Chevrolet Impala IX (2006-2016) computer data lines system Wiring diagrams

2.4L BATT POSI VOLT BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL FAN HI FUSE COOL FAN LO FUSE COOL TEMP SENS LO COOLING FAN HIGH SPEED RELAY COOLING FAN LOW SPEED RELAY COOLING FAN SPEED CONTROL RELAY DK BLU WIRE ECM BATT FUSE ENG COOLANT TEMP SENS SIG ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE GAUGE EXCEPT 2.4L FAN RLY A FUSE GRN/VIO WIRE GRY WIRE GRY/VIO WIRE HI SPD COOLING FAN RLY CTRL HI SPD GMLAN SERIAL DATA (-) 1 HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE BLOCK FUSE INSTRUMENT CLUSTER LEFT COOLING FAN MOTOR (BEHIND LEFT SIDE OF RADIATOR) LO SPD COOLING FAN RLY CTRL LOGIC MOST SERIAL DATA (+) LT GRN/VIO WIRE MOST SERIAL DATA (+) OF ENGINE COMPT) RED WIRE RED/BRN WIRE RED/WHT WIRE RIGHT COOLING FAN MOTOR (BEHIND RIGHT SIDE OF RADIATOR) UNDERHOOD FUSE BLOCK (RIGHT SIDE WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE YEL WIRE

34 53 39 40 ACC PEDAL POS SIG (2) ACC PEDAL POS LO REF (2) 7 13 BRK APPLY SENS SIG ACCELERATOR PEDAL POSITION SENSOR (APP) (TOP OF ACCELERATOR PEDAL ASSEMBLY) BATT RCV FUSE BATTERY POSITIVE VOLT BLK/BRN WIRE BLK/DK BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRK APPLY SENS LO REF BRK APPLY SENS SPLY VOLT BRN WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SW SIG CRUISE IND CRUISE/ETC/TCC BRK SIG DATA DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY ECM BATT FUSE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) GRY/LT GRN WIRE HI SPEED GMLAN SERIAL DATA (-) 1 HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LIGHTING CTRL SW REF LO SPEED GMLAN SERIAL LOGIC LT GRN WIRE LT GRN/WHT WIRE RED/BRN WIRE RED/YEL WIRE SERIAL DATA (+) 1 HI SPEED GMLAN SERIAL DATA (-) 1 THROTTLE BODY (FRONT OF INTAKE MANIFOLD) UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) UP/DOWN SWITCH SIGNAL WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

3.6L 2.5L, 2.4L HYBRID AUTOMATIC TRANSMISSION ASSEMBLY BATT POS VOLT BEHIND REAR SEATS) BLK WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE BRN WIRE BRN/GRN WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM COMU ENABLE CONTROL SOLENOID VALVE ASSEMBLY DISTANCE SENSING CRUISE CONTROL MODULE (BEHIND UPPER GRILLE OPENING) DK BLU WIRE DK BLU/YEL WIRE FUSE GRY/GRN WIRE GRY/LT GRN WIRE HI SPEED GMLAN HOT AT ALL TIMES HYBRID EXCEPT HYBRID HYBRID/EV POWERTRAIN CONTROL MODULE LEFT STEERING WHEEL CONTROLS SWITCH PEDAL ASSEMBLY) RED/DK BLU WIRE RES+ SENSOR SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA 2 SET- STARTER/GENERATOR CONTROL MODULE HYBRID/EV BATTERY PACK (LUGGAGE COMPARTMENT, STEERING WHEEL AIR BAG COIL TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION INPUT SHAFT SPEED TRANSMISSION OUTPUT SHAFT SPEED SENSOR UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 SERIAL DATA + SERIAL DATA - SERIAL DATA + SERIAL DATA - 1 2 3 4 5 6 DATA (-) DATA (-) DATA (+) DATA (+) VOLT GND 1 2 BATT POS VOLT GND 2500 2501 6045 COMPUTER DATA LINES SYSTEM 9 8 17 DATA + DATA - SPLY VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (IN BRAKE PRESSURE MODULATOR VALVE) FUSE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LT GRN WIRE POWER STEERING CONTROL MODULE (MOUNTED TO STEERING GEAR) RED/YEL WIRE SERIAL DATA + SERIAL DATA - SERIAL DATA + SERIAL DATA - SERIAL DATA + STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) SYSTEM WHT WIRE WHT/DK BLU WIRE

1 2 3 4 5 6 DATA (-) DATA (-) DATA (+) DATA (+) VOLT GND 1 2 3 4 5 SERIAL DATA SERIAL DATA + SERIAL DATA + SERIAL DATA - SERIAL DATA - 1 2 GND BATT POS VOLT 9 8 17 DATA + DATA - SPLY VOLT BATTERY FUSE BLOCK BLK WIRE BLK/BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (IN BRAKE PRESSURE MODULATOR VALVE) FUSE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC LT GRN WIRE POWER STEERING CONTROL MODULE (MOUNTED TO STEERING GEAR) RED/YEL WIRE STEERING ANGLE SENSOR (BASE OF STEERING COLUMN) SYSTEM WHT WIRE WHT/DK BLU WIRE

18 12 RIGHT REAR SIG LEFT REAR SIG 18 13 HEAD LP HIGH RLY CTRL HEAD LP LOW RLY CTRL 2 4 DR LOCK CTRL (2) ACTR UNLOCK CTRL 20 24 B+ HOOD STATUS B SIG 22 6 SW LOCK CTRL SW UNLOCK CTRL 24 25 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 25 14 SW LOCK SIG SW UNLOCK SIG 3 2 BAT POS VOLT GROUND BATT RVC BCM 3 FUSE BCM 5 FUSE BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/VIO WIRE DR LOCK CTRL (2) DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH FUSE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/LT GRN WIRE HEADLIGHTS SYSTEM HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT KICK PANEL) LF DR AJAR LH PARK LP SPLY VOLT LIFTGATE AJAR SW SIG LOGIC MTR STATUS REAR COMPARTMENT LID LATCH RED WIRE RED/BLK WIRE RED/YEL WIRE RH PARK LP SPLY VOLT SCTY IND CTRL SCTY LOCK RLY CTRL SW SIG UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/VIO WIRE

"A" PILLAR) BLK WIRE BRN/YEL WIRE CHILD SECURITY LOCK DISABLE RELAY COMPUTER DATA LINES SYSTEM DISPLAY IGN FUSE DRIVER INFORMATION CENTER DISPLAY GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE GRY/VIO WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LOGIC RIGHT REAR WINDOW SWITCH RIGHT FRONT RIGHT REAR DOOR LATCH ASSEMBLY RR DR AJAR SW SIG SECURITY IND UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/YEL WIRE WHT/DK BLU WIRE WHT/GRN WIRE

BATT POS VOLT BATT POSIT VOLT BATTERY ENERGY CONTROL MODULE BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CAN BUS HIGH 2 SERIAL DATA CAN BUS LOW 2 SERIAL DATA COMPUTER DATA LINES SYSTEM COOLANT PUMP RLY COIL CTRL COOLANT TEMP SENS SIG DK BLU WIRE ENGINE CONTROL IGNITION RELAY FAN SPD SENS SUPPLY VOLT FAN SPD SIG (1) FAN SPD SIG (2) FUSE GRN WIRE GROUND GRY WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA + HI SPD GMLAN SERIAL DATA - HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE BLOCK FUSE HYBRID/EV BATTERY PACK (LUGGAGE COMPT, BEHIND REAR SEATS) HYBRID/EV BATTERY PACK COOLING FAN (RIGHT SIDE LUGGAGE COMPT) HYBRID/EV BATTERY SECTION 1 HYBRID/EV BATTERY SECTION 2 HYBRID/EV BATTERY TEMPERATURE SENSOR 1 HYBRID/EV BATTERY TEMPERATURE SENSOR 2 HYBRID/EV BATTERY TEMPERATURE SENSOR 3 HYBRID/EV BATTERY TEMPERATURE SENSOR 4 HYBRID/EV BATTERY TEMPERATURE SENSOR 5 HYBRID/EV BATTERY TEMPERATURE SENSOR 6 HYBRID/EV POWERTRAIN CONTROL MODULE STARTER/GENERATOR CONTROL MODULE INLET HYBRID/ EV BATTERY AIR PACK TEMPERATURE SENSOR LOGIC LT GRN/VIO WIRE MGU COOL PMP FUSE ORG/ WIRE ORG/GRY WIRE PNK/BLK WIRE POWER PACK FUSE RED WIRE RED/BRN WIRE RED/DK BLU WIRE SENS LOW REF STARTER/ GENERATOR COOLANT PUMP (ON RADIATOR FAN ASSEMBLY) STARTER/ GENERATOR COOLANT PUMP RELAY STARTER/ GENERATOR COOLANT TEMPERATURE SENSOR UNDERHOOD FUSE BLOCK VIO WIRE WAKEUP SER DATA WHT WIRE WHT/ORG WIRE YEL WIRE YEL/GRN WIRE

"A" PILLAR) 20 24 BATTERY POSITIVE VOLT HOOD STATUS B SIG 24 25 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 2501 2500 COMPUTER DATA LINES SYSTEM 3 2 BAT POS VOLT GROUND BATTERY POSITIVE VOLT BCM 3 FUSE BCM 5 FUSE BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/DK GRN WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY IGN FUSE DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY FUSE GRN/PPL WIRE GRY/BLK WIRE GRY/VIO WIRE HOOD STATUS A SIGNAL HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT KICK PANEL) HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) BATT RVC HOT W/ IGNITION MAIN RELAY ENERGIZED HYBRID/EV BATTERY PACK (LUGGAGE COMPT, BEHIND REAR SEATS) INSTRUMENT CLUSTER LINEAR INTERCONNECT NETWORK BUS 11 LOGIC LT GRN/GRY WIRE PPL RED WIRE RED/BLK WIRE RED/YEL WIRE SECURITY IND STARTER/GENERATOR CONTROL MODULE VEHICLE ANTI-THEFT SYS IMMOBILIZER RTN VEHICLE ANTI-THEFT SYS IMMOBILIZER VOLT VIO/GRY WIRE W/ KEYLESS ENGINE START WHT WIRE WHT/GRN WIRE YEL WIRE

1 2 3 4 BATTERY POSITIVE VOLTAGE GROUND 5 6 DOWN SWITCH SIGNAL BLK WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM FORWARD SWITCH SIGNAL GROUND GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT KICK PANEL) LINEAR INTERCONNECT NETWORK BUS 8 LT GRN/BRN WIRE LT GRN/WHT WIRE REARWARD SWITCH SIGNAL RED/BRN WIRE STEERING COLUMN POSITION CONTROL MODULE STEERING COLUMN TELESCOPE MOTOR STEERING COLUMN TILT MOTOR STEERING COLUMN TILT, TELESCOPE SWITCH TELESCOPE MOTOR FORWARD TELESCOPE MTR REARWARD TELESCOPE MTR RETURN TELESCOPE MTR SIGNAL TILT MOTOR DOWN CONTROL TILT MOTOR RETURN TILT MOTOR SIGNAL TILT MOTOR UP CONTROL TILT/TELE FUSE UP SWITCH SIGNAL VIO/GRY WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE