Chevrolet Malibu VIII (2011-2014) computer data lines system Wiring diagrams

5-VOLT ABS FUSE 15 ABS FUSE 24 ABS IND. BATT ABS FUSE 56 BLK WIRE BLK/WHT WIRE BRAKE PRESSURE MODULATOR VALVE (BPMV) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT FRONT STRUT TOWER) GMLAN SERIAL DATA - GMLAN SERIAL DATA - GND GRY WIRE GRY/BLK WIRE HIGH SPD GMLAN SERIAL DATA + HIGH SPD GMLAN SERIAL DATA + BATT POS VOLT HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER (IPC) TRACTION OFF BRAKE IND IND LATERAL SIG LEFT REAR WHEEL SPEED SENSOR (LEFT REAR WHEEL HUB ASSEMBLY) LF WHEEL SPD SENS SIG LF WHEEL SPD SENS LOW REF LOW REF STEERING WHEEL POS SENS LOGIC LOW REF LOW SPEED GMLAN LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT B+ WIRE PNK WIRE PPL PUMP MOTOR PUMP MOTOR CONTROL RED/BLK WIRE RED/WHT WIRE RIGHT REAR WHEEL SPEED SENSOR (RIGHT REAR WHEEL HUB ASSEMBLY) SER DATA SERIAL DATA STEERING WHEEL POS LOW REF RF WHEEL SPD SENS SIG STEERING WHEEL POS SIG A TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VDC IND WHT WIRE YAW RATE SENS VOLT REF STEERING WHEEL POS SIG B YAW RATE SENS SIG YAW SENS SIG YAW, LATERAL ACCELEROMETER SENSOR (UNDER CENTER CONSOLE) YEL WIRE

3.6L 2.4L (VIN B) 5 VOLT REF BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER CONSOLE) LOGIC BRAKE FLUID BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PEDAL POSITION (BPP) SENSOR (LEFT SIDE OF DASH) BRK POS SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS (-) GMLAN SERIAL HIGH SPEED DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GMLAN SERIAL DATA BUS + GRY WIRE HIGH SPEED HIGH SPEED GMLAN SERIAL DATA BUS + LEFT FRONT WHEEL SPEED SENSOR (LEFT FRONT WHEEL HUB ASSEMBLY) LOW REF LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PNK WIRE RIGHT FRONT WHEEL SPEED SENSOR (RIGHT FRONT WHEEL HUB ASSEMBLY) SEN SIG 2 SIG A SIG B SIGNAL LEVEL SENSOR TAN WIRE TAN/BLK WIRE TRAC CTRL SW SIG TRACTION CONTROL SWITCH WHT WIRE YEL WIRE

1 4 3 2 6 15 BATTERY BATTERY ACC VOLT GROUND SW SIG SERIAL ACC VOLT AJAR AJAR HOOD AJAR SWITCH (ON HOOD LATCH) AUTOMATIC A/C BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE CLUSTER/ THEFT FUSE COMPUTER DATA LINES SYSTEM CTRL BEAM RLY CYLINDER HOUSING) DATA DATA BUS - DATA LINK CONNECTOR (DLC) (LEFT SIDE OF DASH) DK GRN WIRE DR LK LK/ DRIVER DOOR LATCH (DRIVER'S DOOR) DRIVER DOOR LOCK SWITCH ECM FUSE 13 ECM IGN FUSE 16 GROUND SERIAL DATA (-) SERIAL DATA (-) GRY WIRE GRY/BLK WIRE HDLP HI HEAD- LIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES DOOR LOCK FUSE HOT W/ RUN/ CRANK RELAY ENERGIZED IGN KEY IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) KEY SW SIG KEY-IN IGNITION SWITCH LEFT REAR DOOR LATCH (LEFT REAR DOOR) LF DR AJAR SW SIG DR AJAR SW SIG LOCK LOCK 8 6 LOGIC LOW SPD LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C OFF OFF/RUN/ CRANK VOLT ORG/BLK WIRE PASSENGER DOOR LATCH (FRONT PASSENGER'S DOOR) PASSENGER DOOR LOCK SWITCH PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL RADIO RED/WHT WIRE RESISTOR SIG RIGHT REAR DOOR LATCH (RIGHT REAR DOOR) RLY CTRL PARK LAMP RUN WIRE SECURITY IND SECURITY IND LOGIC SERIAL DATA GMLAN SW SIG SW SIG HORN RLY CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TELEMATIC VEHICLE LOCALIZATION AND IMMOBILIZATION CONTROL MODULE THEFT DETERRENT MODULE (TDM) (ON IGNITION KEY TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLK SIG UNLOCK VEHICLE COMMUNICATIONS INTERFACE MODULE (VCIM) (RIGHT SIDE OF DASH) W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLK WIRE

