Chevrolet Cruze I facelift (2012-2015) engine coolant temperature (ect) sensor 1 Wiring diagrams

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

1.4L 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 REVERSE SW SIG 5 VOLT REF 890 1589 INSTRUMENT CLUSTER SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY 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) BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE CLH APP SENS SIG BRK POS SENS SIG CLH APP SENS SIG BRK POS SENS SIG 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 CLUTCH APPLY SENS VOLT REF CLUTCH PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 (REAR OF ENGINE) ENGINE OIL PRESSURE IND EVAP CANISTER PUR SOL CTRL FUEL TANK PRESS SENS SIG FUEL TANK PRESS SENS SIG PRIMARY FUEL LVL SENS SIG FUEL TANK PRESSURE (FTP) SENSOR GENERATOR FIELD DUTY CYCLE SIG GRN BLK/ WIRE GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE IGN INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LO SPD GMLAN SERIAL DATA LOGIC LOW REF LOW REF 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 LOW REF 5 VOLT REF LOW REF LOW REF M/T M/T A/T MAL- FUNCTION IND MANIFOLD ABSOLT PRESS SENS SIG MANIFOLD ABSOLT PRESS SENS SIG ENGINE COOLANT TEMP SENS SIG MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (IN INTAKE MANIFOLD) OUTPUT SPD DIGITAL SIG OVERRUN AIR VALVE SOL PRIMARY FUEL LVL SENS SIG RED/WHT WIRE REVERSE SW SIG STARTING/CHARGING SYSTEM TURBOCHARGER BYPASS SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE TURBOCHARGER WASTEGATE SOLENOID VALVE (LEFT SIDE OF ENGINE) VEHICLE SPEED SENSOR WASTE GATE SOL CTRL WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 REVERSE SW SIG 5 VOLT REF AIR VALVE SOLENOID BLK/BRN WIRE BLK/GRN WIRE BLK/GRY 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 POS SENS SIG 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 BRN/RED WIRE BRN/WHT WIRE CLUTCH APPLY SENS VOLT REF CLUTCH PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 (RIGHT REAR OF ENGINE BLOCK) EVAP CANISTER PUR SOL CTRL FUEL TANK PRESS SENS SIG FUEL TANK PRESS SENS SIG PRIMARY FUEL LVL SENS SIG FUEL TANK PRESSURE SENSOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE IGN INSTRUMENT CLUSTER INSTRUMENT CLUSTER DRIVER INFORMATION CENTER DISPLAY INTAKE AIR TEMP SENSOR LO SPD GMLAN SERIAL DATA LOGIC LOW REF LOW REF 23 24 LOW REF 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 LOW REF 5 VOLT REF LOW REF LOW REF M/T M/T A/T MAL- FUNCTION IND MANIFOLD ABSOLT PRESS SENS SIG MANIFOLD ABSOLT PRESS SENS SIG ENGINE COOLANT TEMP SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MANIFOLD ABSOLUTE PRESSURE SENSOR (IN INTAKE MANIFOLD) OUTPUT SPD DIGITAL SIG CLH APP SENS SIG OUTPUT SPD DIGITAL SIG CLH APP SENS SIG BRK POS SENS SIG OVERRUN AIR VALVE SOLENOID PRIMARY FUEL LVL SENS SIG REVERSE SW SIG STARTING/CHARGING SYSTEM VEHICLE SPEED SENSOR VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 REVERSE SW SIG 5 VOLT REF AIR VALVE SOLENOID BLK/BRN WIRE BLK/GRN WIRE BLK/GRY 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 POS SENS SIG 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 BRN/RED WIRE BRN/WHT WIRE CLUTCH APPLY SENS VOLT REF CLUTCH PEDAL POSITION SENSOR COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (ECM) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 (RIGHT REAR OF ENGINE BLOCK) EVAP CANISTER PUR SOL CTRL FUEL TANK PRESS SENS SIG FUEL TANK PRESS SENS SIG PRIMARY FUEL LVL SENS SIG FUEL TANK PRESSURE SENSOR GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE IGN INSTRUMENT CLUSTER INSTRUMENT CLUSTER DRIVER INFORMATION CENTER DISPLAY INTAKE AIR TEMP SENSOR LO SPD GMLAN SERIAL DATA LOGIC LOW REF LOW REF 23 24 LOW REF 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 LOW REF 5 VOLT REF LOW REF LOW REF M/T M/T A/T MAL- FUNCTION IND MANIFOLD ABSOLT PRESS SENS SIG MANIFOLD ABSOLT PRESS SENS SIG ENGINE COOLANT TEMP SENS SIG MANIFOLD ABSOLUTE PRESSURE SENSOR MANIFOLD ABSOLUTE PRESSURE SENSOR (IN INTAKE MANIFOLD) OUTPUT SPD DIGITAL SIG CLH APP SENS SIG OUTPUT SPD DIGITAL SIG CLH APP SENS SIG BRK POS SENS SIG OVERRUN AIR VALVE SOLENOID PRIMARY FUEL LVL SENS SIG REVERSE SW SIG STARTING/CHARGING SYSTEM VEHICLE SPEED SENSOR VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE