Cadillac CTS-V III (2013-2019) 5 volt ref Wiring diagrams

5 VOLT REF AIR QUALITY SENSOR AIR RECIRCULATION DOOR ACTUATOR BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BLWR MTR SPD CTRL BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DISPLACEMENT CTRL DISPLACEMENT SPLY DK BLU WIRE GMLAN SERIAL DATA GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED HUMIDITY SENS SIG HUMIDITY TEMP SENS SIG HVAC CONTROL MODULE (LOWER RIGHT END OF DASH) IGN IGN VOLT 1 INSIDE AIR TEMP SENS SIG IP BODY IGN FUSE LEFT AIR TEMPERATURE DOOR ACTUATOR LO AIR TEMP SENS SIG LO REF LOGIC LOW REF MODE DOOR ACTUATOR NETWORK BUS 9 PNK WIRE POWER DISTRIBUTION SYSTEM RED/VIO WIRE RR DEFOG RLY CTRL SENS SIG SOLAR SENS COMBINED SIG SOLAR SENS DRIVER SIG SOLAR SENS SPLY VOLT UNDERHOOD FUSE BLOCK UP AIR TEMP SENS SIG VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/O ONSTAR WHT WIRE WIND SCREEN TEMP SENS SIG SENS SIG WINDSCREEN TEMP SENS SIG WINDSHIELD TEMPERATURE, INSIDE MOISTURE SENSOR YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

2.0L TURBO 2.0L TURBO, 3.6L W/O EXTRA COOLING SYSTEM 3.6L 3.6L TURBO, 2.0L TURBO 6.2L 3.6L TURBO, 6.2L 5 VOLT REF 6.2L A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS LO REF A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AC CLTCH FUSE AUXILIARY COOLANT PUMP RELAY BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BRN/GRN WIRE BRN/RED WIRE CHARGE AIR COOLER COOLANT PUMP CHARGE AIR COOLER COOLANT PUMP RELAY COMPUTER DATA LINES SYSTEM COOL PUMP FUSE COOLANT TEMP SENS LO REF COOLING FAN CTRL RLY SPD SIG ECT SENS SIG ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR FUSE 6 GMLAN SERIAL DATA - 1 GRN WIRE GRY WIRE HEATER COOLANT PUMP HOT AT ALL TIMES HTR RLY CTRL J142 (2.0L TURBO) J143 (2.0L TURBO, 3.6L) LOGIC POWER DISTRIBUTION SYSTEM RED WIRE SPLY VOLT UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE WHT/GRY WIRE YEL/BLU WIRE

5 VOLT REF ACC IGN VOLT ACC WAKEUP SERIAL DATA SERIAL DATA COMMUNICATION ENABLE ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG HDLP SW FLASH TO PASS SIG AMBIENT LT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM CRUISE CONTROL SYSTEM AUTO STOP START IND CTRL AUTO STOP START SW SIG BATT POSITIVE VOLT BATT POSITIVE VOLTAGE BATT RVC FUSE BATTERY BATTERY CURRENT SENSOR BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 5 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRK APPLY SENS CTRL BRK APPLY SENS LO REF BRK APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CAMERA WASH SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL SET/COAST/ RESUME/ACCELERATE SW SIG WINDSHIELD WIPER SW LO REF CURRENT SENS CTRL CURRENT SENS SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DRV DR LK SW LK SIG DRV DR LK SW UNLK EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FDBACK SIG GLOVE BOX DOOR RELEASE RLY CTRL GLOVE BOX DOOR RELEASE SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HAZARD SW LT TURN SIG HAZARD SW RH TURN SIG HAZARD SW SIG HDLP DIMM SW HI BEAM SIG HDLP SW HDLPS OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LP SIG HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA (+) (1) REMOTE FUNCTION ACTR RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HOOD STATUS B SIGNAL HORN SW SIG HORNS SYSTEM HOT AT ALL TIMES I/P LP DIM SW SIG I/P LP DIMM SW LO REF IGN MODE SW ACC LED SIG IGN MODE SW MODE VOLT IGN MODE SW ST LED SIG IND DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INTERIOR LP CTRL INTR LP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LED BACKLIGHT DIMG CTRL LH AUXILIARY DRL CTRL LH FRT DRL CTRL LH HDLP LO BEAM CTRL LIN BUS 4 PARK LP CTRL POWER DISTRIBUTION SYSTEM PUDDLE LAMP CTRL RAP RELAY COIL CTRL REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR LO REF REMOTE FUNCTION ACTR TRANS SIG RF TRN SIG LP CTRL RH FRT DRL CTRL RH HDLP LO BEAM CTRL RR LICENSE LP CTRL RR TURN SIG LP CTRL RUN/CRANK IGN 1 VOLT RUN/CRANK RLY COIL CTRL SECURITY IND CTRL STARTING/CHARGING SYSTEM STARTING/CHARGING, ANTI-LOCK BRAKES, CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS STRG COLUMN LK STATUS SIG TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG 1 TRANSMISSIONS SYSTEM VEH ANTI-THEFT SYM IMMOBILIZER LO REF LIN BUS 11 VEH ANTI-THEFT SYS IMMOBILIZER CTRL 12 VOLT REF VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER MTR RLY COIL CTRL WINDSHIELD WIPER SW HI SIG WINDSHIELD WPR SW LO SIG WIPER/WASHER SYSTEM WIRELESS CHARGE IND CTRL YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

5 VOLT REF BCM 1 FUSE BCM 2 FUSE BCM 5 FUSE BCM 6 FUSE BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DATA BUS 8 DIM SIG DIM SW LOW REF DIM SW SIG DOME LAMP SWITCH DRIVER MIRROR CONTROL MODULE DRIVER WINDOW SWITCH GARAGE DOOR OPENER GND INDICATOR DIM CTRL GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE HEAD HEAD-UP DISPLAY SWITCH HI SPD GMLAN SER DATA - HOT AT ALL TIMES IGNITION MODE SWITCH INFO DISPLAY MODULE INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK LED BACKLIGHT DIMM CTRL LEFT FRONT DOME/ READING LAMPS LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF NETWORK BUS 3 NETWORK BUS 9 ORG/BLK WIRE OUTSIDE REAR VIEW MIRROR SWITCH PARK AUTO OFF PARK BRAKE CONTROL SWITCH PARK LP SIG PNK WIRE PPL REAR BODY FUSE BLOCK REAR WINDOW SUNSHADE SWITCH RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOME/ READING LAMPS RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL HEATING CONTROL MODULE SUNROOF SWITCH TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ UNIVERSAL GARAGE DOOR WHT WIRE YEL WIRE YEL/GRY WIRE

2.0L TURBO 5 VOLT REF AUTOMATIC TRANSMISSION ASSEMBLY BCM 1 FUSE BCM 2 FUSE BCM 6 FUSE BCM 7 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR BRK APPLY SENS SIG BRK APPLY SENS CTRL BRK POS SENS SIG COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE EXCEPT 3.6L TURBO GND HI SPD GMLAN SERIAL DATA (+) 1 HI SPD GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LOW REF PARK LOCK SOL CTRL POS SIG PARK POSITION SWITCH PARK SIG PARK/NEUTRAL POSITION SWITCH REAR BODY FUSE BLOCK RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF SERIAL DATA TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO/BLK WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE

5 VOLT REF A/C COMPRESSOR CLUTCH RELAY AERO SHUTTER FUSE AUXILIARY COOLANT PUMP RELAY BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHASSIS CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM ECM FUSE ECM IGN FUSE ENGINE CONTROLS IGNITION RELAY FSCM IGN FUSE FUEL LEVEL SENSOR ASSEMBLY FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP FSCM FUSE FUEL PUMP LOW REF FUSE 6 GND EXTENSION GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN COIL INJ FUSE LOW REF NCA WIRE REAR BODY FUSE BLOCK RED WIRE RED/VIO WIRE RLY CTRL SECONDARY FUEL LEVEL SENSOR SENS SIG SERIAL DATA SERIAL DATA (-) (1) SOL CTRL 1 SOL CTRL 2 SPARE/ IGN COIL INJ FUSE UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE

"CHECK ENGINE" IND CTRL 5 VOLT REF A/C CLUTCH RLY CTRL A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR AIR CONDITIONING SYSTEM AIR PRESSURE SENS APP SIG (1) APP SIG (2) BATT POS VOLT BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRK POS SIG BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SPEED SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG ECM IGN FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FRP SENS SIG FUEL PRESSURE SENSOR FUEL PUMP FUEL PUMP RLY CTRL FUEL PUMP, LEVEL SENSOR ASSEMBLY FUEL TANK PRESSURE SENS SIG FUEL TANK PRESSURE SENSOR GMLAN SER DATA 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HEATER RLY CTRL HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT LOW REF LOW REF (1) LOW REF 2 NCA WIRE POWERTRAIN MAIN RLY SPLY 1 POWERTRAIN MAIN RLY SPLY 2 POWERTRAIN MAIN RLY SPLY 3 POWERTRAIN RLY COIL CTRL PRESSURE SENS SIG PRIMARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR RED/BRN WIRE RED/GRN WIRE SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR FUEL LEVEL SENSOR ASSEMBLY SENS LOW REF STARTER ENABLE RLY CTRL STARTING/ CHARGING SYSTEM TEMPERATURE SIG UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WAKE-UP SER DATA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

5 VOLT REF ACTUATOR CTRL CLOSE AIR TEMP SENS SIG BAROMETRIC PRESSURE SENSOR BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHARGE IND CTRL DRIVER MODE SW SIG DUTY CYCLE SIG ENG SPD SIG ENGINE CONTROL MODULE EVAP PURGE SOL CTRL FLOW SENS SIG 2 FUEL RAIL PRESSURE/ TEMPERATURE SENSOR GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HI BANK 1 SENS (2) HI BANK 1 SENS 1 HI BANK 2 SENS 1 HI BANK 2 SENS 2 HIGH REF BANK 2 HOS HTR LOW CTRL 1 HOS HTR LOW CTRL 2 HUMIDITY SENS SIG INSTRUMENT CLUSTER SYSTEM KNOCK SENS SIG 1 KNOCK SENS SIG 2 KNOCK SENSOR #2 KNOCK SENSOR 1 LOGIC LOW BANK 1 SENS 1 LOW BANK 1 SENS 2 LOW BANK 2 SENS 1 LOW BANK 2 SENS 2 LOW REF LOW REF (1) LOW REF 2 LOW REF BANK 2 MAF SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENS SIG MULTI-FUNCTION INTAKE AIR SENSOR OIL LEVEL SW SIG PARK/NEUTRAL SIG (1) SENS SIG SENS SIG BANK 2 SIG GND SOL CTRL 2 SOL CTRL BANK 1 SOL CTRL BANK 2 STARTING/ CHARGING SYSTEM TAN WIRE THROTTLE ACTUATOR CTRL OPEN VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/WHT WIRE WASTEGATE SOL CTRL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

5 VOLT REF A/C COMPRESSOR CLUTCH RELAY AERO SHUTTER FUSE AUXILIARY COOLANT PUMP RELAY BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CHASSIS CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM ECM FUSE ECM IGN FUSE ENGINE CONTROLS IGNITION RELAY FSCM IGN FUSE FUEL PRESSURE SENSOR FUEL PUMP CTRL FUEL PUMP LOW REF FUSE 6 GND EXTENSION GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT IGN COIL INJ FUSE LOW REF NCA WIRE PRESS SENS SIG RED WIRE RED/VIO WIRE RLY CTRL SER DATA SER DATA (-) (1) SOL CTRL SPARE/ IGN COIL INJ FUSE UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE