Cadillac STS I (2004-2007) instrument panel module (ipm) Wiring diagrams

1 2 3 4 5 6 IGNITION 1 VOLTAGE BLK WIRE COMPUTER DATA LINES SYSTEM DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) ELECTRONIC BRAKE CONTROL MODULE(EBCM) (RIGHT FRONT CORNER OF ENGINE COMPART) ELECTRONIC SUSPENSION CONTROL (ECU) (BELOW RIGHT "C" PILLAR) GMLAN SERIAL WAKE UP GMLAN SERIAL WAKE UP GMLAN SERIAL DATA BUS + GMLAN SERIAL DATA BUS - GROUND HOT IN ON OR START INSTRUMENT PANEL MODULE (IPM) RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TO HEADLIGHT SYSTEM TO POWER DISTRIBUTION SYSTEM UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPARTMENT) CCP FUSE W/HEADLIGHT LEVELING WHT WIRE YEL WIRE

ABS IND. BLK WIRE BLU WIRE BRAKE FLUID PRESSURE SENSOR (ON REAR OF EBCM) BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE EBCM GMLAN GRN WIRE GRY WIRE GRY/BLK WIRE HI SPD GMLAN SER DATA W/U IGN INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT REAR WHEEL SPEED SENSOR (WSS) LO SPD GMLAN SER DATA LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PPL PPL/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) RIGHT REAR WHEEL SPEED SENSOR (WSS) STEER WHEEL POS SIG A STEER WHEEL POS SIG B STEERING ANGLE SENSOR (ON BASE OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TRACTION CONTROL IND TRACTION CONTROL SWITCH WHT WIRE YAW RATE, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER SEAT) YEL WIRE

A/C COMPRESSOR CLUTCH A/T AFTER BOIL HEATER PUMP AUTOMATIC HEADLAMP DIMMING RELAY AUTOMATIC TRANSMISSION BATTERY BLK WIRE BRAKE FLUID LEVEL SWITCH RIGHT HEATED WASHER NOZZLE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 1 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 2 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID INTAKE BANK 1 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID INTAKE BANK 2 COOLANT LEVEL SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) ENGINE OIL LEVEL SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL MODULE (IPM) LEFT HEATED WASHER NOZZLE WINDSHIELD WIPER/ WASHER MODULE REAR WINDOW DEFOGGER REAR WINDOW KEYLESS ENTRY ANTENNA TRANSMISSION CONTROL MODULE (TCM) W/ HID HEAD- LAMPS WHT WIRE WINDSHIELD HEADLAMP WASHER MOTOR ASSEMBLY

A/T SHIFT LEVER ASSEMBLY ACCESSORY RELAY AIR QUALITY SENSOR BLK WIRE BLK/WHT WIRE BLOWER CONTROLLER CONSOLE AUXILIARY POWER OUTLET DISTANCE SENSING CRUISE CONTROL MODULE FRONT AUXILIARY POWER OUTLET FRONT PASSENGER DOOR MODULE FRONT PASSENGER WINDOW MOTOR FRONT PASSENGER WINDOW SWITCH HAZARD SWITCH HOOD AJAR SWITCH HORN ASSEMBLY I/P COMPARTMENT LAMP SWITCH HVAC CONTROL MODULE IGN 1 RELAY IGNITION MODE SWITCH INSTRUMENT PANEL MODULE (IPM) LEFT FRONT CORNERING/ SIDE MARKER LAMP LEFT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY LEFT HEADLAMP LEFT REPEATER LAMP NCA WIRE PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH REAR AUXILIARY HVAC CONTROL MODULE REAR AUXILIARY POWER OUTLET RIGHT COOLING FAN RIGHT FRONT CORNERING/ SIDE MARKER LAMP RIGHT FRONT DOOR HANDLE SWITCH RIGHT FRONT TURN SIGNAL/ FOG LAMP ASSEMBLY RIGHT HEADLAMP RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RIGHT REAR DOOR MODULE (RRDM) RIGHT REAR WINDOW MOTOR RIGHT REPEATER LAMP S/P FAN RELAY TRACTION CONTROL SWITCH W/ HID RIGHT HEADLAMP W/O HID WHT WIRE

3.6L 3.6L 3.6L 3.6L 4.6L 36 20 (3.6L) (4.6L) 4.6L AUTOMATIC HEADLAMP DIMMING FUSE AUTOMATIC HEADLAMP DIMMING RELAY BANK 1 SENSOR 1 BANK 2 SENSOR 1 BATTERY BLK WIRE BLOWER RELAY BRN WIRE CAM FUSE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID EXHAUST BANK 1 CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID INTAKE BANK 1 DATA LINK CONNECTOR (DLC) EBCM FUSE ECM FUSE ECM/TCM FUSE ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE HEATED OXYGEN SENSOR FRONT BLOWER FUSE FUEL INJECTOR 1 FUEL INJECTOR 3 FUEL INJECTOR 5 IGNITION COIL/ MODULE 1 FUEL INJECTOR 1 IGNITION COIL/ MODULE 7 FUEL INJECTOR 3 FUEL INJECTOR 5 FUEL INJECTOR 7 FUSE FUSIBLE LINK GENERATOR HEATED OXYGEN SENSOR HI SPEED FAN FUSE HI SPEED FAN RELAY IGNITION COIL/ MODULE 1 IGNITION COIL/ MODULE 3 IGNITION COIL/ MODULE 5 IGNITION COIL/ MODULE 3 IGNITION COIL/ MODULE 5 INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) INTAKE MANIFOLD TUNING VALVE (IMTV) SOLENOID IPM/ ALDL FUSE LOW SPEED FAN FUSE LOW SPEED FAN RELAY MAIN RELAY ODD INJ/ COIL FUSE PNK PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PNK/ (ENGINE HARN, 14 CM FROM FUEL INJECTOR 7 CONN) WIRE RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) S/P FAN RELAY SPARE FUSE STARTER TO UNDERHOOD FUSE BLOCK TO UNDERHOOD FUSE BLOCK (HORN RELAY) (DIAGRAM 2 OF 7) TRANSMISSION CONTROL MODULE (TCM) VOLT CHECK FUSE WHT WIRE

1-2 SHIFT SOLENOID VALVE CONTROL 13 2 1 46 10 55 23 58 BRAKE SWITCH SIG GM LAN (-) GM LAN (+) DATA WAKE UP 2-3 SHFT SOL VLV 4-5 SHFT SOL VLV HI SPD SER DATA + HI SPD SER DATA - PPL 2-3 SHIFT SOLENOID VALVE CONTROL 3.6L 3.6L 4.6L 4-5 SHIFT SOLENOID VALVE CONTROL 4.6L 400 401 1228 418 5728 751 (OR 1551) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DATA WAKE-UP DK BLU/WHT WIRE ECM, TCM FUSE ENGINE CONTROL MODULE (ECM) (UNDER LEFT HEADLAMP) GRY WIRE HI SPD CAN + HI SPD CAN - HOT AT ALL TIMES HOT IN RUN OR START IGN 1 RELAY INSTRUMENT PANEL MODULE (IPM) LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL SIG PC SOL VLV LO CNTL 1-2 SHFT SOL VLV PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL TAP UP/DWN SW SIG TFT SENS SIG PRESSURE CONTROL SOLENOID RED WIRE RED/WHT WIRE SENSOR 1 SOL SUPPLY VLT IGN 1 VLT A/T ISS HI SIG A/T ISS LO SIG PNK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM/ IPC/ ECM FUSE TORQUE CONVERTER CLUTCH (TCC) PWM SOLENOID VALVE CONTROL TRANSMISSION CONTROL MODULE (RIGHT FRONT CORNER OF ENGINE COMPT) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TRS A TRS P TCC BRK SW SIG TRS B TRS C TFT SEN LO REF BATT + UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

3.6L 4.6L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU/WHT WIRE DK GRN WIRE ENABLE SWITCH GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN 3 FUSE IGN-3 RELAY INSTRUMENT PANEL MODULE (IPM) ORG/BLK WIRE PPL RIGHT REAR FUSE BLOCK (UNDER RIGHT SIDE OF REAR SEAT) TAN/WHT WIRE TAP UP + TAP DWN - TAP UP/ TAP DWN TRANS ENABLE SWITCH TAP UP/TAP DOWN SWITCH TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION MANUAL SHIFT SHAFT SWITCH ASSEMBLY TRANSMISSION OUTPUT SHAFT SPEED SENSOR WHT WIRE YEL WIRE

A/C SYSTEM ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCEL PEDAL) APP SENS SIG 1 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLU RLY CTRL MIL CTRL COOLING FANS SYSTEM DATA WAKE-UP DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) EVAP CANISTER VENT SOLENOID VALVE (ABOVE REAR DIFFERENTIAL) FUEL LEV SIG MAF SIG APP SENS 2 SIG FUEL LEVEL SENSOR FUEL PUMP, SENSOR ASSEMBLY GMLAN BUS- GRY WIRE IGN 1 VOLT INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) LAN BUS + LOGIC LOW REF LT BLU WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE ORG/BLK WIRE P/N SIG EVAP VENT SOL PNK IGN 1 VOLT FAN RLY CTRL WIRE PNK WIRE PNK/BLK WIRE PPL PPL LOW REF A/C REF PRES RLY COIL SUPP IAT SIG TANK PRES SIG PPL/WHT WIRE RADIO RED/BLK WIRE RED/WHT WIRE RLY COIL CTRL BATTERY + RLY CTRL FAN RLY CTRL SECONDARY FUEL LEVEL SENSOR SENSOR 1) 2501 1274 1669 5728 STARTING CIRCUIT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) TRANSMISSION MANUAL SHIFT SHAFT SWITCH ASSEMBLY (IN TRANSMISSION) VSS SIG SER DATA BUS MAIN RLY CTRL LOW REF LOW REF FUEL LEV SENS WAKE-UP WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2500 2501 COMPUTER DATA LINES SYSTEM A/C PRESS LOW REF APP LOW REF APP LOW REF A/C REFRIGERANT PRESSURE SENSOR (NEAR LEFT FRONT STRUT TOWER) A/C SYSTEM ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) APPS 1 SIG VEHICLE SPEED SIG MAF SEN SIG BLK WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM 473 5069 DATA WAKE-UP DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM, TCM FUSE ENGINE CONTROL MODULE (ECM) (BELOW LEFT HEADLAMP) EVAP VENT SOL CTNL A/C PRESS SENS SIG EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT SOLENOID (ABOVE REAR DIFFERENTIAL) EXTERIOR LIGHTS SYSTEM 17 447 FAN RLY CTRL MAIN RLY CTRL FUEL PMP RLY CNTL MIL CNTL A/C COMP CLTCH RLY FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IAT SEN SIG IAT SIG IGN IGN 1 VLT IGN 1 VLT IGN 1 VLT BATTERY + VLT APPS 2 SIG PNK PNK WIRE INSIDE REARVIEW MIRROR INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) LO SPD COOL FAN RLY LOGIC LOW REF LT BLU WIRE MAF LOW REF A/C PRESS LOW REF MAIN RELAY MASS AIR FLOW (MAF) SENSOR (IN AIR INTAKE DUCT) MIL IND ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL RADIO RED/WHT WIRE SENS SIG SENSOR 1 STARTING SYSTEM STOPLAMP SW SIG STRTR ENABLE RLY CNTL TAN WIRE TAN/BLK WIRE TCM/ IPC/ ECM FUSE TO EVEN COILS FUSE (DIAGRAM 4 OF 5) TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE