Cadillac STS I facelift (2007-2011) instrument panel module (ipm) Wiring diagrams

15 16 SERIAL DATA - SERIAL DATA + 17 27 26 BRK APPLY SENS LOW REF BRK APPLY SENS SPLY VOLT TRACTION CTRL SW SIG 2 BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRK APPLY SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE GRN WIRE GRY WIRE GRY/BLK WIRE INSTRUMENT PANEL MODULE (IPM) LEFT FRONT WHEEL SPEED SENSOR (WSS) (BEHIND LEFT FRONT BRAKE ROTOR) LEFT REAR WHEEL SPEED SENSOR (WSS) (BEHIND LEFT REAR BRAKE ROTOR) LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE PARK BRAKE SWITCH PARK BRAKE SWITCH (AT BASE OF BRAKE PEDAL) RIGHT FRONT WHEEL SPEED SENSOR (WSS) (BEHIND RIGHT FRONT BRAKE ROTOR) RIGHT REAR WHEEL SPEED SENSOR (WSS) (BEHIND RIGHT REAR BRAKE ROTOR) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH (TCS) WHT WIRE YAW RATE, LATERAL ACCELERATION SENSOR (UNDER THE FRONT PASSENGER SEAT) YEL 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

3.6L 3.6L 3.6L 4.4L, 4.6L 3.6L 4.6L, 4.4L A/C COMPRESSOR CLUTCH AUTOMATIC HEADLAMP DIMMING RELAY AUTOMATIC TRANSMISSION BATTERY BLK WIRE BRAKE WINDSHIELD FLUID WIPER/ LEVEL WASHER SWITCH MODULE CONTROL SOLENOID VALVE ASSEMBLY ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL MODULE (IPM) INTELLIGENT HIGH BEAM CONTROL LEFT HEATED WASHER NOZZLE MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR NCA WIRE REAR WINDOW DEFOGGER REAR WINDOW KEYLESS ENTRY ANTENNA RIGHT HEATED WASHER NOZZLE WHT WIRE WINDSHIELD WASHER FLUID PUMP

AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BLOWER MOTOR CONTROL MODULE CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET DRIVER BACK DRIVER VENTILATED BACK SEAT HEATED BLOWER SEAT MOTOR ELEMENT DRIVER CUSHION DRIVER VENTILATED SEAT SEAT ADJUSTER BLOWER SWITCH MOTOR DRIVER CUSHION HEATED SEAT ELEMENT DRIVER SEAT BELT SWITCH HVAC CONTROL MODULE I/P COMPARTMENT LAMP SWITCH IGNITION MODE SWITCH INSTRUMENT PANEL MODULE (IPM) MEMORY SEAT MODULE (MSM) NCA WIRE PASSENGER BACK VENTILATED SEAT BLOWER MOTOR PASSENGER CLIMATE SEAT CONTROL ADJUSTER SEAT SWITCH MODULE PASSENGER DOOR CONTROL MODULE PASSENGER DOOR HANDLE PASSENGER DOOR LATCH PASSENGER DOOR LOCK SWITCH PASSENGER SEAT BELT SWITCH PASSENGER SEAT LUMBAR SWITCH PASSENGER WINDOW SWITCH RIGHT PASSENGER REAR WINDOW WINDOW MOTOR MOTOR RIGHT REAR DOOR CONTROL MODULE RIGHT REAR DOOR LOCK RIGHT REAR WINDOW SWITCH TRACTION CONTROL W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER ASHTRAY W/ FRONT SEAT HEATER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER ASHTRAY W/O FRONT SEAT HEATER W/O POWER LUMBAR SEATS WHT WIRE YAW, LATERAL ACCELEROMETER SENSOR

56 20 (3.6L) (4.4L/4.6L) AIR BAG/IGN FUSE AUTOMATIC HEADLAMP DIMMING RELAY AUTOMATIC TRANSMISSION AUX OUTLET FUSE BLK WIRE CENTER CONSOLE ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) DIAGNOSTIC MODULE (SDM) ECM/TCM BATT FUSE EKM/ IP MDL FUSE ENGINE CONTROL MODULE (ECM) FROM FRT PWR OUTLET FUSE (DIAGRAM V/CHK 4 OF 6) FUSE FROM RIM/RPA/ ISRVM/CLM FUSE (DIAGRAM 3 OF 6) FROM RPDB 1 FUSE AFS (DIAGRAM FUSE 3 OF 6) FRONT CIGAR LIGHTER FRT PWR OUTLET FUSE HDLP WASH CIRCUIT BREAKER HEADLAMP WASHER FLUID PUMP RELAY (W/ HIGH INTENSITY DISCHARGE) HUD FUSE I/BEAM FUSE I/P ACCESSORY POWER OUTLET I/P MDL/ ALDL FUSE INFLATABLE RESTRAINT I/P MODULE INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE INFLATABLE RESTRAINT SENSING INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) J/C PNK WIRE POWER STEERING CONTROL MODULE (PSCM) REAR CIGAR LIGHTER RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) TO V/CHK FUSE (DIAGRAM 4 OF 6) TO WPR FUSE (DIAGRAM 5 OF 6) W/ ACTIVE BRAKE CONTROL W/ CIGARETTE LIGHTER W/ HIGH BEAM CONTROL INTELLIGENT W/O CIGARETTE LIGHTER WHT WIRE

4.6L 3.6L A/T SHIFT LOCK CTRL SOLENOID AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION SHIFT LEVER BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL MODULE (IPM) LEFT REAR FUSE BLOCK (UNDER LEFT SIDE OF REAR SEAT) LOGIC LOW REF NCA WIRE ORG/BLK WIRE P/N SIG RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (UNDER REAR SPEAKER SHELF) SENS SIG SERIAL DATA SHIFT LOCK CONTROL SHIFT PARK SUPPLY VOLTAGE SHIFT PARK SIGNAL THEFT/ SHFT FUSE TRANSMISSION CONTROL MODULE (TCM) GROUND WHT WIRE YEL WIRE YEL/BLK WIRE