Cadillac STS I facelift (2007-2011) lo spd gmlan serial data Wiring diagrams

26 9 36 42 55 SENSOR SIG LOW REF SENSOR SIG SERIAL DATA + SERIAL DATA - 43 61 40 LOW REF OIL SW SIG AUTO ON BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DISPLAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENG/ MET TRIP RESET ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) ENGINE CONTROLS SYSTEM GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HUD SWITCH LOW REF GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE I/P DIMMER SW SIG I/P DIMMER SWITCH IMAGE DN BATTERY POSITIVE VOLT IMAGE DN IMAGE UP IMAGE UP INFO RESET INFO UP INFO DN INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT REAR DOOR CONTROL MODULE (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LO SPD GMLAN SERIAL DATA LOGIC LOGIC HEAD UP DISPLAY (HUD) LOW REF LOW SPD GMLAN DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DOWN NIGHT VISION IMAGE DIMMING GROUND PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PK BRK SW SIG PNK WIRE PNK/ DK WIRE PNK/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TRIP A/B W/ HEAD UP DISPLAY WHT WIRE YEL WIRE

45 65 LOW REF TEMP SENSOR 45 9 44 SENSOR SIG LOW REF SENSOR SIG 5060 2384 5699 PNK WIRE 53 33 SERIAL DATA + SERIAL DATA - 60 24 40 OIL SW SIG LOW REF AUTO ON IMAGE UP BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DISPLAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE (EOP) SENSOR (ON LEFT SIDE OF ENGINE) GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HUD SWITCH LOW REF GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM (IN PASSENGER COMPT, BEHIND LEFT KICK PANEL) GRY WIRE I/P DIMMER SW SIG I/P DIMMER SWITCH IMAGE DN IMAGE DN BATTERY POSITIVE VOLT IMAGE UP INFO RESET INFO DN INFO UP INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT REAR DOOR CONTROL MODULE (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LO SPD GMLAN SERIAL DATA LOGIC LOGIC HEAD UP DISPLAY (HUD) LOW REF LOW SPD GMLAN DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DOWN NIGHT VISION IMAGE DIMMING GROUND OIL SW SIG PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PK BRK SW SIG PNK/ DK PNK WIRE PNK/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP A/B TRIP RESET ENG/ MET W/ HEAD UP DISPLAY WHT WIRE YEL WIRE

45 65 LOW REF TEMP SENSOR 45 9 44 SENSOR SIG LOW REF SENSOR SIG 5060 2384 5699 PNK WIRE 53 33 SERIAL DATA + SERIAL DATA - 60 24 40 OIL SW SIG LOW REF AUTO ON IMAGE UP BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY LMP SW ON SIG DISPLAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR OPEN SW SIG DRIVER DOOR CONTROL MODULE (INSIDE DRIVER'S DOOR) DRIVER DOOR LATCH (IN MIDDLE REAR OF DRIVER DOOR) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE (EOP) SENSOR (ON LEFT SIDE OF ENGINE) GMLAN SERIAL DATA NIGHT VISION IMAGE UP SIG HUD SWITCH LOW REF GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM (IN PASSENGER COMPT, BEHIND LEFT KICK PANEL) GRY WIRE I/P DIMMER SW SIG I/P DIMMER SWITCH IMAGE DN IMAGE DN BATTERY POSITIVE VOLT IMAGE UP INFO RESET INFO DN INFO UP INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LEFT REAR DOOR CONTROL MODULE (INSIDE LEFT REAR DOOR) LEFT REAR DOOR LATCH (IN MIDDLE REAR OF PASSENGER DOOR) LO SPD GMLAN SERIAL DATA LOGIC LOGIC HEAD UP DISPLAY (HUD) LOW REF LOW SPD GMLAN DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NIGHT VISION IMAGE DOWN NIGHT VISION IMAGE DIMMING GROUND OIL SW SIG PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) PK BRK SW SIG PNK/ DK PNK WIRE PNK/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP A/B TRIP RESET ENG/ MET W/ HEAD UP DISPLAY WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DRAIN WIRE LH AUDIO SIG RH AUDIO SIG ANTENNA SIG AUDIO COMMON AUDIO SIG + AUDIO SIG RH TV BATT POSITIVE BATTERY BLK WIRE CELLULAR, DIGITAL RADIO ANTENNA COAX COAX COAX COAX COAX COMPUTER DATA LINES SYSTEM DIGITAL RADIO RECEIVER (ON RIGHT SIDE OF PACKAGE SHELF) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GROUND AUDIO COMMON GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LH TV LO SPD GMLAN SERIAL DATA LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE NCA WIRE RED WIRE RED/WHT WIRE RETURN RF HTD/ SEAT/XM FUSE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) SERIAL DATA TAN WIRE TELEVISION ANTENNA AMPLIFIER TELEVISION ANTENNA MODULE TELEVISION REAR GLASS ANTENNA TV/VICS/ AFS/SCM FUSE VIDEO RGB LOW REF VOLT W/ DIGITAL RADIO W/O DIGITAL RADIO WHT WIRE

"C" PILLAR) 1-17 (NOT USED) 1-32 (NOT USED) 18 19 20 21-56 SERIAL DATA WAKEUP IGN 1 BATT POSITIVE VOLT PNK WIRE 3.6L 33 34-46 HI SPD GMLAN SERIAL DATA (-) (NOT USED) 42 55 SERIAL DATA BUS (+) SERIAL DATA BUS (-) 47 48-50 CAN BUS LOW SERIAL DATA (NOT USED) ABS FUSE ABS MTR FUSE BLK WIRE BRAKE PRESSURE MODULATOR VALVE (BPMV) BRK VAC PUMP RELAY BRN WIRE BRN/WHT WIRE CAN BUS HIGH SERIAL DATA CAN BUS LOW SERIAL DATA COMPUTER DATA LINES SYSTEM DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (RIGHT FRONT CORNER OF ENGINE COMPT) ELECTRONIC SUSPENSION CONTROL (ESC) MODULE (BELOW RIGHT ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) GRN WIRE GRY WIRE HI SPD GMLAN SERIAL DATA (+) HI SPD GMLAN SERIAL DATA (+) BATT POSITIVE VOLT HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED BRK VAC PUMP FUSE INSTRUMENT PANEL MODULE (IPM) LO SPD GMLAN SERIAL DATA LT BLU WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE PNK 9 10 WIRE RED/BLK WIRE RED/WHT WIRE RF WHEEL SPD SENS LOW REF RR WHEEL SPD SENS SIG LR WHEEL SPD SENS SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL IND TRACTION CONTROL SWITCH (TCS) TRACTION CTRL SW SIG 2 UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) VACUUM PUMP RLY CTRL VARIABLE EFFORT STEERING ACTUATOR (IN LEFT REAR ENGINE COMPT, ON STEERING RACK) VEHICLE STABILITY CONTROL MODULE (LEFT REAR WHEEL HUB ASSEMBLY) WHT WIRE YEL WIRE

335 3223 COOLING FANS SYSTEM 5-VOLT REF 1 A/C REFRIGERANT PRESS SENS SIG BANK 2 SENS 1 BANK 2 SENS 2 BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CNSTR VENT FUSE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ECT SENSOR SIG ENGINE COOLANT TEMPERATURE (ECT) SENSOR (IN REAR SIDE OF RIGHT CYLINDER HEAD) EVAP CANISTER PURGE SOL CTRL LO SPD COOLING FAN RELAY CTRL FUEL PUMP FUSE FUEL PUMP RELAY GENERATOR FIELD DUTY CYCLE SIG GENERATOR TURN ON SIG GROUND GRY WIRE HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER (IPC) J/C LO SPD GMLAN SERIAL DATA LOGIC LOW REF LT GRN WIRE MALFUNCTION IND MAP SENSOR SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PARK/NEUTRAL SIG PNK/BLK WIRE PPL PPL/WHT WIRE RED/WHT WIRE RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM WHT WIRE YEL WIRE