Cadillac STS I facelift (2007-2011) throttle body assembly (top front of engine) Wiring diagrams

1 2 3 4 5 6 IGNITION 1 VOLTAGE 3 27 GND 5 V REF LO REF SENS SIG 42 55 52 SERIAL DATA BUS + SERIAL DATA BUS - TCC/CRUISE CONTROL RELEASE SIG ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CCP/RLY COILS FUSE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG 21 22 SERIAL DATA GMLAN SERIAL DATA GMLAN DISPLAY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ECM/TCM IGN FUSE ENGINE CONTROL MODULE (ECM) (FRONT OF ENGINE, ON RIGHT VALVE COVER) GMLAN SERIAL DATA GMLAN SERIAL WAKE UP GMLAN SERIAL DATA + GMLAN SERIAL DATA - GROUND GRY WIRE HEAD UP DISPLAY (HUD) (IF EQUIPED) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL ACCY SUPPLY PPL PPL SOUND SYSTEMS RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TCC/CRS CNTL THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IGNITION 1 VOLTAGE 2500 2501 COMPUTER DATA LINES SYSTEM 3 27 GND 5 V REF LO REF SENS SIG 4.6L 53 33 SERIAL DATA BUS + SERIAL DATA BUS - ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CCP/RLY COILS FUSE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG 21 22 SERIAL DATA GMLAN SERIAL DATA GMLAN DISPLAY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ECM/TCM IGN FUSE GMLAN SERIAL DATA GMLAN SERIAL WAKE UP GMLAN SERIAL DATA + GMLAN SERIAL DATA - GROUND GRY WIRE HEAD UP DISPLAY (HUD) (IF EQUIPED) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL ACCY SUPPLY PPL PPL SOUND SYSTEMS RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TCC/CRS CNTL TCC/CRUISE CNTL REL SIG THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IGNITION 1 VOLTAGE 2500 2501 COMPUTER DATA LINES SYSTEM 3 27 GND 5 V REF LO REF SENS SIG 4.6L 53 33 SERIAL DATA BUS + SERIAL DATA BUS - ACCELERATOR PEDAL POSITION (APP) SENSOR (ATTACHED TO TOP OF ACCELERATOR PEDAL) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR (ATTACHED TO TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CCP/RLY COILS FUSE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND CRUISE SW SIG 21 22 SERIAL DATA GMLAN SERIAL DATA GMLAN DISPLAY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND FRONT FASCIA, NEAR HOOD LATCH) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ECM/TCM IGN FUSE GMLAN SERIAL DATA GMLAN SERIAL WAKE UP GMLAN SERIAL DATA + GMLAN SERIAL DATA - GROUND GRY WIRE HEAD UP DISPLAY (HUD) (IF EQUIPED) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGNITION INSTRUMENT PANEL CLUSTER (IPC) INSTRUMENT PANEL MODULE (IPM) (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) LOGIC LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL ACCY SUPPLY PPL PPL SOUND SYSTEMS RED WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TCC/CRS CNTL TCC/CRUISE CNTL REL SIG THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

20 21 22 PPL 5 VOLT REF A/C CMPRSR CLTCH RELAY BLK WIRE BLK/WHT WIRE BRK VAC PUMP RELAY BRN WIRE CAMSHAFT POSITION (CMP) SENSOR EXHAUST BANK 1 (TOP RIGHT FRONT OF ENGINE) CAMSHAFT POSITION (CMP) SENSOR EXHAUST BANK 2 (TOP LEFT FRONT OF ENGINE) CAMSHAFT POSITION (CMP) SENSOR INTAKE BANK 1 (TOP FRONT OF ENGINE) CAMSHAFT POSITION (CMP) SENSOR INTAKE BANK 2 (TOP FRONT OF ENGINE) CKP SIG CMP SIG CRANKSHAFT POSITION SENSOR (LOWER RIGHT REAR OF ENGINE) DK GRN WIRE ECM/TCM BATT FUSE EVEN ODD COILS COILS FUSE FUSE EXHAUST FUEL COOL FUSE FUEL COOL RELAY FUEL RAIL PRESSURE (FRP) SENSOR (IN ENGINE COMPT, ON FUEL RAIL) GRY WIRE HOT AT ALL TIMES LO FAN FAN HI FAN SPD S/P SPD RELAY RELAY RELAY BRAKE VAC PUMP ECM 1 FUSE FUSE LOW REF ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL PWR/TRN RELAY RED/WHT WIRE SENS 1 SENS 2 SENS RTN SNSR FUSE TAN WIRE THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) UNDERHOOD FUSE BLOCK YEL WIRE

1 DK 2 PPL/ 20 21 22 23 24 25 26 27 28 29 PPL BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL LEVEL/ TEMPERATURE SENSOR (BOTTOM CENTER OF ENGINE OIL PAN) ENGINE OIL PRESSURE (EOP) SENSOR (ON LEFT SIDE OF ENGINE) FUEL INJ 6 CTRL FUEL INJ 7 CTRL FUEL INJ 1 CTRL GROUND GRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE KNOCK SENSOR (KS) 1 (ON RIGHT SIDE OF ENGINE, UNDER INTAKE MANIFOLD) KNOCK SENSOR (KS) BANK 2 (ON LEFT SIDE OF ENGINE, UNDER INTAKE MANIFOLD) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF GND SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 4 5 6 7 8 9 10 11 12 13 14 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 1 2 PPL PNK WIRE PPL/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) WHT TAN/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK PNK/ WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL INJ 6 CTRL FUEL INJ 7 CTRL FUEL INJ 1 CTRL GROUND GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IAT SENSOR SIG CKP SENSOR SIG TP SENSOR 1 SIG IGN 1 VOLT KNOCK SENSOR (KS) BANK 1 (ON RIGHT SIDE OF ENGINE, UNDER INTAKE MANIFOLD) KNOCK SENSOR 2 SIG KNOCK SENSOR 2 SIG KNOCK SENSOR 1 SIG KNOCK SENSOR 1 SIG LOW REF 5 VOLT REF 2 5 VOLT REF 2 LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PPL TP SENSOR 2 SIG MAF SENSOR SIG PPL/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY ASSEMBLY (TOP FRONT OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE