Chevrolet Cruze I facelift (2012-2015) serial data Wiring diagrams

1.4L 1.8L 1.8L 1.4L 46 30 ECT SENS SIG LO REF 5 VOLT REF A/C COMPR CLUTCH RLY COTL A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR TEMPERATURE SENSOR A/C REFRIGERANT PRESS SENS SIG LO REF A/C REFRIGERANT PRESSURE SENSOR A/C REFRIGERANT PRESSURE SENSOR (RIGHT RADIATOR SUPPORT) A/C REQUEST IND A/C REQUEST SWITCH A/C VENTILATING REQUEST FAN UP SWITCH SWITCH BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HI SPEED RELAY COOLING FAN LO SPEED RELAY COOLING FAN MEDIUM SPEED RELAY COOLING FAN MOTOR COOLING FAN RELAY COOLING FAN SPEED CONTROL RELAY COOLING TEMP SENS 2 SIG COOLING TEMP SENS 2 SIG COOLING TEMP SENS 2 SIG DEFROST DEFROST A/C LOWER LOWER REQUEST AIR OUTLET AIR OUTLET IND SWITCH IND DEFROST IND DEFROST SWITCH DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH DUCT LEFT LOWER AIR TEMPERATURE SENSOR DUCT LEFT UPPER AIR TEMPERATURE SENSOR ECT SENS SIG ENGINE CONTROL MODULE (ECM) (1.8L: LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 1 (REAR OF ENGINE) ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 2 (RIGHT SIDE OF RADIATOR) FUSE 42 FUSE 45 FUSE 46 FUSE 62 GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA BUS + HI SPD GMLAN SERIAL DATA BUS- HI SPD GMLAN SERIAL DATA BUS+ HOT AT ALL TIMES HVAC CONTROL SWITCH ASSEMBLY INSTRUMENT CLUSTER LO REF LOGIC LOGIC 26 16 32 SERIAL DATA GND B+ LOW SPD COOLING FAN RLY CTRL LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH LT GRN WIRE RECIR- CULATION DEFROST DEFROST SWITCH IND SWITCH RECIR- CULATION IND RECIR- CULATION SWITCH RECIR- VENTILATING CULATION FAN DOWN IND SWITCH RED/WHT WIRE RIGHT SIDE OF RADIATOR) SERIAL DATA TEMPERATURE CONTROL SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH UPPER, LOWER LOWER LOWER AIR AIR OUTLET AIR OUTLET OUTLET SWITCH SWITCH IND VENTILATING FAN DOWN SWITCH VENTILATING FAN UP SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

24 25 SERIAL DATA(-) SERIAL DATA(+) 29 43 SERIAL DATA(+) SERIAL DATA(-) AUTOMATIC TRANSMISSION ASSEMBLY (A/T) BACKUP LAMP SWITCH BACKUP LP CTRL BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (1.8L: LEFT SIDE OF ENGINE COMPT) FUSE 32 GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES INSIDE REARVIEW MIRROR INSIDE REARVIEW MIRROR (IF EQUIPPED) LEFT BACKUP LAMP M/T PARK/NEUTRAL SIG RED WIRE RED/VIO WIRE RIGHT BACKUP LAMP RW SW SIG SERIAL DATA SIG A SIG B SIG C SIG P TRANS- MISSION INTERNAL MODE SWITCH TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRY WIRE YEL WIRE

2 7 LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA 22 23 ACC WAKEUP SERIAL DATA SERIAL DATA COMM ENABLE 24 25 HI SPD GMLAN SERIAL DATA - HI SPD GMLAN SERIAL DATA + 4 3 INTERCONNECT BUS 9 LO SPD GMLAN SERIAL DATA ACC WAKEUP SERIAL DATA BLK WIRE BLU WIRE BLU/YEL WIRE BREAKOUT) BRN/WHT WIRE DATA LINK CONNECTOR DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) DRIVER WINDOW MOTOR DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH DRIVER'S DOOR FUSE 14 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) HVAC CONTROLS INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER CENTER CONSOLE) INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) INTERCONNECT BUS 1 INTERCONNECT BUS 3 INTERCONNECT BUS 4 INTERCONNECT BUS 9 KEYLESS ENTRY CONTROL MODULE KEYLESS ENTRY CONTROL MODULE (RIGHT KICK PANEL) LEFT REAR WINDOW SWITCH LEFT SIDE OBJECT SENSOR MODULE LO SPD GMLAN LO SPD GMLAN SERIAL DATA MULTI-AXIS ACCELERATION SENSOR MULTI-AXIS ACCELERATION SENSOR (UNDER CENTER CONSOLE) MULTIMEDIA PLAYER INTERFACE MODULE PASSENGER PRESENCE DETECTION MODULE PASSENGER PRESENCE DETECTION MODULE (UNDER FRONT OF PASSENGER'S SEAT) PASSENGER WINDOW SWITCH RADIO REAR PARKING ASSIST CONTROL MODULE REAR PARKING ASSIST CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) RED/BLU WIRE RIGHT REAR WINDOW SWITCH RIGHT SIDE OBJECT SENSOR MODULE SEAT HEATING CONTROL MODULE SEAT HEATING CONTROL MODULE (UNDER FRONT OF DRIVER'S SEAT) SERIAL DATA SERIAL DATA COMM ENABLE STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) STEERING COLUMN LOCK MODULE STEERING COLUMN LOCK MODULE (IF EQUIPPED) (UNDER LEFT SIDE OF DASH) SUNROOF CONTROL MODULE SUNROOF CONTROL MODULE (FRONT CENTER OF ROOF) VIO/YEL WIRE W/ AUDIO INTERFACE W/ EXPRESS UP/DOWN WINDOW WHT WIRE WHT/BLU WIRE

1.4L 1.4L 1.8L 1.8L 1.8L 1.4L 32 26 16 B+ SERIAL DATA 46 30 ECT SENS SIG LO REF BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HI SPEED RELAY COOLING FAN LO SPEED RELAY COOLING FAN MEDIUM SPEED RELAY COOLING FAN MOTOR COOLING FAN RELAY COOLING FAN SPEED CONTROL RELAY COOLING TEMP SENS 2 SIG ECT SENS SIG ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (1.8L: LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2 ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2 (RIGHT SIDE OF RADIATOR) ENGINE COOLANT TEMPERATURE GAUGE FUSE 21 FUSE 42 FUSE 45 FUSE 46 GRN WIRE GRN/VIO WIRE GRY WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LO REF LOGIC LOW SPD COOLING FAN RLY CTRL LT GRN WIRE RED/WHT WIRE RIGHT SIDE OF RADIATOR) SERIAL DATA UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 SERIAL DATA (-) SERIAL DATA (-) SERIAL DATA (+) SERIAL DATA (+) 1 2 GROUND BATT POS VOLT ANTI-LOCK BRAKES SYSTEM BATT POS VOLT BATTERY FUSE BLOCK BATTERY FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE (NEAR BRAKE MASTER CYLINDER) FUSE 3 GRN WIRE GRN/BRN WIRE GROUND HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LOGIC INSTRUMENT CLUSTER POWER STEERING CONTROL MODULE POWER STEERING CONTROL MODULE (REAR OF ENGINE COMPT, NEAR STEERING RACK) POWER STEERING MOTOR POWER STEERING SHAFT TORQUE SENSOR POWER STEERING SHAFT TORQUE SENSOR (BASE OF STEERING COLUMN, ON STEERING RACK) POWER STEERING WARNING LIGHT INDICATOR RED/WHT WIRE SENS RTN SENS SIG SENS SIG SENS RTN SERIAL DATA SERIAL DATA COMM SPLY VOLT STEERING WHEEL ANGLE SENSOR STRUT TOWER) WHT WIRE WHT/BLU WIRE

1 3 13 7 26 B+ B+ BRK APLY SPLY VOL BRK APLY SENS SIG HAZ SW SIG 12 24 HAZ SW LEFT TURN SIG HAZ SW RIGHT TURN SIG 24 25 SERIAL DATA(-) SERIAL DATA(+) 2501 2500 2240 13 5360 1717 COMPUTER DATA LINES SYSTEM 4 22 19 17 B+ HDLP SW PARK LPS SIG LOW REF HAZ SW TURN FLASHER CTRL BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE BRK APLY SENS SIG BRK APLY SPLY VOL COMPUTER DATA LINES SYSTEM CRUISE/ETC/TLC BRK SIG DK GRN WIRE FUSE 23 FUSE 24 FUSE 3 FUSE 31 FUSE 31 FUSE 32 FUSE 32 FUSE 52 FUSE BLOCK (BEHIND LEFT FUSE 3 END OF DASH) GMLAN GMLAN LO SPD GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/YEL WIRE HAZ SW LEFT TURN SIG HAZ SW RIGHT TURN SIG HAZ SW SIG HAZ SW TURN FLASHER CTRL HDLP SW PARK LPS SIG HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INSTRUMENT CLUSTER INSTRUMENT PANEL INSTRUMENT PANEL FUSE BLOCK LEFT FRONT SIDE MARKER LAMP LEFT PARK LP CTRL LEFT PARK/ TURN SIGNAL LAMP LEFT TURN IND LF TURN SIG LP CTRL LO SPD LOGIC LOW REF LR STOP LP SPLY VOL LR TURN SIG LP CTRL PARK LAMPS IND REAR LICENSE LP CTRL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RF TURN SIG LP CTRL RIGHT FRONT SIDE MARKER LAMP RIGHT PARK LP CTRL RIGHT PARK/ TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT REAR TURN SIGNAL LAMP RIGHT TAIL/ STOP LAMP RIGHT TURN IND RR STOP LP SPLY VOL RR TURN SIG LP CTRL SER DATA SERIAL DATA STOP LP RLY COIL CTRL UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

5 VOLT REF AUTO BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SENSOR BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK PDL POS SENS SIG CENTER HIGH MOUNTED STOP LAMP COMPUTER DATA LINES SYSTEM CRUISE/ETC/ TLC BRK SIG ENGINE CONTROL MODULE (BCM) ENGINE CONTROL MODULE (BCM) (1.8L: LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HEAD HEAD PARK HEADLAMP SWITCH LEFT LICENSE PLATE LAMP LEFT REAR SIDE MARKER LAMP LEFT REAR TURN SIGNAL LAMP LEFT TAIL LAMP LEFT TAIL/ STOP LAMP LOW REF M/T A/T OFF PARK REAR COMPARTMENT LID UNLATCH SWITCH) RED WIRE RIGHT LICENSE PLATE LAMP RIGHT TAIL LAMP SERIAL DATA TURN SIGNAL/ MULTI-FUNCTION SWITCH VIO/BLU WIRE VIO/GRY WIRE VIO/WHT WIRE W/ REARVIEW CAMERA W/O REARVIEW CAMERA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 21 22 NETWORK BUS 4 SERIAL DATA 64 27 FUEL LVL SENS SIG LOW REF BLK WIRE BLK/GRN WIRE BLU/VIO WIRE BODY CONTROL MODULE (UNDER CENTER DASH) BRAKE FLUID LEVEL SWITCH BRAKE FLUID LEVEL SWITCH (MASTER CYLINDER ASSEMBLY) BRK FLUID LVL COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 5986 333 DRIVER DOOR LATCH DRIVER DOOR LATCH (CENTER REAR OF DRIVER DOOR) DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH ELECTRONIC BRAKE CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE (NEAR BRAKE MASTER CYLINDER) ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (1.8L: LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SWITCH FUEL LVL SENS SIG FUEL PUMP, SENSOR ASSEMBLY FUEL PUMP, SENSOR ASSEMBLY (IN FUEL TANK) GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE LEFT REAR DOOR LATCH LEFT REAR DOOR LATCH (CENTER REAR OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOOR AJAR SW SIG LIFT GATE AJAR SW SIG LOW REF LR DOOR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 OIL PRESS SW SIG PARK BRAKE SW SIG PARK BRAKE SWITCH PASSENGER DOOR LATCH PASSENGER DOOR LATCH (CENTER REAR OF FRONT PASSENGER'S DOOR) PASSENGER WINDOW SWITCH REAR COMPARTMENT LID LATCH RED/GRY WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH RIGHT REAR DOOR LATCH (CENTER REAR OF RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DOOR AJAR SW SIG SERIAL DATA SERIAL DATA BRK FLUID LVL VIO/GRY WIRE VIO/YEL WIRE W/ EXPRESS UP/DOWN W/O EXPRESS UP/DOWN WHT/BLU WIRE YEL/BLU WIRE

1.4L 1.8L 1.8L 1.4L 12 13 26 43 29 A/C REFRIGERANT PRESS SENS SIG LO REF 5-VOLT REF 46 30 ECT SENS SIG LO REF 5 VOLT REF A/C A/C RECIR- REQUEST REQUEST CULATION SWITCH IND SWITCH A/C COMPR CLUTCH RLY COTL A/C COMPRESSOR CLUTCH RELAY A/C EVAPORATOR TEMPERATURE SENSOR A/C REFRIGERANT PRESS SENS SIG LO REF A/C REFRIGERANT PRESSURE SENSOR A/C REFRIGERANT PRESSURE SENSOR (RIGHT RADIATOR SUPPORT) A/C REQUEST IND A/C REQUEST SWITCH BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FAN HI SPEED RELAY COOLING FAN LO SPEED RELAY COOLING FAN MEDIUM SPEED RELAY COOLING FAN MOTOR COOLING FAN RELAY COOLING FAN SPEED CONTROL RELAY COOLING TEMP SENS 2 SIG COOLING TEMP SENS 2 SIG COOLING TEMP SENS 2 SIG DEFROST DEFROST LOWER LOWER AIR OUTLET AIR OUTLET SWITCH IND DEFROST IND DEFROST SWITCH DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH DK BLU/BRN WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (1.8L: LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 (REAR OF ENGINE) ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 2 (RIGHT SIDE OF RADIATOR) FUSE 42 FUSE 45 FUSE 46 FUSE 62 GRN WIRE GRN/VIO WIRE GRY WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA BUS- HI SPD GMLAN SERIAL DATA BUS+ HOT AT ALL TIMES HVAC CONTROL SWITCH ASSEMBLY INSTRUMENT CLUSTER LO REF LOGIC LOGIC 26 16 32 SERIAL DATA GND B+ LOW SPD COOLING FAN RLY CTRL LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH LOWER UPPER AIR AIR OUTLET OUTLET SWITCH IND LT GRN WIRE LT GRN/YEL WIRE RECIR- CULATION DEFROST DEFROST IND IND SWITCH RECIR- CULATION IND RECIR- CULATION SWITCH RED/WHT WIRE RIGHT SIDE OF RADIATOR) SERIAL DATA TEMPERATURE CONTROL SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH UPPER, LOWER AIR OUTLET IND UPPER, LOWER AIR OUTLET SWITCH UPPER, LOWER LOWER AIR AIR OUTLET OUTLET SWITCH IND VENTILATING FAN DOWN SWITCH VENTILATING FAN UP SWITCH VENTILATING VENTILATING FAN DOWN FAN UP SWITCH SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

24 25 SERIAL DATA(-) SERIAL DATA(+) 3 2 1 IMMOBILIZER SPLY VOL NETWORK BUS 11 IMMOBILIZER RET BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER CENTER DASH) BRN/GRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES 2501 2500 SYSTEM COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (1.8L: LEFT SIDE OF ENGINE COMPT) FUSE 3 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) IMMOBILIZER CONTROL MODULE (NEAR IGNITION CYLINDER) IMMOBILIZER RET IMMOBILIZER SPLY VOL INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LO SPD SERIAL DATA LOGIC NETWORK BUS 11 RED/BLU WIRE SECURITY INDICATOR SERIAL DATA SYSTEM W/ KEYLESS ENTRY WHT WIRE