Chevrolet Spark M300 (2009-2016) computer data lines system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 SERIAL DATA (+) SERIAL DATA (-) GROUND COMMUNICATION ENABLE BLK WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF PASSENGER COMPT) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 21 20 GRY/BLK WIRE HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (DRIVER SIDE OF DASH) PEDESTRIAN ALERT SOUND CONTROL MODULE (FRONT CENTER OF PASSENGER COMPT) PEDESTRIAN ALERT SOUND SPEAKER (BELOW LEFT HEADLAMP) PFAF FUSE RED/GRN WIRE SERIAL DATA (-) SERIAL DATA (+) SPKR SIG (-) SPKR SIG (+) BATTERY POSITIVE VOLT VIO/WHT WIRE WHT WIRE WHT/BLU WIRE

ABS 1 FUSE ABS 2 FUSE BLK WIRE BLU WIRE BLU/YEL WIRE BRAKE PRESSURE MODULATOR COMBINED VEH INERTIAL SENS SPLY VOLT COMPUTER DATA LINES SYSTEM DATA ELECTRONIC BRAKE CONTROL MODULE (ENGINE COMPARTMENT, BEHIND RIGHT HEADLAMP) GMLAN GRN/BRN WIRE GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (+) GND HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) BATT (+) VOLT HI SPD GMLAN SERIAL HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT WHEEL HUB) LEFT REAR WHEEL SPEED SENSOR (LEFT REAR WHEEL HUB) LO VAC SW FUSE MULTI-AXIS ACCELERATION SENSOR (NEAR CENTER CONSOLE) NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RF WHEEL SPD SENS SIG RR WHEEL SPD SENS SIG LR WHEEL SPD SENS RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR WHEEL HUB) SERIAL DATA SPLY VOLT SPLY VOLT LF WHEEL SPD SENS SPLY VOLT BRK FLUID LVL SENS SIG UNDERHOOD FUSE BLOCK (LEFT REAR CORNER OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

10 11 29 43 SERIAL DATA (+) SERIAL DATA (-) 13 7 SENS SPLY VOLT BRK APLY SENS SIG 23 32 56 22 38 58 SENS LOW REF SENS SPLY VOL SENS SIG 25 24 18 GMLAN DATA (+) GMLAN DATA (-) TRACTION CTRL SW SIG PRK BRK SW SIG 2500 2501 1788 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/BRN WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (PASSENGER COMPARTMENT INSTRUMENT PANEL) BRAKE ABS IND IND BRAKE BOOSTER PUMP MOTOR (LOWER LEFT REAR CORNER OF ENGINE COMPT) BRAKE BOOSTER PUMP MOTOR RELAY BRAKE BOOSTER VACUUM SWITCH (ON BRAKE BOOSTER ASSEMBLY) BRAKE FLUID LEVEL SWITCH (BRAKE FLUID RESERVOIR) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CVT CVT M/T DISPLAY DRIVER INFORMATION CENTER ENGINE CONTROL MODULE (ECM) (NEAR BATTERY) FUSE 3 GRN WIRE GRN/GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES UNDERHOOD AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INSTRUMENT CLUSTER LOGIC M/T NCA WIRE PARK BRAKE SWITCH (BASE OF PARKING BRAKE ASSEMBLY) RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT WHEEL HUB ASSEMBLY) SENS LOW REF TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT REAR CORNER OF ENGINE COMPT) WHT WIRE YEL WIRE

AMBIENT LIGHT/ SUNLOAD SENSOR (TOP CENTER OF DASH) AUX HTR PUMP FUSE BATT POS VOLT BLK WIRE BLK/BRN WIRE BLOWER MTR SPD CTRL BLU/GRY WIRE BLU/WHT WIRE BLWR FUSE BREAKOUT) BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CABIN HTR COOLANT MTR CTRL GND RUN IGN 3 VOLT CABIN HTR COOLANT MTR FEEDBACK SIG COMPUTER DATA LINES SYSTEM COOLANT HEATER TEMPERATURE SENSOR (RIGHT REAR OF ENGINE COMPT) DEFOGGER SYSTEM DUCT LOWER AIR TEMPERATURE SENSOR (ATTACHED TO LEFT LOWER HVAC DUCT) FUSE GRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HEADLIGHTS HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY ENERGIZED HOT W/ IGNITION RUN RELAY ENERGIZED HUMIDITY HUMIDITY SENS SIG HVAC CONTROL MODULE (BEHIND HVAC CONTROLS) HVAC SW FUSE INSTRUMENT PANEL FUSE BLOCK (DRIVER SIDE OF DASH) LINEAR INTERCONNECT NETWORK BUS 9 LOGIC LOGIC HVAC CONTROLS LOW REF LOWER AIR TEMP SENS SIG COOLANT TEMP SIG REAR DEFOG RLY CTRL CABIN HTR COOLANT MTR ENABLE RED/BLU WIRE RED/WHT WIRE REF 5 VOLT SENS SIG SYSTEM TEMP TWILIGHT SENTINEL DELAY SIG UNDERHOOD FUSE BLOCK (LEFT REAR CORNER OF ENGINE COMPT) VIO/BLU WIRE VIO/BRN WIRE VIO/YEL WIRE WHT/BLU WIRE WINDSCREEN WINDSCREEN TEMP SENS SIG YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

5 VOLT REF A/C REFRIGERANT PRESSURE SENSOR (ENGINE COMPT IN HIGH PRESSURE LINE) ACCESS WAKUP SERIAL DATA 2 B+ VOLT BLK WIRE BLK/BRN WIRE BLOWER MOTOR (MOUNTED BELOW HVAC ASSEMBLY) BLOWER MOTOR CONTROL MODULE (MOUNTED TO HVAC MODULE ASSEMBLY) BLU WIRE BLU/GRY WIRE BLWR MTR SPD CTRL BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA (+) (1) HI SPD GMLAN ENGINE CONTROL MODULE (LEFT SIDE REAR OF ENGINE COMPT) FDBACK SIG FRONT BLWR MTR RTN FUSE 33 FUSE 9 GRN WIRE GRN/GRY WIRE GROUND HI SPD GMLAN HI SPD GMLAN DATA (-) (1) HI VOLT BATT (+) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY 2 ENERGIZED LOW REF MOTOR CTRL MTR EANABLE NCA WIRE ORG/ WIRE PRESS SENS SIG RED/WHT WIRE RUN/CRANK IGNITION 1 VOLT SERIAL DATA (-) (1) UNDERHOOD FUSE BLOCK (LEFT REAR CORNER OF ENGINE COMPT) VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE

5 VOLT REF A/C LOW SIDE PRESSURE SENSOR (ENGINE COMPT, ATTACHED TO A/C LINE) AMBIENT AIR TEMPERATURE SENSOR (ON RIGHT FRONT OF VEHICLE) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE CAN BUS HI SERIAL DATA CAN BUS LO SERIAL DATA COMPUTER DATA LINES SYSTEM DC BATTERY CHARGER (IN ENGINE COMPT MOUNTED ABOVE POWER INVERTER MODULE) ENGINE CONTROLS SYSTEM FUSE HYBRID/EV BATTERY DC CHARGING POSITIVE CONTACTOR HYBRID/EV POWERTRAIN CONTROL MODULE 2 (UNDER DRIVER SEAT) LOGIC LOW PRESS SENS SIG NCA WIRE ORG/ WIRE OUTSIDE AMBIENT AIR RED WIRE SENS LOW REF TEMP SENS LOW REF TEMP SENS SIG W/ FAST CHARGING ACCOMMODATIONS PROVISIONS W/O FAST CHARGING ACCOMMODATIONS PROVISIONS WHT WIRE YEL WIRE

13 19 SW UNLOCK SIG SW LOCK SIG 16 27 ACTUATOR RTN ACTUATOR RECEIVE SIG 24 25 SERIAL DATA (-) 1 SERIAL DATA (+) 1 5 6 RH PARK LP SPLY VOLT LH PARK LP SPLY VOLT ACTUATOR ACTUATOR RTN ACTUATOR SPLY VOLT ACTUATOR TRANSMIT SIG BATT POS VOLT BCM 7 FUSE BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF PASSENGER COMPT) BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH GROUND GRY WIRE GRY/BRN WIRE GRY/WHT WIRE HEAD LP HIGH RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK BCM 8 (DRIVER SIDE FUSE OF DASH) LIFTGATE AJAR SWITCH (BOTTOM CENTER OF LIFTGATE) RECEIVE SIG RED/GRN WIRE RED/GRY WIRE REMOTE CONTROL DOOR LOCK RECEIVER (TOP OF LEFT REAR WHEELWELL) RR DR AJAR SW SIG SPLY VOLT SW LOCK SIG SW UNLOCK SIG TRANSMIT SIG VIO/GRY WIRE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 5 6 BATT POS VOLT GROUND ACCESSORY VOLT IGN 1 VOLT BATT POS VOLT GROUND ANTENNA 1 SIG HI ANTENNA 1 SIG LO ANTENNA 2 SIG HI ANTENNA 2 SIG LO BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/GRY WIRE BLU WIRE BLU/VIO WIRE BRN/BLK WIRE BRN/YEL WIRE CENTER CONSOLE FRONT KEYLESS ENTRY ANTENNA CENTER CONSOLE REAR KEYLESS ENTRY ANTENNA COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ASSEMBLY GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (DRIVER SIDE OF DASH) PEPS FUSE RED/GRN WIRE RED/GRY WIRE SW SIG 2 SW 2 LOW REF UNDERHOOD FUSE BLOCK (LEFT REAR CORNER OF ENGINE COMPT) VEHICLE ON/OFF SWITCH VIO/BLK WIRE VIO/YEL WIRE WHT WIRE YEL/BRN WIRE

ACCESSORY VOLT ACTUATOR LOCK CTRL ACTUATOR LOCK CTRL 2 ACTUATOR RECEIVE SIG ACTUATOR RTN ACTUATOR SPLY VOLT ACTUATOR TRANSMIT SIG ACTUATOR UNLOCK CTRL BATT POS VOLT BLK WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF PASSENGER COMPT) BRN/GRN WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR LOCK SWITCH GROUND GRY WIRE GRY/BRN WIRE GRY/WHT WIRE HEAD LP HIGH RLY CTRL HEADLIGHTS SYSTEM HOOD AJAR SW SIG HORN RLY CTRL HORNS SYSTEM HOT W/ IGNITION MAIN RELAY 1 ENERGIZED IGN 1 VOLT INSTRUMENT PANEL FUSE BLOCK IPC I/P IND FUSE LF DR AJAR SW SIG LH PARK LP SPLY VOLT LIFTGATE AJAR SW SIG 1 LR DR AJAR SW SIG PASSENGER DOOR LATCH ASSEMBLY PASSENGER DOOR LOCK SWITCH RED/GRN WIRE RED/GRY WIRE RF DR AJAR SW SIG RH PARK LP SPLY VOLT RR DR AJAR SW SIG SERIAL DATA (-) (1) SW LOCK SIG SW UNLOCK SIG VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

ACTUATOR ACTUATOR RTN BLK WIRE BLU/WHT WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR DRIVER DOOR AJAR SWITCH (IN DRIVER DOOR JAMB) DRIVER INFORMATION CENTER DISPLAY GMLAN GRN WIRE GRY WIRE GRY/WHT WIRE IGN IND LEFT REAR DOOR AJAR SWITCH (IN LEFT REAR DOOR JAMB) LEFT REAR DOOR LATCH ASSEMBLY LIFTGATE AJAR SWITCH (BOTTOM CENTER OF LIFTGATE) LIFTGATE DOOR LOCK ACTUATOR (LEFT SIDE OF LIFTGATE) LOGIC INSTRUMENT CLUSTER NCA WIRE OPEN IND PASSENGER DOOR AJAR SWITCH (IN FRONT PASSENGER DOOR JAMB) RECEIVE SIG RIGHT REAR DOOR AJAR SWITCH (IN RIGHT REAR DOOR JAMB) RIGHT REAR DOOR LATCH ASSEMBLY SECURITY SERIAL DATA SPLY VOLT ACTUATOR TRANSMIT SIG VIO/GRY WIRE YEL/GRN WIRE