A/C CLU FUSE 1 A/C CLUTCH RELAY 34 A/C COMPRESSOR CLUTCH (FRONT OF A/C COMPRESSOR) A/C REQUEST SWITCH A/C RECIRCULATION REQUEST IND IND AMBIENT AIR TEMPERATURE SENSOR (CENTER FRONT OF ENGINE COMPT) AUTO BLK WIRE BLK/WHT WIRE BLOWER MOTOR SWITCH FRESH AIR IND BRN WIRE COMPT) COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE 17 COOL FAN 2 FUSE 18 COOL/ FAN 1 RELAY 28 COOL/ FAN 2 RELAY 30 COOL/FAN SER/PAR RELAY 29 DEFOG IND DEFOG SWITCH DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRESH AIR SWITCH GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED HVAC CONTROL MODULE (CENTER OF DASH) LEFT ENGINE COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LOGIC LOW REF LOW REF GND IGN 3 VOL BATTERY POSITIVE SERIAL DATA LOWER AIR TEMPERATURE SENSOR (LOWER CENTER OF HVAC MODULE) LOWER AIR TEMPERATURE SWITCH LT BLU WIRE LT GRN WIRE MODE SWITCH OFF ORG/ WIRE PPL RECIRCULATION SWITCH RED/WHT WIRE RIGHT ENGINE COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) SENS SIGNAL SENS SIGNAL SERIAL DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE UPPER AIR TEMPERATURE SENSOR (CENTER OF HVAC MODULE) UPPER AIR TEMPERATURE SWITCH WHT WIRE YEL WIRE

2.4L 3.6L 3.6L 4 58 35 55 LOW REF ECT SENS SIG 49 53 33 5 43 44 LOW SPD RLY CTRL HIGH SPD GMLAN DATA + HIGH SPD GMLAN DATA - 57 37 21 25 65 8 SENS SIG A/C REFRIGERANT PRESSURE SENSOR AIR TEMPERATURE ACTUATOR (CENTER OF HVAC MODULE) BLK WIRE BLOWER MOTOR CONTROL MODULE (REAR OF HVAC DASH) BODY CONTROL MODULE (BCM) (UNDER CENTER CONSOLE) BRN WIRE CLU RLY CTRL COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL LOW AMBIENT ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR EXCEPT 3.6L GRY WIRE GRY/BLK WIRE HIGH LOW HIGH SPD RLY CTRL HOT AT ALL TIMES HVAC CTRL (BATT) FUSE HVAC CTRL (IGN) FUSE LOGIC LOGIC LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PPL PPL 65 374 442 754 650 SPLY VOLTAGE SPD CTRL BATTERY POSITIVE REQ SIG GND RED/BLK WIRE RED/WHT WIRE RELAY RLY DRL CTRL AMBIENT DRV LIGHT SUNLOAD SENS SENS SIG SIG RUN RLY FUSE 19 RUN WIRE SUNLOAD SENSOR (CENTER OF DASH) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF WHT WIRE YEL WIRE YEL/BLK WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING, HEADLIGHTS SYSTEMS ANTI-THEFT SYSTEM BLK/WHT WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER CONSOLE) BRAKE PEDAL POSITION SENS SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL SW SIG DK GRN WIRE DK GRN/WHT WIRE DRL AMBIENT LIGHT SENS LOW REF DRL AMBIENT LIGHT SENS SIG FLASH TO PASS SW SIG FOG LAMP RLY CTRL GRY WIRE HAZARD SWITCH SIG HEADLIGHTS SYSTEM I/P LAMPS DIMMER SW SIG LOGIC LOW SPEED GMLAN SERIAL DATA LOW SPEED GMLAN SERIAL DATA LR TURN SIGNAL SW SIG RR TURN SIGNAL SW SIG REAR DEFOG SW SIG A/C REQUEST SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ORG/ WIRE PASS SEAT BELT IND SIG REAR DEFOG IND SPLY VOLT PNK/WHT WIRE PPL PPL/WHT WIRE SECURITY IND SPLY VOLT SUNLOAD SENS SIG SUNLOAD SENS SIG SUPPLEMENTAL RESTRAINTS SYSTEM DEFOGGER SYSTEM TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/BLK WIRE

25 65 8 43 57 37 21 53 380 2700 5514 2500 SENS SIG 3.6L A/C CLU FUSE 1 A/C CLUTCH RELAY 34 A/C REFRIGERANT PRESSURE SENSOR A/C REQ SIG A/C REQUEST IND A/C REQUEST SWITCH AUTOMATIC A/C BLK WIRE BODY CONTROL MODULE (BCM) (UNDER CENTER CONSOLE) CLU RLY CTRL COMPUTER DATA LINES SYSTEM DATA + HIGH SPD GMLAN DATA - DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXCEPT 3.6L GRY WIRE HIGH SPEED GMLAN SERIAL DATA (+) HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED HVAC CONTROL MODULE (CENTER OF DASH) LOGIC LOW REF HIGH SPD GMLAN LOW SPEED GMLAN SERIAL DATA MANUAL A/C MODE SWITCH ORG/BLK WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE TEMPERATURE CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)

2.4L 3.6L 3.6L BLK WIRE COMPUTER DATA LINES SYSTEM COOL FAN 1 FUSE 17 COOL FAN 2 FUSE 18 COOL/ FAN 1 RELAY 28 COOL/ FAN 2 RELAY 30 COOL/FAN SER/ PAR RELAY 29 DK BLU WIRE DK GRN WIRE ECT SENS SIG ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXCEPT 3.6L GRY WIRE HIGH SPD GMLAN DATA + HIGH SPD GMLAN DATA - HIGH SPD RLY CTRL HOT AT ALL TIMES LEFT ENGINE COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LOW REF LOW SPD RLY CTRL LT BLU WIRE RIGHT ENGINE COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF WHT WIRE YEL WIRE

2500 2501 COMPUTER DATA LINES SYSTEM 3.6L 2.4L (VIN B) 53 33 43 44 GMLAN SERIAL DATA BUS+ GMLAN SERIAL DATA BUS- 7 8 GMLAN GMLAN ACCELERATOR PEDAL POSITION SENSOR (APP) (LEFT SIDE OF DASH) AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR BRK POS SENS SIG BRN WIRE CLUSTER/THEFT FUSE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL SWITCH SIGNAL CRUISE INDICATOR LOGIC CRUISE ON IND CRUISE ON/OFF SWITCH DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (2.4L HO, 3.6L: LEFT FRONT OF ENGINE COMPT) EXCEPT 3.6L 3.6L GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY 32 ENERGIZED IBCM (RUN/ CRANK) FUSE 21 IBCM 1 FUSE 20 INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROL SWITCH LOGIC BODY CONTROL MODULE (BCM) (UNDER CENTER CONSOLE) LOW REF LOW SPEED GMLAN SERIAL DATA LT BLU WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/BLK WIRE RED/WHT WIRE RES+ RUN/CRANK FUSE SERIAL DATA B+ IGN GND SET- STOPLAMP SW TAN WIRE TAN/BLK WIRE THROTTLE BODY (FRONT CENTER OF ENGINE COMPARTMENT) TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (2.4L HO, 3.6L: LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

25 65 8 57 37 21 SENS SIG 3.6L 30 49 53 54 CLU RLY CTRL HIGH SPD RLY CTRL 4 58 35 55 LOW REF ECT SENS SIG 5 43 44 49 53 33 LOW SPD RLY CTRL HIGH SPD GMLAN HIGH SPD GMLAN A/C REFRIGERANT PRESSURE SENSOR AMBIENT AIR TEMP AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) BLK WIRE BLOWER MOTOR (RIGHT SIDE OF BODY CONTROL MODULE (BCM) (UNDER CENTER BRN WIRE COMPUTER DATA LINES SYSTEM CONSOLE) DATA LINK CONNECTOR (DLC) (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL LOW LOW SPEED SPEED A/C SENS ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR EXCEPT 3.6L GRY WIRE HIGH HIGH HOT AT ALL TIMES HVAC BLOWER FUSE HVAC BLOWER HIGH RELAY HVAC CTRL (BATT) FUSE HVAC MODULE LOGIC LOW REF LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK/WHT WIRE PPL RED/WHT WIRE RELAY RUN WIRE TAN WIRE TAN/BLK WIRE WHT WIRE YEL WIRE YEL/BLK WIRE