GMC Terrain II (2017-2021) 1.6l turbo diesel Wiring diagrams

1.6L TURBO DIESEL ABS IND. ABS/TCS HILL DESCENT CTRL SW SIG BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/PPL WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENS SIG BRAKE POSITION BRAKE VACUUM BRAKE VACUUM SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM ESC IND ESC OFF GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRY/RED WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (+) (1) IND INSTRUMENT CLUSTER J122 (1.5L TURBO, 2.0L TURBO) LOGIC NCA WIRE PPL RIGHT REAR WHEEL SPEED SENSOR SIG GND TCS OFF TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

02 SNSR FUSE 1.6L TURBO DIESEL ACC WAKEUP SERIAL DATA AUTOMATIC TRANSMISSION ACCUMULATOR SOLENOID VALVE AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE FUSED SUPPLY 4 GRN WIRE GRN/PPL WIRE GRY WIRE HI SPD GMLAN SER DATA (+) 1 HI SPD GMLAN SER DATA - HIGH SPD SER DATA (+) (1) HIGH SPD SER DATA (+) 3 BATT POS VOLT HIGH SPD SER DATA (+) 3 GROUND HIGH SPD SER DATA (-) 3 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED HOT W/ IGNITION MAIN RELAY ENERGIZED IGN ISS ISS LOW HIGH LIN DATA BUS 21 LOGIC LOW REF NON/ WALK FUSE OSS OSS LOW HIGH PARK/ NEUTRAL SIG 1 PC 2 SOL PC 3 SOL PC 4 SOL PC 5 SOL PPL/BLU WIRE PPL/GRN WIRE PPL/WHT WIRE PPL/YEL WIRE PR LINE SOL PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RUN/CRANK IGN 1 VOLT SHFT-CTL FUSE SHIFT SOLENOID VALVE 1 SOL LO SIDE CTRL SS 1 TCC SOL TCM FUSE TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANS POS SW TRANS POS SW BIT 1 SIG TRANS POS SW BIT 2 SIG TRANS POS SW PARITY BIT BIT 3 SIG SIG TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION RANGE CONTROL MODULE (1.6L TURBO DIESEL) (TOP OF TRANSMISSION) TRCM FUSE UNDERHOOD FUSE BLOCK W/O START/STOP SYSTEM W/ START/STOP SYSTEM WAKEUP SER DATA 2 WHT WIRE WHT/GRY WIRE YEL WIRE

1.6L TURBO DIESEL A/C PRESS SENS SIG AMBIENT AIR TEMPERATURE SENSOR BATT POS BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM COOLANT TEMP SENS 2 LO REF COOLING FAN CTRL RLY SIG COOLING FAN MOTOR (MOUNTED TO COOLING FAN SHROUD) ECM FUSE ENG COOLANT TEMP SENS SIG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR FUSE 4 GMLAN SERIAL DATA (-) 3 GRN/PPL WIRE HOT AT ALL TIMES J110 (1.5L TURBO, 2.0L TURBO) J122 (1.5L TURBO, 2.0L TURBO) LOGIC LOW REF 2 RADIATOR COOLANT TEMPERATURE SENSOR RED/BLU WIRE RED/WHT WIRE SENS LO REF SPD SIG UNDERHOOD FUSE BLOCK VOLT WHT WIRE WHT/BLK WIRE

"CHECK ENGINE" IND CTRL 1.6L TURBO DIESEL 1.6L TURBO DIESEL 2.0L TURBO, 1.5L TURBO 2.0L TURBO 2.0L TURBO, 1.5L TURBO AIR TEMPERATURE SENS SIG AMBIENT AIR TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENSOR FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA (+) 7 GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (+) 7 J110 (2.0L TURBO, 1.5L TURBO) LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR SW SIG LOGIC LOW REF LOW REF 2 LR DR AJAR SW SIG NETWORK BUS 3 NETWORK BUS 4 OIL LEVEL SWI SIG OIL PRESSURE SENS SIG PRIMARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH RR DR AJAR SW SIG SEC SENS SIG SECONDARY FUEL LEVEL SENSOR SENS 2 LOW REF SENS LOW REF UNDERHOOD FUSE BLOCK WAIT TO START IND CTRL WHT WIRE WHT/RED WIRE YEL/BRN WIRE

1.6L TURBO DIESEL ACTIVE NOISE CANCELLATION MODULE BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE 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 SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 LOW RTN MICROPHONE 4 SIG PPL/BLU WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE REMOTE ENABLE SIG REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 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 SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

1.6L TURBO DIESEL AUDIO AMPLIFIER BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA ENGINE CONTROL MODULE ETHERNET BUS 6 (-) FRONT CENTER SPEAKER (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE 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 SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LF TWEETER SPEAKER (+) LINES SYSTEM LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 LOW RTN MICROPHONE 4 SIG PPL/BLU WIRE PPL/BRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RF TWEETER SPEAKER (+) 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 SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

1.6L TURBO DIESEL BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/WHT WIRE DIMMING CTRL ENGINE CONTROL MODULE GRY/BLU WIRE GRY/BRN WIRE GRY/PPL WIRE INFOTAINMENT DISPLAY SIG KEYPAD RED LED CONTROL WIRE LOW REF LVDS NAVIGATION DISPLAY PPL/BLU WIRE PPL/WHT WIRE RADIO CONTROLS RADIO KEYPAD RADIO KEYPAD BUTTON SIG RADIO KEYPAD DIMMING CTRL RADIO KEYPAD LOW REF RADIO KEYPAD POWER SIG RADIO KEYPAD PWR SIG RADIO KEYPAD VOLT REF RADIO VOLUME DOWN SIG RADIO VOLUME DOWN SIGNAL RADIO VOLUME UP SIG RADIO VOLUME UP SIGNAL RED/BLU WIRE RED/BRN WIRE REQ SIG TOUCH INTERRUPT VOLT REF

1.6L TURBO DIESEL ACTIVE NOISE CANCELLATION MODULE BATT POS VOLT BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE 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 SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 LOW RTN MICROPHONE 4 SIG PPL/BLU WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE REMOTE ENABLE SIG REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 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 SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

1.6L TURBO DIESEL AUDIO AMPLIFIER BATT POS VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COAX COMPUTER DATA ENGINE CONTROL MODULE ETHERNET BUS 6 (-) FRONT CENTER SPEAKER (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE 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 SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LF TWEETER SPEAKER (+) LINES SYSTEM LOW SPEED GMLAN LR SPEAKER (+) CTRL LR SPEAKER SIG (-) MICROPHONE 1 LOW REF MICROPHONE 1 SIG MICROPHONE 2 LOW REF MICROPHONE 2 SIG MICROPHONE 3 LOW REF MICROPHONE 3 SIG MICROPHONE 4 LOW RTN MICROPHONE 4 SIG PPL/BLU WIRE PPL/BRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/PPL WIRE REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RF TWEETER SPEAKER (+) 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 SPEAKER (+) CTRL RR SPEAKER SIG (-) SERIAL DATA 2 WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/WHT WIRE

1.6L TURBO DIESEL 2.0L TURBO AUTOMATIC TRANSMISSION ASSEMBLY (1.5L TURBO, 1.6L TURBO DIESEL) AUTOMATIC TRANSMISSION ASSEMBLY (2.0L TURBO) BATT POS VOLT BATTERY FUSE BLOCK BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRAKE PEDAL POSITION SENSOR BRK APPLY SENS CTRL BRK APPLY SENS LOW REF BRK APPLY SENS SIG BRK POS SENS LOW REF BRK POS SENS SIG COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA 1 (+) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) FUSE 3 GRN/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IMS MODE SW LOW REF INSTRUMENT PANEL FUSE BLOCK KEY CAPTURE/COLUMN LOCK SHIFT POS SIG NCA WIRE PARK LOCK SOL CTRL PARK POSITION SWITCH POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (LOWER CENTER OF DASH) PPL/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE SERIAL SPLY VOLT 2 SPLY VOLT 2 BATT POS VOLT SW MODE CTRL SW MODE CTRL BACKUP TRANS PARK/ NEUTRAL SIG 1 TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK CONTROL SOLENOID ACTUATOR W/O START/STOP SYSTEM W/ START/STOP SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/PPL WIRE WHT/RED WIRE YEL/BLU WIRE