Chevrolet Cruze I facelift (2012-2015) engine control module Wiring diagrams

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

43 29 HIGH SPEED SERIAL DATA(-) HIGH SPEED SERIAL DATA(+) BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY FUSE BLOCK FUSE 6 (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) BLK WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BODY CONTROL MODULE (UNDER CENTER DASH) BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CURRENT SENSOR SIG CURRENT SENSOR SUPPLY VOLTAGE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (1.8L: LEFT SIDE OF ENGINE COMPT) FUSE 6 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE HIGH SPEED SERIAL DATA(+) INSTRUMENT CLUSTER LOGIC LOW REF LOW SPD GMLAN SERIAL DATA RED/GRN WIRE RED/YEL WIRE STARTER MOTOR SYSTEM WHT WIRE WHT/YEL WIRE

22 58 38 19 35 55 LOW REF CLH APP SENS SIG 22 58 38 LOW REF BRK POS SENS SIG 23 24 HS GMLAN - HS GMLAN + 28 13 PRTN MN RLY F SPY 1 PRTN MN RLY F SPY 1 33 29 43 24 10 38 16 2 30 CRSE/ETC/TCC BRK SIG HS GMLAN + HS GMLAN - 5 VOLT REF A/T M/T ACC PDL POS SIG ACC PDL POS SIG 2 ACC PDL POS SIG 2 LOW REF ACC PDL POS SIG LOW REF ACCELERATOR PEDAL POSITION SENSOR ACCELERATOR PEDAL POSITION SENSOR (NEAR ACCELERATOR PEDAL BRACKET) ADAPT CRUISE CTRL GAP UP/DN SW SIG AUTOMATIC TRANSMISSION ASSEMBLY (A/T) BATT POSITIVE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER DASH) BRAKE PEDAL POSITION SENSOR BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK APPLY SENS SPLY VOLT BRK POS SENS SIG BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CLH APP SENS SIG CLH APP SENS VOL REF CLH APP SENS VOL REF 5 VOLT REF 5 VOLT REF OUTPUT SPD SIG CLUTCH PEDAL POSITION SENSOR CLUTCH PEDAL POSITION SENSOR (M/T) (TOP OF CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRSE/ETC/TCC BRK SIG CRUISE IND CRUISE SWITCH CRUISE SWITCH LEFT STEERING WHEEL CONTROL SWITCH CRUISE/ETC/TCC BRK SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (1.8L: LEFT SIDE OF ENGINE COMPT) FUSE 10 FUSE 31 FUSE 52 GRN WIRE GRN/WHT WIRE GROUND GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED HS GMLAN - IGN INSTRUMENT CLUSTER LEFT STEERING WHEEL CONTROL SWITCH LIGHT CTRL SW REF LOGIC LOW REF LT GRN/WHT WIRE OUTPUT SPD SIG PRTN MN RLY F SPY 1 RED/BLU WIRE RED/WHT WIRE RES+ SER DATA SET- SOUND SYSTEMS STEERING WHEEL AIR BAG COIL THROTTLE BODY (ON INTAKE MANIFOLD ASSEMBLY) THRTL ACTR CTRL CLOS THRTL ACTR CTRL OPEN THRTL POS SENS SIG 1 THRTL POS SENS SIG 2 TRANSMISSION CONTROL MODULE TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR (M/T) (TOP OF TRANSAXLE) VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

1.8L A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/T ACTIVE GRILL AIR SHUTTER ACTUATOR AIR QUALITY SENSOR AUTOMATIC A/C AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LAMP SWITCH BATTERY BATTERY SAVER RELAY 1 BLK WIRE BODY CONTROL MODULE BRAKE BOOSTER ELECTRONIC PUMP BRAKE MOTOR CONTROL RELAY MODULE BRAKE BOOSTER PUMP MOTOR RELAY BRN WIRE CONTROL SOLENOID VALVE ASSEMBLY COOLING COOLING FAN MOTOR COOLING FAN MOTOR BATTERY SAVER RELAY 1 COOLING FAN RELAY DATA LINK CONNECTOR DOOR DEAD LOCK RELAY DOOR IGNITION DEAD MAIN FAN LOCK RELAY RELAY RELAY ELECTRONIC BRAKE CONTROL MODULE ENGINE ENGINE CONTROL MODULE HEADLAMP SWITCH HOOD AJAR SWITCH HORN IGNITION COIL MODULE IGNITION MAIN RELAY IGNITION MODE SWITCH INSTRUMENT CLUSTER INSTRUMENT HEADLAMP CLUSTER SWITCH INTAKE MANIFOLD TUNING SOLENOID VALVE LEFT FRONT FOG LAMP LEFT FRONT SIDE MARKER LAMP LEFT HEADLAMP LEFT PARK/TURN SIGNAL LAMP M/T MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE POWER STEERING CONTROL MODULE REAR COMPARTMENT LID RELEASE RELAY REAR DEFO- GGER RELAY REAR WINSHIELD DEFO- WASHER GGER PUMP RELAY RELAY RETAINED ACCESSORY POWER RELAY RIGHT FRONT FOG LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT HEAD- LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT QUALITY HEAD SENSOR LAMP RIGHT RIGHT FRONT PARK/TURN FOG LAMP SIGNAL LAMP SECONDARY AIR INJECTION PRESSURE SENSOR SECONDARY AIR INJECTION PUMP STEERING COLUMN LOCK CONTROL MODULE UNDERHOOD FUSE BLOCK STARTER RELAY W/ KEYLESS ENTRY W/ REMOTE W/ REMOTE START ENGINE WHT WIRE WINDSHIELD WASHER PUMP WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER MOTOR WINDSHIELD WIPER SPEED CONTROL RELAY WINSHIELD WIPER RELAY WINSHIELD WIPER SPEED CONTROL RELAY YEL 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

1.4L 1.4L 1.8L 1.8L 40 16 1 2 (1.4L) (1.8L) (1.4L) (1.8L) A/C COMPRESSOR CLUTCH RELAY A/T AUDIO AMPLIFIER AUDIO AMPLIFIER (W/ AMPLIFIER) AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION ASSEMBLY (A/T) BATTERY BATTERY FUSE BLOCK BATTERY FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) BLU WIRE BODY CONTROL MODULE BRAKE BOOSTER PUMP MOTOR RELAY BRN WIRE CONTROL SOLENOID VALVE ASSEMBLY COOLING FAN HIGH SPEED RELAY DK BLU WIRE DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH DRIVER WINDOW SWITCH (IF EQUIPPED) ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT THERMOSTAT HEATER ENGINE ENGINE CONTROL COOLANT MODULE THERMOSTAT HEATER EVAPORATIVE EMISSION PURGE SOLENOID VALVE FRONT FOG LAMP RELAY FUEL PUMP CONTROL MODULE FUSE FUSE 1 FUSE 2 FUSE 21 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 3 FUSE 30 FUSE 31 FUSE 32 FUSE 33 FUSE 34 FUSE 35 FUSE 45 FUSE 47 FUSE 48 FUSE 5 FUSE 55 FUSE 59 FUSE 6 FUSE 62 FUSE 64 FUSE 67 FUSE 69 FUSE 70 FUSE FUSE GENERATOR GRN WIRE GRY WIRE HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 2 INTAKE MANIFOLD TUNING SOLENOID VALVE KEYLESS ENTRY CONTROL MODULE KEYLESS ENTRY CONTROL MODULE (W/ REMOTE ENTRY LOCK CONTROL) LEFT FRONT FOG LAMP LEFT REAR WINDOW SWITCH NCA WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER PRESENCE DETECTION MODULE PASSENGER WINDOW SWITCH PASSENGER WINDOW SWITCH DRIVER WINDOW SWITCH POWER STEERING CONTROL MODULE RED WIRE RED/GRN WIRE RIGHT FRONT FOG LAMP RIGHT REAR WINDOW SWITCH SEAT HEATING CONTROL MODULE SECONDARY AIR INJECTION PUMP RELAY STARTER MOTOR STARTER POWER MOTOR STEERING CONTROL MODULE SUNROOF CONTROL MODULE SUNROOF CONTROL MODULE (IF EQUIPPED) TO FUSE 1 (DIAGRAM 3 OF 4) TO FUSE 1 (DIAGRAM 3 OF 4) FUSE FUSE TO FUSE 9 (DIAGRAM 2 OF 4) TO HORN RELAY (DIAGRAM 2 OF 4) TRANSMISSION CONTROL MODULE TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER BYPASS SOLENOID VALVE (1.4L) TURBOCHARGER WASTEGATE SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE (1.4L) VIO WIRE W/ AMPLIFIER W/ EXPRESS UP/DOWN WINDOW W/ FRONT SEAT HEATER W/O EXPRESS UP/DOWN WINDOW WHT WIRE YEL WIRE

1.4L 1.8L 1.8L (VING) A/T ACTIVE GRILLE AIR SHUTTER ACTUATOR ACTIVE GRILLE AIR SHUTTER ACTUATOR (W/ ENGINE IMPROVEMENT FUEL ECONOMY) AIR QUALITY SENSOR AUTOMATIC A/C AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COIL IGNITION MODULE CONTROL SOLENOID VALVE ASSEMBLY COOLING COOLING FAN FAN LOW SPEED RELAY RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MEDIUM SPEED RELAY COOLING FAN RELAY COOLING FAN SPEED CONTROL RELAY ENGINE CONTROL MODULE EVAPORATIVE EMISSION VENT SOLENOID VALVE FROM BODY (LEFT FRONT CONTROL CORNER OF MODULE ENGINE (DIAGRAM COMPT) 4 OF 4) FROM BODY CONTROL MODULE (DIAGRAM 4 OF 4) FROM FUSE 24 (DIAGRAM 1 OF 4) FROM FUSE 47 (DIAGRAM 1 OF 4) FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL PUMP CONTROL MODULE FUSE FUSE 10 FUSE 11 FUSE 12 FUSE 12 FUSE 6 FUSE 13 FUSE 14 FUSE 16 FUSE 17 FUSE 18 FUSE 4 FUSE 42 FUSE 46 FUSE 5 FUSE 52 FUSE 53 FUSE 54 FUSE 54 FUSE 52 FUSE 57 FUSE 6 FUSE 8 FUSE 9 FUSE FUSE FUSE GRN WIRE GRY WIRE HEADLAMP HIGH BEAM RELAY HORN RELAY HVAC CONTROL MODULE IGNITION MAIN RELAY INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSIDE REARVIEW MIRROR INSIDE REARVIEW MIRROR (IF EQUIPPED) INSTRUMENT CLUSTER M/T MULTI-FUNCTION INTAKE AIR SENSOR NOT USED NOT USED PASSENGER AIR BAG DISABLE INDICATOR PASSENGER HVAC INSTRUMENT AIR BAG CONTROL CLUSTER DISABLE MODULE INDICATOR PNK PNK WIRE PNK WIRE REAR DEFOGGER RELAY REARVIEW CAMERA RED WIRE RED/BLU WIRE SECONDARY AIR INJECTION SOLENOID VALVE RELAY STARTER RELAY STEERING COLUMN LOCK CONTROL MODULE STEERING COLUMN LOCK CONTROL MODULE (IF EQUIPPED) TRANSMISSION CONTROL MODULE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE W/ ENGINE IMPROVEMENT FUEL ECONOMY WHT WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY

1 4 3 BATT POST VOLT IGNITION VOLT IGNITION VOLT 11 12 SW 2 LO REF SW SIG 2 A/T M/T ACCESSORY WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ASSEMBLY BATT POST VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BODY CONTROL MODULE BODY CONTROL MODULE IGNITION KEY RESISTOR SIG BRN WIRE BRN/BLK WIRE CIGAR LIGHTER RECEPTACLE CONTROL SOLENOID VALVE ASSEMBLY CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION CONTROL MODULE ENGINE CONTROL MODULE FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 3 OF 4) FUSE 6 FUSE 7 GRN WIRE GRN/BLK WIRE IGNITION 3 RLY CTRL IGNITION KEY RESISTOR SIG IGNITION MODE SWITCH IGNITION MODE SWITCH (W/ KEYLESS ENGINE START) IGNITION SWITCH IGNITION SWITCH (W/O KEYLESS ENGINE START) IGNITION VOLT IGNITION VOLTAGE KEY IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE M/T A/T OFF REAR CONSOLE ACCESSORY POWER RECEPTACLE RED WIRE RED/BRN WIRE RED/VIO WIRE RETAINED ACCESSORY POWER RELAY RUN WIRE SW 2 LO REF SW SIG 2 TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 4) TRANSMISSION CONTROL MODULE TRANSMISSION SHIFT LEVER VIO WIRE VIO/BLK WIRE VIO/YEL WIRE W/ KEYLESS ENGINE START W/ KEYLESS ENGINE START W/O KEYLESS ENGINE START WHT WIRE YEL WIRE

43 29 HIGH SPEED SERIAL DATA(-) HIGH SPEED SERIAL DATA(+) AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY CURRENT SENSOR BATTERY FUSE BLOCK BATTERY FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE (UNDER CENTER DASH) CLUTCH PEDAL POSITION SENSOR CLUTCH PEDAL POSITION SENSOR (M/T) (TOP OF CLUTCH PEDAL) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE ENGINE CONTROL MODULE (1.8L: LEFT SIDE OF ENGINE COMPT) FUSE 12 FUSE 5 FUSE 6 GMLAN SERIAL DATA GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/RED WIRE HIGH SPEED SERIAL DATA(+) IGN KEY SIG IGN VOLT IGNITION SWITCH LOW REF OFF PARK/NEUTRAL SW SIG POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SENS SIG SENS VOLT REF STARTER ENABLE RELAY CTRL STARTER MOTOR STARTER RELAY SYSTEM TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ENGINE COMPT, NEXT TO LEFT STRUT TOWER) WHT WIRE WHT/BLK WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE