Chevrolet Blazer III (2018-2023) engine control module Wiring diagrams

A/C REFRIGERANT PRESSURE SENSOR ACTUATOR CTRL OPEN BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/GRY WIRE CLUTCH RELAY CTRL COL DIVERTER VALVE ACTUATOR CTRL CLOSE COL DIVERTER VALVE COMPUTER DATA LINES STYSTEM ENGINE BLK TEMP WIRE ENGINE BLOCK COOLANT TEMPERATURE SIGNAL MODULE LIN BUS 1 MODULE LIN BUS 1 ENGINE CONTROL MODULE ENGINE CONTROL SEN LOW REF 1 ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT TEMPERATURE SENSOR 1 ENGINE COOLANT TEMPERATURE SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR 5 ENGINE COOLANT TEMPERATURE SENSOR 6 ENGINE CTRL ENGINE CTRL VEHICLE SENSORS LOW REF 1 ENGINE INLET COL TEMPERATURE SIGNAL ENGINE OUTLET COOLANT TEMPERATURE SIGNAL GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND 3 GRY/VIO WIRE HEATER CORE OUTLET TEMPERATURE SIGNAL HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LEFT OF BATTERY) LOWER RIGHT FRONT OF ENGINE) POSITIVE VOLTAGE 1 RED/WHT WIRE SENSOR SIGNAL TURBOCHARGER BYPASS SOLENOID VALVE UNDERHOOD FUSE BLOCK VIO WIRE VIO/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

2.0L TURBO 2.5L 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BATTERY POSITIVE VOLT BRK APPLY SENS LOW REF BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS SIG BRK POS SENS LOW REF BRK POS SENS SIG COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN/YEL WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPEED GMLAN SER DATA (-) 1 HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES IGNITION MODE SW MODE CTRL IGNITION MODE SW MODE CTRL BACKUP IMS MODE SW LO REF INSTRUMENT PANEL FUSE BLOCK J193 (2.0L TURBO) J194 (2.0L TURBO) KEY CAPTURE/COLUMN LOCK SHIFT POS SIG NCA WIRE PARK LOCK SOL CTRL PARK POSITION SWITCH RED/BRN WIRE TRANS POS SENS REF TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLU WIRE

2.5L 3.6L A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BRN/RED WIRE CLUTCH RELAY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG COOLING FAN MOTOR ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR GRN WIRE GROUND GRY WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES HTR RELAY CTRL NCA WIRE OUTSIDE AIR TEMP SENS SIG RED/GRN WIRE RLY SPD SIG SIG GND SIG GND SENS LOW REF TEMP SENS SIG W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WHT WIRE WHT/GRY WIRE

2.5L 3.6L A/C REFRIGERANT PRESS SENS SIG A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BRN/RED WIRE CLUTCH RELAY CTRL COMPUTER DATA LINES SYSTEM COOLING FAN CTRL SIG COOLING FAN MOTOR ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR GRN WIRE GROUND GRY WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES HTR RELAY CTRL NCA WIRE OUTSIDE AIR TEMP SENS SIG RED/GRN WIRE RLY SPD SIG SIG GND SIG GND SENS LOW REF TEMP SENS SIG W/ TRAILER PROVISIONS W/O TRAILER PROVISIONS WHT WIRE WHT/GRY WIRE

2.5L 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HI SPD GMLAN SERIAL DATA (+) (3) IGN MODE SW MODE CTRL BACKUP LO REF NCA WIRE TRANSMISSION CONTROL SOLENOID VALVE 1 TRANSMISSION CONTROL SOLENOID VALVE 10 TRANSMISSION CONTROL SOLENOID VALVE 2 TRANSMISSION CONTROL SOLENOID VALVE 3 TRANSMISSION CONTROL SOLENOID VALVE 4 TRANSMISSION CONTROL SOLENOID VALVE 5 TRANSMISSION CONTROL SOLENOID VALVE 6 TRANSMISSION CONTROL SOLENOID VALVE 7 TRANSMISSION CONTROL SOLENOID VALVE 8 TRANSMISSION CONTROL SOLENOID VALVE 9 TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

2.5L 3.6L AMBIENT AIR TEMPERATURE SENSOR AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRK FLUID LEVEL SENS SIG BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR GRN/GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA BUS (-) 2 HI SPD GMLAN SERIAL DATA BUS (+) 3 NCA WIRE OIL PRESS SENS LOW REF OIL PRESS SENS SIG OUTSIDE AMBIENT AIR TEMP SENS SIG PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK APPLY VOLT REF PARK BRK REL SW SIG PARK BRK REL SW VOLT REF PARK BRK SW SPLY VOLT PRIMARY LEVEL SENS SIG OIL LEVEL SW SIG PRK BRK SW SIG SENS 5 VOLT REF 1 SENS LOW REF 1 SIG GND TRANSMISSION INTERNAL MODE SWITCH WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1-CU 2-CU 2.0L TURBO 3.6L 2.5L AM/FM BATT POST VOLTAGE BATTERY POS VOLT BK COAX BK USB USB SERIAL DATA BLK WIRE BLK/WHT WIRE COAX COAX BU COAX CU COAX OG COAX OG REAR VISION CAMERA COAXIAL VIDEO SIGNAL COMPUTER DATA LINES SYSTEM CRNKSHAFT POSI SENS REPLICATED SIGNAL DISPLAY DISPLAY SIG + ENGINE CONTROL MODULE ETHERNET BUS 4 (-) GRN/BLK WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HD/XM HOT AT ALL TIMES INFO DISPLAY MODULE INFOTAINMENT INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LO SPD GMLAN SER DATA 2 LOGIC LOW SPD GMLAN LR SPEAKER SIG (-) LVDS LVDS GY INFOTAINMENT DISPLAY SIGNAL NCA WIRE POWER SUPPLY TRANSFORMER RADIO RADIO ANTENNA AMPLIFIER RADIO CONTROLS REAR END SPOILER ANTENNA REAR VIEW CAMERA RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE ROOF REAR ANTENNA SERIAL DATA 2 SIG GROUND SIGNAL GROUND UNDERHOOD FUSE BLOCK USB VIO/BLU WIRE W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM

2.0L TURBO 2.5L 3.6L ACTIVE NOISE CANCELLATION MODULE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE ENGINE CONTROL MODULE ENTERTAINMENT REMOTE ENABLE SIGNAL BATTERY POSITIVE VOLTAGE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPKR (-) CTRL (1) LF SPKR SIGNAL (-) 1 LR SPKR (-) CTRL LR SPKR (-) CTRL 1 LR SPKR SIGNAL (-) NOISE REDU MIC 4 RTN NOISE REDUCTION MIC 1 LO REF NOISE REDUCTION MIC 2 LO REF NOISE REDUCTION MIC 1 SIG NOISE REDUCTION MIC 2 SIG NOISE REDUCTION MIC 3 LO REF NOISE REDUCTION MIC 3 SIG NOISE REDUCTION MIC 4 SIG RED/YEL WIRE REPLICATED REPLICATED SIGNAL RF SPKR (-) CTRL (1) RF SPKR SIGNAL (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPKR (-) CTRL RR SPKR CTRL (+) 1 RR SPKR SIGNAL (-) SIG GND SIGNAL VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

1-RD 2-CU 2.0L TURBO 2.5L 3.6L AM/FM AUXILIARY AUDIO INPUT BK COAX BK USB USB SER DATA BLK WIRE BRN/BLK WIRE BRN/BLU WIRE BU COAX GPS COAX COAX 1-CU COAX BU COMPUTER COMPUTER DATA LINES SYSTEM CU COAX HD/XM DATA LINES DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE INSTRUMENT CLUSTER LIN BUS 12 LOGIC LOW SPD GMLAN NCA WIRE OG COAX COAXIAL VIDEO SIGNAL RADIO RADIO ANTENNA AMPLIFIER REAR END SPOILER ANTENNA REAR VIEW CAMERA RED/VIO WIRE REPLICATED ROOF REAR ANTENNA SERIAL DATA 2 SIGNAL SYSTEM USB USB RECEPTACLE VIDEO PROCESSING CONTROL MODULE VIO/BLU WIRE W/ ALL AROUND VISION CAMERA W/ DIGITAL AUDIO SYSTEM W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM W/O ALL AROUND VISION CAMERA W/O ONSTAR YEL WIRE

2.0L TURBO 2.5L 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GND 3 GRN/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) IGN SW MODE CTRL BACKUP PARK SW 2 SIG IGNITION MODE SWITCH MODE CTRL NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (UNDER CENTER OF INSTRUMENT PANEL) RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL TRANS INTERNAL MODE SW FEEDBACK SIG LOE REF 1 TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) TRANSMISSION INPUT SHAFT TRANSMISSION INTERNAL MODE SWITCH VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE