Cadillac CTS-V III (2013-2019) "check engine" ind ctrl Wiring diagrams

"CHECK ENGINE" IND CTRL ABS IND. ADAPTIVE FRONT LIGHTING (AFL) LIGHT IND AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR BATT POSITIVE VOLT BCM 5 FUSE BLK WIRE BLK/BLU WIRE BLU/GRY WIRE BRAKE IND (IF EQUIPPED) BRAKE WARNING IND (IF EQUIPPED) BRN/WHT WIRE CHARGE IND COLLISION ALERT LED CTRL COMPUTER DATA LINES SYSTEM CRUISE IND DISPLAY DISPLY FUSE DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE SPEED SIGNAL ETHERNET BUS 7 (-) FUEL GAUGE GRN WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE GY LVDS HEAD-UP DISPLAY CIRCUIT HEAD-UP DISPLAY SIG HIGH BEAM ASSIST IND HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILLUMINATION ILLUMINATION IND INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INTERCONN NETWORK BUS 12 KM/H IND LANE DEPARTURE WARNING IND LED DISPLAY DIM CTRL LEFT TURN IND LOGIC LOW BEAM IND LOW SPD GMLAN SERIAL DATA 2 MALFUNCTION IND MOST CTRL MOST SERIAL DATA (+) MOST SERIAL DATA (+) ETHERNET BUS 7 (-) MPH IND NAVIGATION SYSTEM OUTSIDE AMBIENT AIR TEMP SENS SIG OUTSIDE AMBIENT TEMP SENS LOW REF PARK BRAKE IND PARK IND PARK LAMP IND REAR FOG LAMP IND RED/BLU WIRE RED/BRN WIRE RIGHT TURN IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SERVICE PARK BRAKE IND SPARE/ MIL IGN FUSE SPEEDOMETER TACHOMETER TIRE PRESSURE IND TRACTION CONTROL OFF IND UNDERHOOD FUSE BLOCK VIO/GRY WIRE VSC OFF IND VSC ON IND W/ MULTI COLOR STANDARD GRAPHICS UP LEVEL MID LEVEL WHT WIRE WHT/GRN WIRE WHT/VIO WIRE

"CHECK ENGINE" IND CTRL 2.0L TURBO 3.6L 3.6L TURBO 2.0L TURBO 3.6L 6.2L BATT POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/GRN WIRE BRN/WHT WIRE BUS 12 COMPUTER DATA LINES SYSTEM DK GRN WIRE DOWN ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE SPEED SIGNAL FUEL LVL LOW REF FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN WIRE GRY/VIO WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) ILL LEFT LIFTGATE AJAR SW SIG 1 LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH NETWORK NETWORK BUS 2 OIL LVL SW SIG OIL PRESS SENS LOW REF OIL PRESS SENS SIG PRESS SENS 5 VOLT REF PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL LVL SENS RAP RELAY COIL CTRL REAR COMPARTMENT LID LATCH RED WIRE RED/BRN WIRE RIGHT SEC FUEL LVL SENS SIG SECONDARY FUEL LEVEL SENSOR FUEL LEVEL SENSOR ASSEMBLY SEEK DOWN SEEK UP SEL SUNROOF MOTOR (W/ SUNROOF) (REAR OF SUNROOF ASSEMBLY) TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO WIRE VIO/GRY WIRE VOL (-) WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR ACCESSORY WAKEUP SER DATA AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS LOW REF BRK POS SENS SIG BRK VACUUM SENS SIG BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CNSTR VENT FUSE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SPD SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG DOOR LOCKS SYSTEM DRV MODE SW SIG ECM BATT FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) EVAP CANISTER VENT SOL CTRL HTR RLY CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP FUEL PUMP PRIMARY RLY CTRL FUEL PUMP, LEVEL SENSOR ASSEMBLY GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HOOD STATUS A SIG HOT AT ALL TIMES HUMIDITY SENS SIG INDUCTION AIR TEMP SENS SIG MAIN RLY FUSED SPLY 3 MASS AIR FLOW SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 1 POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN RELAY COIL CTRL PRIMARY FUEL LEVEL SENSOR REAR BODY FUSE BLOCK RED WIRE RED/BRN WIRE RED/GRN WIRE RUN/CRANK IGNITION 1 VOLT SENS HI REF BANK 1 STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL STARTING/CHARGING SYSTEM TRANSMISSION PARK/NEUTRAL SIG 1 TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT 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

"CHECK ENGINE" IND CTRL A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESSURE SENSOR ACCESSORY WAKEUP SER DATA AFTER BOIL HTR RLY CTRL AIR CONDITIONING SYSTEM APP LOW REF 1 APP LOW REF 2 APP SIG (1) APP SIG (2) BATT POS VOLT BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS LOW REF BRK POS SENS SIG BRK VACUUM SENS SIG DRV MODE SW SIG BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CNSTR VENT FUSE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SPD SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ECM BATT FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) EVAP CANISTER VENT SOL CTRL EVAPORATIVE EMISSION VENT SOLENOID VALVE FUEL PUMP PRIMARY RLY CTRL FUEL TANK PRESS SENS SIG GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA (-) 1 CRUISE/ETC/TCC BRK SIG HOOD AJAR SW SIG HOT AT ALL TIMES HUMIDITY SENS SIG MAF SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 1 POWERTRAIN MAIN RLY FUSED SPLY 2 POWERTRAIN MAIN RLY FUSED SPLY 3 POWERTRAIN RLY COIL CTRL PRESS SENS SIG REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRN WIRE RUN/CRANK IGN 1 VOLT SIG GND STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL STARTING/CHARGING SYSTEM TRANSMISSION PARK/NEUTRAL SIG 1 TRANSMISSIONS SYSTEM VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL A/C CLUTCH RLY CTRL A/C REFRIGERANT PRESSURE SENS SIG AIR CONDITIONING SYSTEM APP LOW REF 1 APP LOW REF 2 APP SENS SIG (2) APP SENS SIG 1 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 SENS LOW REF BRK POS SENS SIG BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CNSTR VENT FUSE COMPUTER DATA LINES SYSTEM COOLING FAN CTRL RLY SPD SIG COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG ECM BATT FUSE ENGINE CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT) ENGINE CONTROL MODULE WAKEUP RELAY EVAP CANISTER VENT SOL CTRL FUSED SPLY 3 EVAPORATIVE EMISSION VENT SOLENOID VALVE EXHAUST FLOW CONTROL VALVE RELAY FRP SENS SIG FUEL LEVEL SENS LOW REF FUEL LINE PRESSURE SENS LOW REF FUEL LINE PRESSURE SENS SIG FUEL PUMP FUSE FUEL PUMP PRIMARY RLY CTRL FUEL TANK PRESSURE SENS SIG FUSED SPLY 2 GMLAN SERIAL DATA (-) 3 GMLAN SERIAL DATA - 1 GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BRN WIRE HOT AT ALL TIMES INDUCTION AIR TEMP SENS 2 SIG INLET AIR PRESSURE SENS LOW REF INLET AIR PRESSURE SENS SIG POWERTRAIN MAIN RLY FUSED SPLY 1 POWERTRAIN RLY COIL CTRL PRESSURE SENS LOW REF PRIMARY FUEL LEVEL SENS SIG REAR BODY FUSE BLOCK RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE REFRIGERANT PRESSURE SENS LOW REF RUN/CRANK IGN 1 VOLT SECONDARY FUEL LEVEL SENS SIG STARTER ENABLE RLY CTRL STARTING/CHARGING SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT) VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WAKEUP SERIAL 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