Cadillac ELR I (2013-2015) low ref Wiring diagrams

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

ACCESS WAKUP SRL DATA B+ VOLT BLK WIRE BLK/BRN WIRE BREAKOUT) COMPUTER DATA LINES SYSTEM COOL FAN LT FUSE COOL FAN RT FUSE COOLING FAN CTRL SIG COOLING FAN SPD SIG COOLING FAN SPD SIG COOLANT TEMP SENS SIG CTRL SIG ENGINE CONTROL MODULE (BEHIND LEFT END OF FRONT FASCIA) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF CYLINDER HEAD) GRN WIRE HOT AT ALL TIMES HYBRID/EV POWERTRAIN CONTROL MODULE 2 (RIGHT SIDE OF LUGGAGE COMPT) LEFT COOLING FAN MOTOR (BEHIND RADIATOR) LOW REF LOW SPD SERIAL DATA LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE RED WIRE RED/LT BLU WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (BEHIND RADIATOR) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

11 4 6 CHMSL SPLY VOLT RR TURN SIG SPLY VOLT PARK LP SPLY VOLT 12 2 BRAKE SIG LF TURN SIG SPLY VOLT 13 7 1 22 SENS SPLY VOLT SENS SIG BATTERY POSITIVE VOLT 19 5 FEEDBACK SIG PARK LP SPLY VOLT 2 21 REAR LP SPLY VOLT FEEDBACK SIG 24 12 RF TURN SW SIG LF TURN SW SIG 3 25 RF TURN SIG SPLY VOLT FEEDBACK SIG BCM BATT 1 FUSE BLK WIRE BLK/BRN WIRE BODY CONTROL MODULE (BCM) (RIGHT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FEEDBACK SIG HAZARD SW SIG HAZARD SWITCH HEAD HOT AT ALL TIMES INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 LEFT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR TURN SIGNAL LAMP LEFT STOP LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LOGIC LOW REF LR TURN SIG SPLY VOLT LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/GRY WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE PARK AUTO OFF PARK LAMP SIG RED/BRN WIRE RIGHT RIGHT REAR TURN SIGNAL LAMP RIGHT STOP LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BRN WIRE

B+ VOLT BLK WIRE BLK/YEL WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN (UNDER LEFT FRONT OF STORAGE COMPT FLOOR PANEL) ELEC PUMP FUSE FAN CTRL FAN ENABLE FAN FEED- BACK SIG HOT AT ALL TIMES HOT AT ALL TIMES APM FAN FUSE HYBRID/EV POWERTRAIN CONTROL MODULE 2 (RIGHT SIDE OF LUGGAGE COMPT) LOW REF LOW SPD SERIAL DATA LT GRN WIRE LT GRN/VIO WIRE MTR CTRL MTR ENABLE MTR FEED- BACK SIG REAR BODY FUSE BLOCK (LEFT SIDE OF LUGGAGE COMPT) RED/BRN WIRE RED/LT BLU WIRE SENS SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/LT BLU WIRE YEL/GRY WIRE YEL/LT GRN 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

5 VOLT REF LOW REF BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT PHASER EXHAUST SOL 1 CAMSHAFT PHASER INTAKE SOL 1 CAMSHAFT POS EXHAUST SENS 1 CAMSHAFT POS INTAKE SENS 1 ENGINE CONTROL MODULE (BEHIND LEFT END OF FRONT FASCIA) ENGINE COOLANT THERMOSTAT HEATER (ON ENGINE COOLANT INTAKE HOUSING) ENGINE OIL PRESSURE SWITCH (LEFT FRONT SIDE OF ENGINE BLOCK) EXHAUST SENS SPLY VOLT 1 GROUND GRY/LT BLU WIRE GRY/WHT WIRE GRY/YEL WIRE IGN CTRL (2) IGN CTRL (4) INTAKE SENS SPLY VOLT 1 KNOCK SENS SIG 1 LOW REF LOW REF (1) LOW REF LOW REF 1 LT BLU WIRE LT BLU/VIO WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/LT BLU WIRE LT GRN/YEL WIRE POWERTRAIN MAIN RLY FUSED SPLY 1 LOW REF LOW REF OIL PRESSURE SW SIG THROTTLE BODY (RIGHT FRONT OF ENGINE) THROTTLE POS SENSOR SIG 1 THROTTLE POS SENSOR SIG 2 VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE WHT/BLK WIRE YEL WIRE YEL/LT BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM TO HYBRID/EV BATTERY PACK (DIAGRAM 5 OF 13) AMBIENT AIR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF FRONT FASCIA LOWER GRILLE) AMBIENT SENS LO REF BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BRN WIRE BRN/LT GRN WIRE BUS HIGH SERIAL DATA BUS LOW SERIAL DATA COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DRIVER OUTSIDE REARVIEW MIRROR DRIVER OUTSIDE REARVIEW MIRROR LAMPS ASSEMBLY FUEL DOOR OPEN SIG FUEL DOOR RELEASE SW SIG GRY/LT BLU WIRE GRY/VIO WIRE GRY/WHT WIRE HIGH REF 5 VOLT REF 5 VOLT REF LOW REF 2 HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VICM BATT FUSE HYBRID/EV BATTERY PACK COOLANT CONTROL VALVE (FRONT OF HYBRID/ EV BATTERY PACK) HYBRID/EV POWERTRAIN CONTROL MODULE 2 (RIGHT SIDE OF LUGGAGE COMPT) INTERLOCK LOOP SIG 1 LOGIC LOOP SIG 2 LOW PRESS SENS SIG LEVEL INDICATOR CTRL LOW REF LOW REF LOW REF (1) LOW REF COOLANT VALVE SENS SIG FUEL DOOR STATUS SIG HOOD OPEN SWITCH SIG LOW REF HVAC MODE SENS SIG AMBIENT SENS SIG COOLANT TEMP SENS SIG LT BLU WIRE LT BLU/BLK WIRE LT BLU/LT GRN WIRE LT BLU/RED WIRE LT BLU/VIO WIRE LT BLU/YEL WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE PASSENGER OUTSIDE REARVIEW MIRROR POWER INVERTER MODULE ASSEMBLY CABLE COVER PWM SIG BATT 1 (+) RLY CTRL BATT 2 (+) RLY CTRL RED/LT BLU WIRE SERIAL DATA (+) 1 SERIAL DATA (-) 1 SERIAL DATA (+) 3 SERIAL DATA (-) 3 TO HYBRID/EV BATTERY PACK (DIAGRAM 5 OF 13) TO HYBRID/EV BATTERY PACK (DIAGRAM 8 OF 13) TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM ANTI-THEFT SYSTEM VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT WIRE WHT/BRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL VIO/ WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

BATTERY ENERGY CONTROL MODULE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE FROM HYBRID/EV BATTERY BATTERY MODULE 6 (DIAGRAM 11 OF 13) GRY/RED WIRE HIGH 2 SERIAL DATA HIGH VOLT FAULT SIG HIGH VOLT FAULT SIG LOW REF LOW 2 SERIAL DATA HIGH 2 SERIAL DATA HYBRID BATTERY INTERFACE CONTROL MODULE 4 HYBRID/EV BATTERY INTERFACE CONTROL MODULE 1 HYBRID/EV BATTERY INTERFACE CONTROL MODULE 2 HYBRID/EV BATTERY INTERFACE CONTROL MODULE 3 HYBRID/EV BATTERY PACK CURRENT SENSOR LOW 2 SERIAL DATA LOW REF LT BLU WIRE LT BLU/GRY WIRE LT BLU/YEL WIRE LT GRN/BRN WIRE NCA WIRE SIG GND TO HYBRID/EV BATTERY MODULE 7 (DIAGRAM 12 OF 13) VIO/RED WIRE WHT WIRE