Cadillac CTS II (2007-2014) (top right of engine) Wiring diagrams

53 33 39 40 SERIAL DATA + SERIAL DATA - 6.2L 3.0L, 3.6L 66 67 VSS LO SIG VSS HI SIG PPL BATT VOLT GROUND BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION DATA BUS+ DATA BUS+ DATA BUS- DATA BUS- DK GRN/WHT WIRE FRONT UPPER BEAM PEDESTRIAN IMPACT DETECTION SENSOR GRY WIRE HI SPD GMLAN SERIAL DATA BUS + HOOD HI REF HOOD LO REF HOOD LO REF HOOD HI REF PPL HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) HOT W/ PWR/TRN RELAY ENERGIZED LEFT ACTIVE HOOD HINGE ACTUATOR LO REF LT BLU WIRE MODULE SIG ORG/ WIRE PED PRO FUSE PEDESTRIAN IMPACT DETECTION MODULE PNK WIRE PPL PPL/WHT WIRE REAR UPPER BEAM PEDESTRIAN IMPACT DETECTION SENSOR RED/WHT WIRE RIGHT ACTIVE HOOD HINGE ACTUATOR SENSOR SIG SENSOR SIG LO REF SENSOR SIG MODULE SIG SERIAL DATA SENSOR SIG SENSOR LO REF SHORTING BAR TAN WIRE TAN/BLK WIRE TOSS/BRK VAC RLY FUSE TRANSMISSION CONTROL MODULE (TCM) VEHICLE SPEED SENSOR (6.2L M/T) VEHICLE SPEED SENSOR (EXCEPT 6.2L M/T) (LEFT REAR OF TRANSMISSION) VSS HIGH SIG VSS HIGH SIG GND BATT+ VOLT 2 3 WHT WIRE YEL WIRE

14 15 16 17 18 19 20 21 22 23 24 25 VARIABLE EFFORT STEERING ACTR CTRL 26 27 28 29 30 31 32 33 34 35 36 37 38 VARIABLE EFFORT STEERING ACTR SPLY VOLT 5-VOLT REF VEHICLE SPEED SIGNAL CAN BUS HIGH SERIAL DATA AUXILIARY BRAKE BOOSTER PUMP BATTERY POSITIVE VOLTAGE BLK WIRE BRAKE BOOSTER VACUUM SENSOR SIG BRAKE BOOSTER PUMP RLY CTRL BRAKE PRESSURE MODULATOR VALVE BRK VAC PUMP FUSE (EXCEPT 6.2L) BRN WIRE CAN BUS CAN BUS IGN HIGH LOW CAN BUS HIGH CAN BUS IGN LOW CAN BUS LOW SERIAL DATA COMPUTER DATA LINES SYSTEM DISPLY FUSE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (RIGHT FRONT CORNER OF ENGINE COMPT) GMLAN SERIAL DATA BUS+ GMLAN SERIAL DATA BUS+ BATTERY POSITIVE VOLTAGE GMLAN SERIAL DATA BUS- GMLAN SERIAL DATA BUS- GND GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) ABS HOT W/ IGN 1 RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR (WSS) (LEFT FRONT WHEEL HUB ASSEMBLY) LH FRT WHEEL SPD SENS SIG LH FRT WHEEL SPD SENS SIG LH RR WHEEL SPD SENS SIG RH FRT WHEEL SPD SENS SIG LOW REF RH FRT WHEEL SPD SENS SIG 12 VOLT REF 12 VOLT REF LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/WHT WIRE RH RR WHEEL SPD SENS SIG RIGHT REAR WHEEL SPEED SENSOR (WSS) (RIGHT REAR WHEEL HUB ASSEMBLY) SERIAL DATA COMMUNICATION ENABLE STEERING WHEEL POSITION SENSOR (TOP OF STEERING COLUMN) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TOSS/BRK ABS VAC RELAY FUSE (EXCEPT 6.2L) MTR FUSE FUSE WHT WIRE YAW RATE-LATERAL ACCELERATION SENSOR (UNDER CENTER CONSOLE) YEL WIRE YEL/BLK WIRE

3.6L, 3.0L 3.6L, 6.2L 3.0L 5-VOLT REF 5-VOLT REF 1 6.2L 6.2L 3.0L, 3.6L A/C CMPRSR CLTCH RELAY A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON A/C AC CLTCH FUSE BLK WIRE CHARGE AIR COOLER (CAC) COOLANT PUMP CHARGE AIR COOLER (CAC) COOLANT PUMP RELAY (6.2L) CHARGE AIR COOLER COOLANT PUMP CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG EMIS 2 FUSE ENGINE COOLING FAN ENGINE COOLING FAN RESISTOR FAN 1 FUSE (3.6L, 3.0L) (6.2L) FAN 1 RELAY FAN 2 RELAY FAN S/P RELAY GRY (OR BLK) WIRE GRY WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT AT ALL TIMES FAN 2 FUSE HOT W/ PWR/ TRN RELAY ENERGIZED INCLR FUSE LEFT ENGINE COOLING FAN (LEFT SIDE OF RADIATOR) LEFT FRONT STRUT TOWER) LO REF LO SPD COOLING FAN RLY CTRL LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE REFRIGERANT LINE) RIGHT ENGINE COOLING FAN (RIGHT SIDE OF RADIATOR) SUNLOAD SENSOR (TOP CENTER OF DASH) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

3.0L&3.6L 3.6L, 3.0L 6.2L BLK WIRE CHARGE AIR COOLER (CAC) COOLANT PUMP CHARGE AIR COOLER (CAC) COOLANT PUMP RELAY (6.2L) CHARGE AIR COOLER COOLANT PUMP CTRL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ECT SENS SIG EMIS 2 FUSE ENGINE COOLING FAN ENGINE COOLING FAN RESISTER FAN 1 FUSE (3.6L, 3.0L) (6.2L) FAN 1 RELAY FAN 2 RELAY FAN S/P RELAY FAN-2 FUSE GRY WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT W/ PWR/ TRN RELAY ENERGIZED HVAC CONTROL MODULE (CENTER OF DASH) INCLR FUSE LEFT COOLING FAN (LEFT SIDE OF RADIATOR) LEFT FRONT STRUT TOWER) LO REF LO SPD COOLING FAN RLY CTRL LO SPD GMLAN SERIAL DATA LT BLU WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT COOLING FAN (RIGHT SIDE OF RADIATOR) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) WHT WIRE YEL WIRE

12 11 44 64 29 66 16 32 34 70 54 TAC MOTOR CTRL CLOSE TAC MOTOR CTRL OPEN 1840 1840 1840 451 BATT POSITIVE VOLT 3 1 2 BATT POSITIVE VOLT VSS HI SIG GND 3 9 BATT POSITIVE VOLT GND 53 34 33 14 15 30 37 49 35 33 47 36 PPL LOW REF APP SENS 2 SIG 6.2L EXCEPT 6.2L 6.2L EXCEPT 6.2L 11 11 66 67 VEHICLE SPD SENS VSS LOW REF PPL A/T APP SENS 1 SIG LOW REF BATT POSITIVE VOLT BCM 6, 7 FUSE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL) BRN WIRE COMPUTER DATA LINES CRUISE SYSTEM IND COMPUTER DATA LINES SYSTEM (OR 5380) (OR 5382) (OR 5381) 7360 7361 CRUISE CTRL IND SIG CRUISE CTRL SW SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY (DIC) GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE BLOCK (RIGHT REAR ECM FUSE OF LUGGAGE COMPT) HOT W/ PWR/TRN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT GRN WIRE M/T ORG/DK GRN WIRE POWER DISTRIBUTION SYSTEM PPL PPL CTRL SPLY VOLT PPL/WHT WIRE RED WIRE RED/WHT WIRE SERIAL DATA STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE TOSS/BRAKE VAC RLY FUSE TP SENS 1 SIG LOW REF TP SENS 2 SIG UNDER HOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (EXCEPT 6.2L, M/T) (LEFT REAR OF TRANSMISSION) VSS HIGH SIG WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

5-V 1 REF BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (RIGHT SIDE OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXHAUST BANK 1 CAMSHAFT POSITION (CMP) SENSOR (RIGHT FRONT OF CYLINDER HEAD) EXHAUST BANK 2 CAMSHAFT POSITION (CMP) SENSOR (FRONT OF LEFT CYLINDER HEAD) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL GRY WIRE GRY/WHT WIRE INTAKE BANK 1 CAMSHAFT POSITION (CMP) SENSOR (RIGHT FRONT OF CYLINDER HEAD) INTAKE BANK 2 CAMSHAFT POSITION (CMP) SENSOR (LEFT FRONT OF CYLINDER HEAD) LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK/BLK WIRE PPL PPL/WHT WIRE TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

5-V 1 REF FRP SENS SIG 5-V 4 REF TP SENS 2 SIG KNOCK SENS 1 SIG KNOCK SENS 2 SIG AIR TEMP SENS SIG BACKUP LAMP SW BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BLK/WHT WIRE BRN WIRE BRN/GRY WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FUEL RAIL PRESSURE (FRP) SENSOR GRY WIRE GRY/WHT WIRE HUMIDITY SENS SIG TAC MTR CTRL-2 KNOCK SENSOR (KS) 1 (RIGHT SIDE OF ENGINE BLOCK) KNOCK SENSOR (KS) 2 (LEFT SIDE OF CYLINDER BANK) LOW REF LOW REF LOW REF LOW REF SENS SIG LT BLU WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP) (TOP OF ENGINE) MAP SENS SIG 5-V 3 REF MULTIFUNCTION INTAKE AIR SENSOR (ATTACHED TO THE AIR CLEANER ASSEMBLY) ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK GRY/WHT WIRE PNK/BLK ORG/WHT WIRE PNK/BLK WIRE PPL PPL PPL PPL/WHT WIRE REF VOLT STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM 2752 23 1716 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT CENTER OF ENGINE) TRANSMISSIONS SYSTEM VEHICLE SPED SEN YEL WIRE YEL/WHT WIRE

5-V 1 REF BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (RIGHT SIDE OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXHAUST BANK 1 CAMSHAFT POSITION (CMP) SENSOR (RIGHT FRONT OF CYLINDER HEAD) EXHAUST BANK 2 CAMSHAFT POSITION (CMP) SENSOR (FRONT OF LEFT CYLINDER HEAD) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL GRY WIRE GRY/WHT WIRE INTAKE BANK 1 CAMSHAFT POSITION (CMP) SENSOR (RIGHT FRONT OF CYLINDER HEAD) INTAKE BANK 2 CAMSHAFT POSITION (CMP) SENSOR (LEFT FRONT OF CYLINDER HEAD) LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK/BLK WIRE PPL PPL/WHT WIRE TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

5-V 1 REF FRP SENS SIG 5-V 4 REF TP SENS 2 SIG KNOCK SENS 1 SIG KNOCK SENS 2 SIG AIR TEMP SENS SIG BACKUP LAMP SW BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BLK/WHT WIRE BRN WIRE BRN/GRY WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) FUEL RAIL PRESSURE (FRP) SENSOR GRY WIRE GRY/WHT WIRE HUMIDITY SENS SIG TAC MTR CTRL-2 KNOCK SENSOR (KS) 1 (RIGHT SIDE OF ENGINE BLOCK) KNOCK SENSOR (KS) 2 (LEFT SIDE OF CYLINDER BANK) LOW REF LOW REF LOW REF LOW REF SENS SIG LT BLU WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (MAP) (TOP OF ENGINE) MAP SENS SIG 5-V 3 REF MULTIFUNCTION INTAKE AIR SENSOR (ATTACHED TO THE AIR CLEANER ASSEMBLY) ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK GRY/WHT WIRE PNK/BLK ORG/WHT WIRE PNK/BLK WIRE PPL PPL PPL PPL/WHT WIRE REF VOLT STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM 2752 23 1716 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT CENTER OF ENGINE) TRANSMISSIONS SYSTEM VEHICLE SPED SEN YEL WIRE YEL/WHT WIRE

5-VOLT REF 1 5-VOLT REF 2 6 7 8 PNK WIRE ACTUATOR SIG BACKUP LP SW SIG BARO SENS SIG BAROMETRIC PRESSURE (BARO) SENSOR (TOP LEFT SIDE OF ENGINE) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION (CPP) SENSOR (M/T) (TOP OF CLUTCH PEDAL ASSEMBLY) COMPUTER DATA LINES SYSTEM COOLANT PUMP CTRL COOLING FANS SYSTEM DATA BUS - DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DUTY CYCLE SIGNAL ECT SENS SIG ENGINE CONTROL MODULE (ECM) (RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT FRONT OF ENGINE) ENGINE OIL TEMP SIG EVAP CTRL GENERATOR FIELD GENERATOR TURN ON SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IAT SENS SIG INTAKE AIR TEMPERATURE (IAT) SENSOR (TOP LEFT SIDE OF ENGINE) LO REF LOW REF LT BLU WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (TOP OF ENGINE) MAP SENS SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/GRN WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL 7 8 9 PPL/WHT WIRE RED/WHT WIRE RLY CTRL SENS SIG SIG POS SKIP SHIFT SIG SOL SIG STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VEHICLE SPEED SENSOR (VSS) (M/T) (LEFT REAR OF TRANSMISSION) VSS LOW SIG WHT/BLK WIRE YEL WIRE YEL/BLK WIRE