Chevrolet Cruze I facelift (2012-2015) computer data lines system Wiring diagrams

8 7 6 5 4 3 2 1 GROUND SERIAL DATA BATT POS VOLT BATT POS VOLT LED SIGNAL (1) BATT POS VOLT LED SIGNAL (1) GROUND BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REARVIEW MIRROR FUSE 5 GRN WIRE GROUND GROUND SERIAL DATA GRY WIRE GRY/YEL WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LED SIGNAL (1) LOGIC LEFT SIDE OBJECT SENSOR MODULE LOGIC RIGHT SIDE OBJECT SENSOR MODULE PASSENGER OUTSIDE REARVIEW MIRROR RED/GRN WIRE SERIAL DATA

2 7 PWR CTRL TRUNK LP CTRL 24 25 SERIAL DATA(-) SERIAL DATA(+) 4 3 B+ B+ AIR BAG DISABLE BLK WIRE BODY CONTROL MODULE (UNDER CENTER DASH) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM NETWORK BUS 3 DK BLU WIRE DOOR DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LATCH ASSEMBLY (CENTER REAR OF DRIVER DOOR) DRIVER WINDOW MOTOR (DRIVER'S DOOR) DRIVER WINDOW SWITCH FRONT DOME/ READING LAMPS FUSE 24 FUSE 31 FUSE 32 FUSE 54 GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INDICATOR INSTRUMENT PANEL COMPARTMENT LAMP INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) INTR LP CTRL INTR LP DEFEAT SW SIG LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR DOOR LATCH ASSEMBLY (CENTER REAR OF LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LEFT SUNSHADE (IF EQUIPPED) LF DOOR AJAR SW SIG LOAD 1 SPLY VOL LOGIC LOGIC COMPUTER DATA LINES SYSTEM NETWORK BUS 3 LOGIC COMPUTER DATA LINES SYSTEM NETWORK BUS 4 LOGIC PASSENGER WINDOW SWITCH LOGIC RIGHT REAR WINDOW SWITCH LOGIC W/ EXPRESS UP/DOWN LF DOOR AJAR SW SIG LR DOOR AJAR SW SIG MIDDLE DOME/ READING LAMPS NETWORK 3 NETWORK BUS 3 NETWORK BUS 4 PASSENGER PASSENGER AIR BAG DISABLE INDICATOR PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LATCH ASSEMBLY (CENTER REAR OF FRONT PASSENGER'S DOOR) POWER DISTRIBUTION SYSTEM PWR CTRL REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID LATCH RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RF DOOR AJAR SW SIG RIGHT REAR DOOR LATCH ASSEMBLY (CENTER REAR OF RIGHT REAR DOOR) RIGHT SUNSHADE (IF EQUIPPED) SERIAL DATA STRUT TOWER) TRUNK LP CTRL UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT VIO/GRY WIRE VIO/WHT WIRE W/ EXPRESS UP/DOWN W/O EXPRESS UP/DOWN W/O EXPRESS UP/DOWN LF DOOR AJAR SW SIG WHT WIRE WHT/BRN WIRE

"CHECK ENGINE" IND CTRL ABS IND. AIR BAG IND AMBIENT AIR TEMPERATURE SENSOR AMBIENT AIR TEMPERATURE SENSOR (LEFT SIDE OF LEFT FOGLIGHT) BATT POSITIVE VOLT BATT POSITIVE VOLT IGN VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLU/GRY WIRE BRAKE IND BRN/WHT WIRE CHARGING IND CHECK ENGINE IND CTRL WAIT TO START IND CTRL COMPUTER DATA LINES SYSTEM CRUISE IND DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER INFORMATION CENTER SELECT MENU SW SIG DRIVER INFORMATION CENTER SW SIG DRL IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ESC OFF IND FOG LAMPS IND FUEL GAUGE FUSE 21 FUSE 23 FUSE 23 FUSE 52 GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HIGH BEAM IND HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK FUSE 21 (BEHIND LEFT END OF DASH) HOT W/ IGNITION MAIN RELAY ENERGIZED IGN VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT TURN IND LIGHTS ON IND LO REF LO SPD GMLAN SERIAL DATA LOGIC LOW FUEL WARNING LAMP IND LOW TIRE PRESSURE IND MALFUNCTION IND MASTER LIGHTING SW IND MENU OUTSIDE AMBIENT AIR TEMP SENSOR SIGNAL OUTSIDE AMBIENT TEMP SENS LO REF PARK LAMPS IND PARKING ASSIST IND POWER STEERING WARNING LIGHT IND RED/GRY WIRE RED/WHT WIRE REDUCED ENGINE POWER IND RIGHT TURN IND SEAT BELT IND SECURITY IND SET- SPEEDOMETER STRUT TOWER) TACHOMETER TCS OFF IND TCS/ESC IND TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT VIO/WHT WIRE WAIT TO START IND CTRL

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

6 SPEED A/T BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DRIVER DOOR LOCK SWITCH DRIVER LOGIC WINDOW SWITCH DRIVER TRACTION DOOR LOCK SWITCH CONTROL SWITCH DRIVER WINDOW SWITCH ENGINE START) FUSE 23 GRN WIRE GRN/GRY WIRE GRN/YEL WIRE HDLP SW PRK LP SIG HEAD HEADLAMP SWITCH HOT AT ALL TIMES IGNATION MODE SWITCH (W/ KEYLESS IGNITION MODE SWITCH ILLUMINATION INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LED BACKLIGHT DIMMING CTRL LEFT REAR LOGIC WINDOW SWITCH LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH LIGHTING CTRL SW REF LIGHTING CTRL SW SIG LOGIC LOW SPD GMLAN SERIAL DATA NETWORK 3 OFF AUTO OFF AUTO PARK HEAD OUTSIDE REARVIEW MIRROR SWITCH PARK PASSENGER LOGIC WINDOW SWITCH PASSENGER WINDOW SWITCH RED/GRY WIRE RIGHT REAR WINDOW SWITCH RIGHT REAR WINDOW SWITCH LOGIC RIGHT STEERING WHEEL CONTROL SWITCH STEERING WHEEL AIR BAG COIL SUNROOF SWITCH SUNROOF TILT SWITCH TRACTION CONTROL SWITCH TRANSMISSION SHIFT LEVER POSITION INDICATOR W/ CRUISE CONTROL W/ KEYLESS ENGINE START WHT/BRN WIRE WHT/RED WIRE YEL WIRE

AUX AUDIO (2) AUX AUDIO SIG AUX DETECTION SIG AUX DRAIN WIRE AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER CENTER DASH) BRN WIRE COAX COMM SIG COMPUTER DATA LINES SYSTEM FUSE 35 FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HEADLAMP SWITCH HOT AT ALL TIMES LEFT AUX SIG (2) LEFT AUX SIG (3) LEFT STEERING WHEEL CONTROLS SWITCH LEFT SUBWOOFER SPEAKER MULTIMEDIA PLAYER INTERFACE MODULE MUTE NCA WIRE RED/GRN WIRE RED/WHT WIRE RIGHT AUX SIG (2) RIGHT AUX SIG (3) RIGHT STEERING WHEEL CONTROLS SWITCH (IF EQUIPPED) RIGHT SUBWOOFER SPEAKER SEEK SEEK UP DOWN STEERING WHEEL AIR BAG COIL STEERING WHEEL SIG SW REF UNDERHOOD USB CABLE VIO WIRE VOICE W/ AUDIO INTERFACE W/O AUDIO INTERFACE WHT/RED WIRE YEL WIRE

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 AMPLIFIER CTRL 8 7 6 5 4 3 2 1 GND AMPLIFIER CTRL AUDIO AMPLIFIER (RIGHT SIDE OF LUGGAGE COMPT) AUDIO SIG (3) AUX AUDIO SCREEN AUX DET SIG BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER STACK HIGH COAX COMPUTER DATA LINES SYSTEM FRT CENTER SPK (+) FUSE 4 GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL CENTER SPEAKER INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LEFT AUX SIG LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF DRAIN WIRE LF LO LVL SIG LF LO LVL SIG LF LO LVL (-) FRT LO LVL (-) RF LO LVL SIG REMOTE ENABLE LO REF LOW LVL SIG (-) LR DRAIN WIRE LR LO LVL SIG LR SPK SIG (-) LR SPK (+) LF SPK SIG (-) LF SPK (+) NCA WIRE ORG/BLU WIRE ORG/VIO WIRE RADIO RED/GRN WIRE RED/WHT WIRE REMOTE ENABLE SIG RF LO LVL SIG RF SPK SIG (-) RF SPK (+) RR SPK (+) RIGHT AUX SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT SPEAKER (-) B+ LEFT SPEAKER (+) LEFT SPEAKER (-) RIGHT SPEAKER (+) RR LO LVL SIG RR LO LVL SIG RR LO LVL (-) LR LO LVL (-) LR LO LVL SIG RR SPK SIG (-) FRT CENTER SPK (-) STACK LOW STACK RESET SIG STACK SHIELD TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) USB CABLE VIO WIRE VIO/BLU WIRE VOICE SIG VOICE SIGNAL LOW REF DRAIN WIRE VOICE SIGNAL LOW REF DRAIN WIRE 2 8 W/ NAVIGATION WAKE UP SIG WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AUX AUDIO (2) AUX AUDIO SIG AUX DETECTION SIG AUX DRAIN WIRE AUXILIARY AUDIO INPUT BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (UNDER CENTER DASH) BRN WIRE COAX COMM ON SIG COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HEADLAMP SWITCH LEFT AUX SIG (2) LEFT AUX SIG (3) LEFT STEERING WHEEL CONTROLS SWITCH MULTIMEDIA PLAYER INTERFACE MODULE NCA WIRE RED/GRN WIRE RIGHT AUX SIG (2) RIGHT AUX SIG (3) RIGHT STEERING WHEEL CONTROLS SWITCH (IF EQUIPPED) SEEK SEEK UP DOWN STEERING WHEEL AIR BAG COIL STEERING WHEEL SIG SW REF USB CABLE VIO WIRE VOICE MUTE W/ AUDIO INTERFACE W/ AUDIO INTERFACE (SHIELD BLUNT CUT) W/O AUDIO INTERFACE WHT/RED WIRE YEL WIRE

AUDIO SIG (3) AUX AUDIO SCREEN AUX DET SIG BATT POS VOLT BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE CENTER STACK HIGH COAX COMPUTER DATA LINES SYSTEM ENABLE SIG FUSE 4 GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/YEL WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LEFT AUX SIG LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (+) LF SPEAKER SIG (-) LO REF LR SPEAKER (+) LR SPEAKER SIG (-) NCA WIRE RADIO RED/GRN WIRE RF SPEAKER (+) RF SPEAKER SIG (-) RIGHT AUX SIG RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RR SPEAKER (+) RR SPEAKER SIG (-) STACK LOW STACK RESET SIG STACK SHIELD TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) USB CABLE VIO WIRE VOICE SIG VOICE SIGNAL LOW REF DRAIN WIRE VOICE SIGNAL LOW REF DRAIN WIRE 2 8 W/ NAVIGATION WAKE UP SIG WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 BATT POSITIVE VOLT BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FUSE 5 FUSE 52 GND LOW SPEED GMLAN SERIAL DATA GRN WIRE GROUND HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LEFT MIDDLE REAR OBJECT SENSOR LEFT MIDDLE REAR OBJECT SENSOR (BEHIND LEFT MIDDLE OF REAR BUMPER) LEFT OUTER REAR OBJECT SENSOR LEFT OUTER REAR OBJECT SENSOR (BEHIND LEFT SIDE OF REAR BUMPER) LO SPD GMLAN SER DATA LO SPD GMLAN SER DATA GROUND LOGIC LR CORNER OBJ SENS SIG LR MIDDLE OBJ SENS SIG OBJ SENS CTRL OBJ SENS LOW REF PARKING ASSIST IND REAR PARKING ASSIST CONTROL MODULE REAR PARKING ASSIST CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RED/GRN WIRE RIGHT MIDDLE REAR OBJECT SENSOR RIGHT MIDDLE REAR OBJECT SENSOR (BEHIND RIGHT MIDDLE OF REAR BUMPER) RIGHT OUTER REAR OBJECT SENSOR RIGHT OUTER REAR OBJECT SENSOR (BEHIND RIGHT SIDE OF REAR BUMPER) RR CORNER OBJ SENS SIG RR MIDDLE OBJ SENS SIG UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) VIO WIRE VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE