/OSS) ASSEMBLY LOGIC BCM HIGH SPEED GMLAN SERIAL DATA BUS - LOGIC HUD CLASS 2 SERIAL DATA LOGIC HUD CLASS 2 SERIAL DATA VEHICLE SPEED SIGNAL LOW REF LT GRN/BLK WIRE MESSAGE CENTER INSTRUMENT PANEL CLUSTER (IPC) MESSAGE REQUEST MESSAGE REQUEST B+ NCA WIRE OFF RESUME/ ACCEL + OSS SIGNAL BATT + VOL ISS SIGNAL PNK 1 5 2 4 3 IGN 1 BATT GND CAN BUS + CAN BUS - WIRE PNK IGN 1 VOLT BATT POSITIVE VOLT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO 39 7 VEHICLE SPEED SIG STOP LAMP SW SIG RED WIRE RED/WHT WIRE RUN/ CRANK RELAY RUN/ CRANK RLY CTRL SERIAL DATA BUS (+) SERIAL DATA BUS (-) SET/COAST SPLICE PACK STEERING WHEEL CONTROL SWITCH ASSEMBLY TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEHC MODULE ASSEMBLY THROTTLE ACTUATOR CONTROL (TAC) MOTOR THROTTLE BODY ASSEMBLY (TOP OF ENGINE, AT INTAKE MANIFOLD) THROTTLE POSITION (TP) SENSOR TIGHT CURVE HUD MESSAGE CENTER HEADS UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) TURN SIGNAL/ MULTIFUNCTION SWITCH TUTD SW/ STRG COL SW FUSE ACCA/DRIV DR SW FUSE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VEHICLE SPEED SIGNAL WHT WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (BEHIND LOWER LEFT SIDE OF DASH) BRAKE PRESSURE MODULATOR VALVE (BPMV) BRK POS SENS SIG BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DATA BUS (+) GMLAN SERIAL DATA BUS - ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE CONTROLS SYSTEM FROM ELECTRONIC BRAKE CONTROL MODULE, PIN E (DIAGRAM 1 OF 2) GMLAN SERIAL GMLAN SERIAL DATA BUS + GRY WIRE GRY/BLK WIRE LF INLET SOLENOID VALVE LF ISOLATION SOLENOID VALVE LF OUTLET SOLENOID VALVE LF PRIME SOLENOID VALVE LOGIC LOW REF LR INLET SOLENOID VALVE LR OUTLET SOLENOID VALVE LT GRN WIRE MOTOR CTRL RF INLET SOLENOID VALVE RF ISOLATION SOLENOID VALVE RF OUTLET SOLENOID VALVE RF PRIME SOLENOID VALVE RR INLET SOLENOID VALVE RR OUTLET SOLENOID VALVE SPLICE PACK STOP LAMP SW SIG STOP LMP SW SIG TAN WIRE TAN/BLK WIRE TRAC CTRL SW SIG TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) WHT WIRE

A/C COMP FUSE 15 A/C COMP RELAY 35 A/C COMPRESSOR CLUTCH (LOWER RIGHT FRONT OF ENGINE) A/C OFF SWITCH BLK LT GRN/ WIRE BLK WIRE BLK/PNK WIRE BLOWER SPEED SWITCH BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE COMPT) COOLANT LEVEL SWITCH (LEFT SIDE OF ENGINE COOLFAN FUSE 25 DEFOG RLY CTRL DIMMING CTRL BLOWER CTRL DEFOGGER SYSTEM INTERIOR LIGHTS SYSTEM DEFROST CTRL DEFROST SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GND SERIAL DATA GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY 7 ENERGIZED HVAC CONTROL MODULE (AT CENTER OF DASH) HVAC FUSE 28 HVAC/ PWR SND FUSE 29 IGN IGN 1 RELAY 44 INTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM ISRVM/ HVAC FUSE 25 LEFT AIR TEMPERATURE SWITCH LOGIC LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MIRRORS SYSTEM MODE CTRL MODE SWITCH NCA WIRE OFF CTRL ON UPPER RIGHT FRAME RAIL, GROUNDED TO PNK 17 18 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE RECIRC CTRL RECIRCULATION SWITCH RED/BLK WIRE RED/WHT WIRE RIGHT AIR TEMPERATURE SWITCH SEATS SYSTEM SPEED CTRL SPLICE PACK SPLY VOLTAGE TAN WIRE TAN/BLK WIRE TEMP CTRL UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VALET SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACCESSORY VOLTAGE BATTERY BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR LOCKS SYSTEM DOOR LOCKS, INTERIOR LIGHTS SYSTEMS DR LOCKS FUSE 15 ENGINE CONTROLS, TRANSMISSIONS, WIPER/WASHER SYSTEMS GRY WIRE GRY/BLK WIRE HEADLAMP HI BEAM RLY CTRL HEADLIGHTS SYSTEM HOT AT ALL TIMES IGNITION MODE GND INTERIOR LIGHTS FUSE 17 LF DOOR AJAR SW SIG LF DOOR OPEN SW SIG LF TURN SIG LAMP SPLY VOL LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/BLK WIRE PARK BRAKE RLY COIL 1 CTRL PNK WIRE POWER DISTRIBUTION SYSTEM PPL REAR COMPT LID AJAR SW SIG FOG LAMP RLY CTRL FRONT FOG LAMP RLY CTRL RF DOOR AJAR SW SIG RIGHT PARK LAMP OUT DETECT SIG SHIFT INTERLOCK SYSTEM (PARK BRAKE RELEASE CIRCUIT) TAN WIRE TAN/WHT WIRE TAP UP/DOWN ENABLE SIG TRANSMISSIONS SYSTEM TRUNK KEY SW SIG TRUNK RELEASE SW SUPPLY VOLTAGE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK. TAILGATE, FUEL DOORS, DOOR LOCKS SYSTEMS HEADLIGHTS SYSTEM WHT WIRE YEL WIRE

BACKUP LAMP SPLY VOL BATT 3 FUSE 26 BATT 5 FUSE 7 BATTERY BATTERY BATTERY BATTERY BATTERY BATTERY BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) COURTESY LAMPS SUPPLY VOLTAGE FT PSNGR DR LATCH CTRL DK GRN WIRE DOOR LOCKS SYSTEM DRVR DR LATCH CTRL ELECTRONIC MUFFLERS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM (PARKING ASSIST CIRCUIT) HOT AT ALL TIMES IGN 1 VOLTAGE IGN MODE SW SPLY VOL INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM LOGIC LR STOP/TURN LAMP SUPPLY VOLTAGE COURTESY LAMP LOW CTRL LT GRN WIRE OF ENGINE COMPARTMENT) ORG/ WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION, NAVIGATION SYSTEMS POWER DISTRIBUTION, WIPER/WASHER SYSTEMS POWER DISTRIBUTION, SEATS SYSTEMS POWER DISTRIBUTION, SHIFT INTERLOCK SYSTEMS (PARK BRAKE RELEASE CIRCUIT) POWER DISTRIBUTION, TRANSMISSIONS SYSTEMS RED/BLK WIRE RED/WHT WIRE RR STOP/TURN LAMP SUPPLY VOLTAGE SOUND SYSTEMS POWER DISTRIBUTION SYSTEM COMPUTER DATA LINES SYSTEM STOP/B/U LPS FUSE 5 TAN WIRE UNDER- HOOD FUSE BLOCK (RIGHT REAR YEL WIRE

AIR CONDITIONING SYSTEM BACKUP LAMP SPLY VOL BATTERY BLK WIRE BLK/LT GRN WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) COURTESY LAMP LOW CTRL COURTESY LAMPS SUPPLY VOLTAGE GROUND IGN 1 VOLTAGE IGNITION 1 VOLTAGE INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM LOGIC LT BLU WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION, AIR CONDITIONING, MIRRORS SYSTEMS POWER DISTRIBUTION, CRUISE CONTROL SYSTEMS POWER DISTRIBUTION, DOOR LOCKS SYSTEMS POWER DISTRIBUTION, ELECTRONIC POWER STEERING, POWER TOPS, SEATS SYSTEMS POWER DISTRIBUTION, ENGINE CONTROLS SYSTEMS POWER DISTRIBUTION, NAVIGATION SYSTEMS POWER DISTRIBUTION, SUPPLEMENTAL RESTRAINTS SYSTEMS RED/WHT WIRE SOUND SYSTEMS SPLICE PACK STOP LAMP SUPPLY VOLTAGE STOP LAMP SW SIG WHT WIRE

ACC GAP ADJ SW SIG ACC IND CTRL ANTI-LOCK BRAKES SYSTEM TRANSMISSIONS SYSTEM BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRAKE POSITION SEN SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRS CTRL SET/CST/RES/ACCL SW SIG CRUISE CONTROL SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FLASH TO PASS SW SIG GRY WIRE HAZARD SWITCH SIG HEADLIGHTS SYSTEM HIGH SPEED GMALN SER BUS - HIGH SPEED GMALN SER BUS - HORN RLY CTRL HEADLAMPS SW ON SIG FRONT FOG LAMP SW SIG EXTERIOR LAMPS OFF INPUT HORNS SYSTEM LOGIC LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE OFF IND CTRL ORG/ WIRE PARK BRAKE RLY COIL 2 CTRL PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL SHIFT INTERLOCK SYSTEM (PARK BRAKE RELEASE CIRCUIT) TAN WIRE TAN/BLK WIRE WHT WIRE YEL WIRE

10 11 14 13 GMLAN DATA BUS + GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS - 2 5 3 4 GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS - GMLAN DATA BUS + 3 2 GMLAN DATA BUS - GMLAN DATA BUS + 33 53 GMLAN DATA BUS - GMLAN DATA BUS + 4.4L, 4.6L 40 22 21 39 GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS + GMLAN DATA BUS - 8 9 24 23 GMLAN DATA BUS - GMLAN DATA BUS + GMLAN DATA BUS + GMLAN DATA BUS - 8 9 GMLAN DATA BUS + GMLAN DATA BUS - ADAPTIVE CRUISE MODULE (ACM) (CENTER OF VEHICLE) AUDIO AMPLIFIER (BEHIND LEFT REAR SEAT BACK) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CD CHANGER CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DIGITAL RADIO RECEIVER DRIVER MEMORY SEAT MODULE (UNDER DRIVER'S SEAT) DK BLU WIRE DOOR DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRONT OF ENGINE COMPT) ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (LEFT REAR OF LUGGAGE COMPT) ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) EXHAUST FLOW CONTROL MODULE (LEFT REAR OF VEHICLE) FOLDING TOP MODULE (LEFT SIDE OF FOLDING TOP STORAGE COMPT) FRONT PASSENGER DOOR MODULE (FPDM) (IN FRONT GMLAN DATA BUS- GMLAN DATA BUS- GMLAN DATA BUS- GMLAN DATA BUS- GRY WIRE HEAD UP DISPLAY (HUD) (TOP LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER (IPC) HEADLAMP MODULE (RIGHT REAR CORNER OF ENGINE COMPT) HIGH SPEED GMLAN SERIAL DATA BUS + HIGH SPEED GMLAN SERIAL DATA BUS + HIGH SPEED GMLAN SERIAL DATA BUS - HOT AT ALL TIMES HVAC CONTROL MODULE (AT CENTER OF DASH) LOGIC LOGIC HIGH SPEED GMLAN SERIAL DATA BUS - LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK WIRE PPL RADIO REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (BEHIND RIGHT SIDE OF DASH) REAR FOG/ALDL FUSE 30 RED/WHT WIRE SPLICE PACK TAN WIRE TAN/BLK WIRE W/ ONSTAR W/O ONSTAR WHT WIRE YEL WIRE

ABS/ MRRTD/ AFS FUSE 1 BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) CLUSTER/ HUD FUSE 26 COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (LEFT REAR OF LUGGAGE COMPT) GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IPC CLASS 2 LEFT FRONT SUSPENSION DAMPER RIGHT REAR SUSPENSION DAMPER LEFT FRONT SUSPENSION POSITION SENSOR (TOP OF RIGHT FRONT SUSPENSION) LEFT REAR SUSPENSION POSITION SENSOR (AT TOP OF LEFT REAR SUSPENSION) LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW REFERENCE LOW REFERENCE LOW REFERENCE LOW REFERENCE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MESSAGE CENTER MESSAGE REQUEST MRRTD FUSE 13 NCA WIRE ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT FRONT SUSPENSION DAMPER RIGHT REAR SUSPENSION POSITION (AT TOP OF RIGHT REAR SUSPENSION) SERIAL DATA BUS (+) SERIAL DATA BUS (-) SERVICE RIDE CONTROL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT)

11 12 13 PNK WIRE BANK 2 SENSOR 1 (IN LEFT EXHAUST PIPE, BEFORE CATALYTIC CONVERTER) BANK 2 SENSOR 2 (IN LEFT EXHAUST PIPE, AFTER CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ECM FUSE 16 ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE OIL LEVEL SWITCH (LOWER RIGHT SIDE OF ENGINE) GEN TURN ON SIG GRY WIRE HEATED OXYGEN HOT AT ALL TIMES IAT SENS SIG IGN 1 VOL INSTRUMENT PANEL CLUSTER (IPC) LOGIC CLASS 2 SER DATA B+ LOGIC LOW REF LT BLU WIRE LT GRN WIRE MAF SENS SIG MESSAGE CENTER MIL IND NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 3 4 WIRE PNK PNK 6 7 WIRE PNK PNK PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RADIO RUN/ CRANK RELAY 7 RUN/ CRANK RLY CTRL STARTING/ CHARGING SYSTEM STP LMP SW SIG VLT SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VSS WHT WIRE YEL WIRE