Buick Encore I (2012-2016) engine control module (left side of engine compt) Wiring diagrams

29 43 HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - 3 22 BATT POSITIVE VOLT LO SPD GMLAN SER DATA AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LAMP SPLY VOLT BACKUP LP SPLY VOLT BATT POSITIVE VOLT BCM 5 FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ECM-B FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GND SIG P GRN WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) LEFT BACKUP LAMP LEFT TAILLAMP ASSEMBLY LOGIC INSIDE REARVIEW MIRROR LOGIC REARVIEW CAMERA (IF EQUIPPED) (CENTER OF LIFTGATE) NCA WIRE RED WIRE RED/GRY WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT TAILLAMP ASSEMBLY SIG A SIG B SIG C SYSTEM TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION INTERNAL MODE SWITCH UNDERHOOD FUSE BLOCK (LEFT FRONT CORNER OF ENGINE COMPT) WAKE UP SIG WHT WIRE WHT/GRY WIRE YEL WIRE

10 9 4 3 FWD AWD A/T AUTOMATIC TRANSMISSION ASSEMBLY (A/T) BATTERY SENSOR MODULE BLU WIRE BLU/YEL WIRE CONTROL SOLENOID VALVE ASSEMBLY DRIVER WINDOW MOTOR (CENTER OF DRIVER'S DOOR) DRIVER WINDOW SWITCH ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE INTERCONNECT INTERCONNECT BUS 3 M/T NETWORK BUS 1 NETWORK BUS 8 PASSENGER WINDOW SWITCH TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (LEFT FRONT CORNER OF ENGINE COMPT) VIO/YEL WIRE WHT WIRE WHT/BLU WIRE

BAT +VE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLU WIRE BRN/YEL WIRE CANISTER PURGE SOL, WATER VALVE SOL, TURBO WASTEGATE SOL, TURBO BYPASS FUSE COMPUTER DATA LINES SYSTEM COOL FAN HIGH FUSE COOL FAN LOW/MID FUSE COOLANT TEMP SENS 2 LOW REFERENCE COOLANT TEMP SENS LOW REFERENCE COOLANT TEMP SENSOR SIG COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN MEDIUM COOLING FAN MOTOR (BEHIND RADIATOR) COOLING FAN RELAY COOLING FAN RESISTOR (LOWER LEFT SIDE OF DASH) COOLING FAN SPEED CONTROL RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMP SENS SIG ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) ENGINE DRIVER INFORMATION COOLANT TEMPERATURE CENTER IND DISPLAY FAN RLY FUSE GRN WIRE GRN/VIO WIRE GRY WIRE HI SPEED COOLING FAN RLY CTRL HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE IPC B+ BLOCK FUSE (BEHIND LEFT END OF DASH) LO SPEED COOLING FAN RLY CTRL LOGIC LOW SPEED GMLAN SERIAL DATA RED WIRE RED/BLU WIRE RED/WHT WIRE SPEED RELAY TEMPERATURE SENSOR THERMOSTAT ENG COOL CTRL UNDERHOOD FUSE BLOCK (LEFT FRONT CORNER OF ENGINE COMPT) UNDERHOOD RELAY BLOCK (LEFT FRONT OF ENGINE COMPT) VIO/BLU WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

ACC PEDAL POS 5 VOLT REF (1) ACC PEDAL POS 5 VOLT REF (2) ACC PEDAL POS LOW REF (1) ACC PEDAL POS SIG (1) ACC PEDAL POS LOW REF (2) ACC PEDAL POS SIG 2 ACCELERATOR PEDAL POSITION SENSOR (ON ACCELERATOR PEDAL BRACKET) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE POSITION SENS 5 VOLT REF BRAKE POSITION SENS LOW REF BRAKE POSITION SENS SIG BRK APPLY SENS LOW REF BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CANCEL SWITCH COMPUTER DATA LINES SYSTEM CRUISE CTRL SET/COAST/ RESUME/ACC SW SIG CRUISE IND CRUISE SWITCH CRUISE/ETC/TCC BRK SIG DRIVER INFORMATION CENTER DISPLAY ECM PT IGN-1/ IGN-2 FUSE END OF DASH) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE GROUND HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT IPC/PTC CNTL/ CLUTCH SW FUSE LEFT STEERING WHEEL CONTROL SWITCH LIGHTING CTRL SW REF LOGIC LOW SPD GMLAN SER DATA POWERTRAIN MAIN RLY FUSED SPLY 1 RED/VIO WIRE RES/+ SWITCH SET SWITCH SOUND SYSTEMS SPLY VOLT STEERING WHEEL AIR BAG COIL (TOP OF STEERING COLUMN) TCB B+ FUSE THROTTLE ACTUATOR CTRL CLOSE THROTTLE ACTUATOR CTRL OPEN THROTTLE BODY (REAR OF INTAKE MANIFOLD ASSEMBLY) THROTTLE POS SENS 5 VOLT REF THROTTLE POS SENS SIG (1) THROTTLE POS SENS LO REF THROTTLE POS SENS SIG (2) TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK (LEFT FRONT CORNER OF ENGINE COMPT) VIO/BLK WIRE VIO/BLU WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

