Cadillac ELR I (2013-2015) vio/brn Wiring diagrams

1 2 3 4 5 6 7 8 9 10 SERIAL DATA (+) SERIAL DATA (-) GROUND COMMUNICATION ENABLE 2501 2500 4337 4338 1240 COMPUTER DATA LINES SYSTEM 40 34 AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY GRY/GRN WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES LT BLU WIRE PED PROT FUSE PEDESTRIAN ALERT SOUND SPEAKER (BEHIND LEFT END OF FRONT FASCIA) REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/LT BLU WIRE TRANSMISSION CONTROL MODULE VIO/BRN WIRE WHT WIRE WHT/LT BLU WIRE

18 19 20 21 COMBINED VEH INERTIAL SENS SPLY VOLT 2500 2500 COMPUTER DATA LINES SYSTEM 36 37 HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - 6105 6105 COMPUTER DATA LINES SYSTEM ABS MDL FUSE ABS MTR FUSE APPLY SW VOLT REF APPLY SWITCH SIG BLK WIRE BLK/GRY WIRE BLK/LT BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BRAKE IND BRAKE PRESSURE MODULATOR (PART OF BRAKE CONTROL MODULE) BRK PDL TRAVEL SENS 1 HI REF BRK PDL TRAVEL SENS 1 SIG BRK PDL TRAVEL SENS 2 SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY ELECTRONIC BRAKE CONTROL MODULE (UNDER MASTER BRAKE CYLINDER ASSEMBLY) GROUND GRY WIRE GRY/BLK WIRE HI SPD GMLAN SERIAL DATA HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRONT WHEEL HUB ASSEMBLY) LEFT REAR WHEEL SPEED SENSOR (ON LEFT REAR WHEEL HUB ASSEMBLY) LF WHEEL SPD SENS SIG LO REF LOGIC INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE NCA WIRE PARKING BRAKE CONTROL MODULE (BEHIND REAR OF LEFT REAR WHEELWELL LINER) POWER DISTRIBUTION SYSTEM RED/BRN WIRE RED/WHT WIRE RELEASE SW VOLT REF RELEASE SWITCH SIG RF WHEEL SPD SENS SIG RIGHT FRONT WHEEL SPEED SENSOR (ON RIGHT FRONT WHEEL HUB ASSEMBLY) RIGHT REAR WHEEL SPEED SENSOR (ON RIGHT REAR WHEEL HUB ASSEMBLY) SERIAL DATA SWITCH SIG TCS/ ESC IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VITM RN CRK FUSE VOLT REF WHT WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRAKE CONTROL BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE FLUID LEVEL SWITCH (BOTTOM OF BRAKE FLUID RESERVOIR) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK APPLY SENS SIG BRK APPLY SENS SPLY VOLT BRK PDL TRAVEL SENS 1 HI REF BRK PDL TRAVEL SENS 1 SIG BRK PDL TRAVEL SENS 2 SIG BRN WIRE BRN/WHT WIRE CENTER CONSOLE MULTI-FUNCTION SWITCH COMBINED VEHICLE INERTIAL SENS SPLY VOLT COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CRUISE/ETS/TCC BRAKE SIG DATA ENGINE CONTROL MODULE (BEHIND LEFT END OF FRONT FASCIA) GRY/BLK WIRE HI SPD GMLAN SERIAL DATA LO REF LO SPD GMLAN SERIAL DATA LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE MULTI-AXIS ACCELERATION SENSOR (UNDER REAR OF CENTER CONSOLE) PARK BRAKE CONTROL SWITCH STEERING ANGLE SENSOR SYSTEM TRACTION CONTROL SWITCH TRACTION CTRL SWITCH SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BRN WIRE WHT WIRE WHT/LT BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 B+ LOW SPD GMLAN AIR RECIRCULATION DOOR ACTUATOR (LEFT SIDE OF HVAC BLOWER HOUSING) AIR TEMP SENS SIG BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLOWER MOTOR SPD CTRL BRN/DK GRN WIRE BRN/LT BLU WIRE BRN/VIO WIRE CABIN CLANT MTR CTRL GND IGN COMPUTER DATA LINES SYSTEM COOLANT TEMP SIG DEFOGGER SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HTR COOLANT MTR HVAC CONTROL MODULE HVAC FUSE IGN INFO DISPLAY MODULE LEFT AIR TEMPERATURE DOOR ACTUATOR (LOWER LEFT SIDE OF HVAC MODULE) LEFT INSTRUMENT PANEL FUSE BLOCK (LEFT END OF DASH) LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOW REF LOW REF REAR DEFOG RLY CTRL LT BLU/GRY WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/YEL WIRE MODE DOOR ACTUATOR (UPPER LEFT SIDE OF HVAC MODULE) ORG/ WIRE RADIO/HVAC CONTROLS RED/BLK WIRE RED/GRN WIRE RED/LT GRN WIRE SERIAL DATA LINEAR INTERCONNECT NETWORK BUS 9 TEMP SENS COMM LO REF TWILIGHT SENTINEL SIG VIO/BRN WIRE VIO/YEL WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE YEL/VIO WIRE

13 12 26 LOW REF PRESS SENS SIG 5 VOLT REF 31 63 60 26 40 LOW PRESS SENS SIG 5 VOLT REF LOW REF SENS SIG LOW REF 46 30 COOLANT TEMP SENS SIG LOW REF 5 VOLT REF 72 52 9 HTR SOL VALVE CTRL COOLING FAN CTRL SIG COOLING FAN SPD SIG A/C LOW SIDE PRESSURE SENSOR (LEFT SIDE OF ENGINE, ON A/C PRESSURE LINE) A/C REFRIGERANT PRESSURE SENSOR (IN A/C HIGH PRESSURE LINE) ACCESS WAKUP SERIAL DATA 2 ACCESS WAKUP SRL DATA AMBIENT AIR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF FRONT FASCIA LOWER GRILLE) B+ VOLT BATT + BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLU/GRY WIRE BRN/RED WIRE COMPT BULKHEAD) COMPUTER DATA LINES SYSTEM COOLANT HEATER CONTROL MODULE (CENTER REAR OF ENGINE COMPT BULKHEAD) COOLANT VALVE POS SENS SIG COOLING FAN SPD SIG DATA (+) (1) HI SPD GMLAN ENGINE CONTROL MODULE (BEHIND LEFT END OF FRONT FASCIA) ENGINE COOLANT RADIATOR TEMPERATURE SENSOR (LOWER RIGHT REAR OF RADIATOR) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF CYLINDER HEAD) FUSE FUSE HI SPD GMLAN DATA (-) (1) HI VOLT BATT (+) HYBRID/EV POWERTRAIN CONTROL MODULE 1 HYBRID/EV POWERTRAIN CONTROL MODULE 2 (RIGHT SIDE OF LUGGAGE COMPT) LOGIC LOW REF LOW SPD GMLAN SERIAL DATA LOW SPD SERIAL DATA LT BLU WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PASSENGER COMPARTMENT HEATER COOLANT CONTROL VALVE (CENTER OF ENGINE RED/GRY WIRE RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT SENS SIG VIO/BRN WIRE VIO/WHT WIRE WHT WIRE WHT/RED WIRE YEL/BLK WIRE YEL/LT BLU WIRE

1 2 3 INTR LP CTRL RR LICENSE LP SPLY VOLT BACKUP LP SPLY VOL 1 2 LR TURN SIG LP SPLY VOLT LF TURN SIG LP SPLY VOLT 2500 2501 COMPUTER DATA LINES SYSTEM 3264 3263 DOOR LOCKS, ANTI-THEFT SYSTEMS 3270 1969 28 INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM 6133 6134 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 6567 5054 EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM BLK/VIO WIRE BLU WIRE BODY CONTROL MODULE (RIGHT SIDE OF DASH) BRN WIRE BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE COURTESY LP SW SIG DOOR LOCKS SYSTEM DRV DR LCK MOTOR STATUS HDLP HI BEAM RLY CTRL HORN RLY CTRL ENDGATE LATCH RLY SPLY VOLT CRUISE/ETC/TCC BRAKE SIG GRY WIRE GRY/LT GRN WIRE HEADLIGHTS SYSTEM POWER DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM HI SPD GML SERL DATA (+) (1) HI SPD GML SERL DATA (-) (1) HOT AT ALL TIMES INTERCONNECT NETWORK BUS 2 INTERCONNECT NETWORK BUS 3 KEY CAPTURE/COLUMN LK SHIFT POSITION SIG LIFT GLASS/TRUNK INTERIOR RELEASE SIG LT BLU WIRE LT BLU/BRN WIRE LT BLU/WHT WIRE LT GATE AJAR SW SIG (1) PASSENGER DR LCK SW UNLK CTRL LT GRN WIRE LT GRN/BRN WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MIRRORS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM NON DRV DR UNLATCH ENABLE SIG POWER DISTRIBUTION SYSTEM RAP RELAY 2 COIL CTRL RED WIRE RED/GRY WIRE RED/LT GRN WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (RIGHT END OF DASH) INT LAMPS FUSE RR TURN LP FEEDBACK SIG INSTRUMENT PANEL LMP DIMM CTRL LO SPD GMLAN SERIAL DATA RR TURN LP FEEDBACK SIG SPORT MODE SW SIG RUN IGN 3 VOLT SEC SIREN RLY SEC SIREN RLY SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM TRN SIG LCKS FUSE TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM 1303 345 TRUNK, TAILGATE, FUEL DOORS SYSTEM CRUISE CONTROL SYSTEM 5706 6311 VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE

ACCELERATOR PEDAL POSITION SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK/BRN WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE ENGINE COOLANT FSCM FUSE FUEL/ ELCM FUSE GRY/LT BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES LT BLU/VIO WIRE LT GRN WIRE LT GRN/LT BLU WIRE LT GRN/WHT WIRE MASS AIR FLOW/ INTAKE AIR TEMPERATURE SENSOR (ON AIR FILTER HOUSING) NCA WIRE RADIATOR TEMPERATURE SENSOR (LOWER RIGHT REAR OF RADIATOR) REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/LT GRN WIRE RED/WHT WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/LT BLU WIRE YEL/WHT WIRE

"CHECK ENGINE" IND CTRL 5 CM FROM 5 VOLT REF 5-VOLT REF 1 5-VOLT REF 2 A/C PRESS SENS SIG ACC PEDAL POS SIG 1 ACC PEDAL POS SIG 2 AIR PUMP FUSE BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BREAKOUT) BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COIL CTRL COMPUTER DATA LINES SYSTEM COOLING FAN SPD SIG COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG ECM FUSE ECM FUSE EMIS FUSE ECM/TCM FUSE EMPTY FUSE ENGINE CONTROL MODULE (BEHIND LEFT END OF FRONT FASCIA) ENGINE CONTROLS IGNITION RELAY ENGINE MAIN RLY CTRL GRY/LT BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN COIL FUSE INJECTION SOLENOID VALVE BREAKOUT) LINES SYSTEM COMPUTER DATA LOW REF LOW REF (1) LOW REF 2 LT BLU WIRE LT BLU/BLK WIRE LT BLU/BRN WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/WHT WIRE MAS AIR FLOW SENS SIG MISC RUN/ CRNK/IP FUSE POWER DISTRIBUTION SYSTEM POWER INVERTER MODULE ASSEMBLY COVER CONNECTOR PRIMARY RLY CTRL PUMP CTRL RED/BRN WIRE RED/LT GRN WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SECONDARY AIR INJ SECONDARY AIR INJECTION PUMP RELAY (CALIFORNIA) SECONDARY AIR INJECTION SOLENOID VALVE RELAY (CALIFORNIA) SENS SIG SERIAL DATA (+) (3) SERIAL DATA (-) (1) TEMP SENS SIG TEMP SENS SIG 2 UNDERHOOD FUSE BLOCK VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WAKEUP SERIAL DATA 2 WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/WHT WIRE

5 VOLT REF AERO SHUTTER CTRL AUXILIARY UNDERHOOD FUSE BLOCK (LEFT REAR OF ENGINE COMPT) BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BREAKOUT) BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CHASSIS CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM FUEL PRESS SENS SIG FUEL PUMP RLY CTRL FUEL PUMP SPLY CTRL GRY WIRE GRY/LT BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES BATTERY FUSE BLOCK (ON BATTERY POSITIVE (+) FSCM FUSE POST) HYBRID SYSTEM CIRCUIT IGNITION COIL MODULE (TOP OF CYLINDER HEAD) LOW REF LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/YEL WIRE NCA WIRE RED/LT GRN WIRE RED/YEL WIRE RUN/CRAK IGN 1 VOLT SERIAL DATA (-) (1) SHIELD UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WHT WIRE WHT/BLK WIRE YEL/LT BLU WIRE YEL/WHT WIRE

A/C REFRIGERANT PRESSURE SENSOR (IN A/C HIGH PRESSURE LINE) BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BRN RED/ WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CRANKSHAFT POSITION SENSOR EXHAUST CAMSHAFT POSITION SENSOR FUEL LEVEL SENSOR FUEL PRESSURE SENSOR (RIGHT OF FUEL TANK, IN FUEL LINE) FUEL PUMP FUEL PUMP, LEVEL SENSOR ASSEMBLY (TOP OF FUEL TANK) GRY WIRE GRY/LT BLU WIRE GRY/WHT WIRE GRY/YEL WIRE INTAKE CAMSHAFT POSITION SENSOR (RIGHT FRONT OF CYLINDER HEAD) KNOCK SENSOR (MIDDLE RIGHT SIDE OF ENGINE BLOCK) LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/LT BLU WIRE LT GRN/YEL WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE WHT LT BLU/ WIRE WHT/BLK WIRE YEL BLK/ WIRE YEL/LT BLU WIRE YEL/VIO WIRE YEL/WHT WIRE