2 1 LR DR AJAR SW SIG NETWORK BUS 4 22 4 SERIAL DATA BATT POSITIVE VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER ASSEMBLY) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 5986 333 DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR (CENTER OF DRIVER DOOR) ELECTRONIC BRAKE CONTROL MODULE (NEAR BRAKE MASTER CYLINDER) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) FUEL LVL SENS SIG GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LF DR AJAR SW SIG MTR STATUS LOGIC LIFT GATE AJAR SW SIG 1 LIFTGATE LATCH (BOTTOM CENTER OF LIFTGATE) LOCAL INTER NET 3 DRIVER DR LOCK MTR STATUS LOGIC LEFT REAR WINDOW SWITCH LOGIC PASSENGER WINDOW SWITCH LOGIC RIGHT REAR WINDOW SWITCH LOW REF LR DOOR AJAR SW SIG NETWORK BUS 4 NETWORK BUS 3 OIL PRESS SW SIG PARK BRAKE SW SIG PARKING BRAKE) PARK BRAKE SWITCH PASSENGER DOOR LATCH ASSEMBLY RED/YEL WIRE RIGHT REAR DOOR LATCH ASSEMBLY SEC FUEL LVL SIG SECONDARY FUEL LEVEL SENSOR (AWD) (TOP LEFT SIDE OF FUEL TANK ASSEMBLY) SERIAL DATA SERIAL DATA BRK FLUID LVL SIG GND VIO/GRY WIRE VIO/YEL WIRE WHT/BLU WIRE YEL/BLU WIRE

A/C COMPRESSOR CLUTCH RELAY CTRL A/C EVAPORATOR TEMPERATURE SENSOR (LEFT SIDE OF HVAC EVAPORATOR) A/C ON IND A/C ON SWITCH A/C PRESSURE SENS 5 VOLT REFERENCE A/C REFRIGERANT PRESSURE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (ON A/C COMPRESSOR) AIR RECIRCULATION DOOR ACTUATOR (IN RIGHT SIDE PASSENGER COMPT BEHIND DASH) BAT +VE VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT RADIATOR TEMPERATURE SENSOR (BOTTOM RIGHT REAR OF RADIATOR) ENGINE COOLANT TEMPERATURE IND ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) FAN RLY CTRL GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEATED HIGH IND 1 HEATED HIGH IND 2 HEATED HIGH IND 3 HEATED HIGH SWITCH HEATED LOW IND 1 HEATED LOW IND 2 HEATED LOW IND 3 HEATED LOW SWITCH HI SPEED COOLING HIGH SPEED GMLAN SERIAL DATA (+) HOT W/ BATTERY SAVER RELAY 1 ENERGIZED HVAC CONTROL MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (BEHIND LEFT END OF DASH) IPC B+ FUSE LEFT AIR TEMPERATURE DOOR ACTUATOR (IN LEFT SIDE DRIVER COMPT BEHIND DASH) LO SPEED COOLING LOGIC LOW REFERENCE COOLANT TEMP SENS LOW REFERENCE COOLANT TEMP SENS 2 LOW SPEED GMLAN SERIAL DATA ORG/ WIRE REAR WINDOW DEFROST SWITCH RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE SENS LOW REFERENCE A/C REFRIGERANT PRESS SENS SIG ENGINE COOLANT TEMP SENSOR LOW REFERENCE SENSOR SIG COOLANT TEMP THERMOSTAT ENGINE COOL CTRL VIO/BLU WIRE WHT WIRE WHT/GRY WIRE WHT/PNK WIRE WHT/RED WIRE YEL WIRE

24 25 HI SPD GMLAN (-) 1 HI SPD GMLAN (+) 1 3 2 1 IMMOBILIZER SPLY VOLT NETWORK BUS 11 IMMOBILIZER RET BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE HI SPD GMLAN (-) 1 HOOD AJAR SW SIG IMMOBILIZER CONTROL MODULE (NEAR IGNITION SWITCH CYLINDER) IMMOBILIZER RET IMMOBILIZER SPLY VOLT INSTRUMENT CLUSTER LO SPD GMLAN LO SPD SERIAL DATA LOGIC LOW REF NETWORK BUS 11 OPEN SW SIG RED/GRN WIRE SECURITY INDICATOR SIG GND SW SIG OPEN WHT WIRE YEL WIRE

5 VOLT REF 5 VOLT REF SEC FUEL LEVEL SIG ABSOLT PRESS SENS SIG ENG COOLANT TEMP SENS SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE PEDAL PRESSURE SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) EVAP CANISTER PUR SOL CTRL FUEL TANK PRESS SENS SIG PRIMARY FUEL LVL SENS SIG GENERATOR FIELD DUTY CYCLE SIG GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE IGN 1 VOLT INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LO SPD GMLAN SERIAL DATA LOGIC CHECK ENGINE IND CTRL LOW REF LOW REF 5 VOLT REF LOW REF LOW REF MALFUNCTION IND MANIFOLD ABSOLUTE PRESSURE SENSOR (IN INTAKE MANIFOLD) OVERRUN AIR VALVE SOL SENS SIG SIG STARTING/CHARGING SYSTEM TURBOCHARGER WASTEGATE SOLENOID VALVE (LEFT FRONT OF ENGINE) VIO/BLK WIRE VIO/BLU WIRE WASTE GATE SOL CTRL WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

"CHECK ENGINE" IND CTRL 5 VOLT REF A/C COMPR CLTH RLY CTRL A/C RFGT PR SENS SIG ACC PEDAL POS SIG 1 ACC PEDAL POS SIG 2 AIR CONDITIONING BATTERY FUSE BLOCK (TOP OF BATTERY) BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION CHARGE IND CTRL CHARGING SYSTEM COOLING COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRK SIG ECM-B FUSE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS IGNITION RELAY EVAP CANSTR VENT CTRL FANS SYSTEM FUSE FUSE 4 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/WHT WIRE HDLP LEVELING ECM R/C LH/RH FUSE FUSE HIGH SPEED RELAY CTRL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN INJECTOR/ IG COIL FUSE ECM PT IGN -1/IGN-2 FUSE INTAKE SENS CTRL LINES SYSTEM COMPUTER DATA LOW REF LOW SPD COOLING MAF SENSOR MAS AIR FLOW SENS SIG PARK NETRL POS SW SIG POWERTRAIN RLY CTRL PRE TR AIR TEMP PR SIG PRES SENS 5 V REF PRESS SENS SIG PRIMARY RLY CTRL RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SENS REPLICATED SIG SERIAL DATA (-) (1) SOLENOID FUSE SOUND SYSTEMS START ENBLE RLY CTRL STARTING/ SYSTEM SYSTEM STARTING/CHARGING TEMP SENS 2 SIG TEMP SENS SIG TO ENGINE CONTROL MODULE CONNECTORS) TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/YEL WIRE WAKEUP SERIAL DATA WASTEGATE SOL, TURBO BYPASS FUSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

5530 3110 DOOR LOCKS SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT CAM W GND CAMSHAFT CAM W SIG CAMSHAFT CAM W SUP VOLT CAMSHAFT CAM X SIG CAMSHAFT CAM X SUP VOLT CAMSHAFT PHASER EXHAUST SOL 1 CAMSHAFT PHASER INTAKE SOL 1 DOOR LOCKS SYSTEM ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GROUND GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE IGN CTRL (2) IGN CTRL (4) KNOCK SENSOR SIG 1 LOW REF LOW REF CAMSHAFT CAM X GND NEUTRAL POSITION SENSOR (W/ START/ STOP SYSTEM) SPLY 5 VOLT REF LOW REF THROTTLE BODY (REAR OF INTAKE MANIFOLD ASSEMBLY) THROTTLE POSITION SENSOR SIG 1 THROTTLE POSITION SENSOR SIG 2 HOOD OPEN SW TURBO BOOST PRESS SENS TEMP SIG VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/GRY WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE