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

1 18 5 INADVERTENT COURTESY LP COURTESY LP SW ON SIG COURTESY LP SPLY VOLT 10 2 GMLAN SERIAL DATA BATTERY POSITIVE VOLTAGE AUXILIARY READING LAMP (W/ DOME PASSENGER LAMP) BATTERY POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DOME DOME/ READING LAMPS DRIVER DOOR LOCK (DRIVER'S DOOR) EMERGENCY VEHICLE REAR COMPARTMENT GRY WIRE GRY/BLK WIRE HEADLAMP SWITCH HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) LT SPOT FUSE HTD/ SEAT FUSE PANEL) I/P FUSE BLOCK (RIGHT KICK INSIDE REARVIEW MIRROR INT LIGHTS FUSE INT LTS/ PNL DIM FUSE LEFT EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP LEFT I/P COURTESY LAMP LEFT REAR DOOR LOCK (LEFT REAR DOOR) LEFT SUNSHADE (IF EQUIPPED) LF DOOR OPEN SW SIG LID LAMPS RELAY (IF EQUIPPED) (RIGHT SIDE OF TRUNK) LT GRN/BLK WIRE NCA WIRE OFF ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK (FRONT PASSENGER'S DOOR) PNK/BLK WIRE REAR COMPARTMENT COURTESY LAMP REAR COMPARTMENT LID AJAR SW COURTESY LP SPLY VOLT PASS DOOR OPEN SW SIG 12 1 16 REAR COMPARTMENT LID RELEASE ACTUATOR (ON DECK LID LATCH ASSEMBLY) RED WIRE RED/WHT WIRE RIGHT EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP RIGHT I/P COURTESY LAMP RIGHT REAR DOOR LOCK (RIGHT REAR DOOR) RIGHT SUNSHADE (IF EQUIPPED) RT SPOT FUSE TAN WIRE TO DOME LAMP) W/ ONSTAR W/O ONSTAR W/O THEFT DETERRENT SYSTEM W/ THEFT DETERRENT SYSTEM WHT WIRE

1 3 5 BATT POSITIVE VOLT BATT POSITIVE VOLT RF TURN SIG LAMP 13 12 LF TRL TURN SIG LP RT TRL TURN SIG LP 14 15 13 10 LOW REF 5 VOLT REF STOP LAMP SW SIG SERIAL DATA 19 16 15 HAZARD SW SIG RIGHT TURN SW SIG LEFT TURN SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/BLK WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY GRY WIRE HAZARD HEAD HEADLAMP SWITCH HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER (IPC) LAMP LEFT LEFT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP (IF EQUIPPED) LEFT FRONT LEFT PARK/ TURN SIGNAL LEFT SPOT LAMP LEFT TURN INDICATOR LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT PARK FUSE LT SPOT FUSE LT T/SIG FUSE MARKER LAMP NCA WIRE ORG/ WIRE PARK AUTO OFF PARK LAMP SW SIG PARK LP PCB RELAY POLICE PPL RED WIRE RED/WHT WIRE RIGHT RIGHT FRONT MARKER LAMP RIGHT PARK/ RIGHT SPOT LAMP RIGHT TURN INDICATOR RT PARK FUSE RT SPOT FUSE RT T/SIG FUSE SERIAL DATA SERIAL DATA IGN TAN WIRE TURN SIGNAL LAMP TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE

10 21 GMLAN SER DATA FOG LMP SW SIG 12 17 11 HEADLAMP ON SW HEADLAMP OFF SW AMB LMP SENS SIG 23 16 11 DRL PCB RLY CTRL HI BEAM RLY CTRL FOG LMP RLY CTRL AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRL 1 FUSE DRL RELAY FOG LAMP SWITCH FOG LAMPS FUSE FOG LP RELAY FTP GRN WIRE GRY WIRE HEAD PARK AUTO HEADLAMP SWITCH HIGH BEAM RELAY HIGH PPL HOT AT ALL TIMES IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LOGIC LOW BEAM RELAY LOW BEAM RLY CTRL LT GRN WIRE LT GRN/BLK WIRE LT LO BEAM FUSE DRL 2 FUSE OFF ORG/ WIRE ORG/BLK WIRE PARK BRAKE SW PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE PPL PPL 18 25 DIMMER SW HI BM SIG FTP SW SIG RIGHT FRONT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE LT HI BEAM FUSE RT LO BEAM FUSE SER DATA FOG LAMP IND IGN SER DATA HIGH BEAM IND LO SPD GMLAN SER DATA TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

10 21 GMLAN SER DATA FOG LMP SW SIG REAR LMP FLASH SIG 12 17 11 HEADLAMP ON SW HEADLAMP OFF SW AMB LMP SENS SIG 23 16 11 DRL PCB RLY CTRL HI BEAM RLY CTRL FOG LMP RLY CTRL AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/YEL WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/RED WIRE DK GRN/WHT WIRE DRL 1 FUSE DRL RELAY EMERGENCY VEHICLE HEADLAMP FLASHER (ON LEFT SIDE OF RIGHT HEADLIGHT ASSEMBLY) FOG LAMP SWITCH FOG LAMPS FUSE FOG LP RELAY FTP GND HI BEAM SPLY VOLT BATT POS VOLT HI BEAM SPLY VOLT FLASHER SIG FLASHER SIG GRN WIRE GRY WIRE HDLP MDL FUSE HEAD PARK AUTO HEADLAMP SWITCH HI BEAM SPLY VOLT HIGH BEAM RELAY HIGH PPL HOT AT ALL TIMES IGN LEFT FRONT FOG LAMP LEFT LOW BEAM HEADLAMP LEFT RIGHT HIGH BEAM HIGH BEAM HEADLAMP HEADLAMP LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW BEAM RELAY LOW BEAM RLY CTRL LT GRN WIRE LT GRN/BLK WIRE LT LO BEAM FUSE DRL 2 FUSE OFF ORG/ WIRE ORG/BLK WIRE PARK BRAKE SW PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE PPL PPL 18 25 DIMMER SW HI BM SIG FTP SW SIG RED WIRE RED/WHT WIRE RIGHT FRONT FOG LAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE LT HI BEAM FUSE RT LO BEAM FUSE SER DATA FOG LAMP IND IGN SER DATA HIGH BEAM IND LO SPD GMLAN SER DATA TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) W/ FLASHER HEADLAMP W/O FLASHER HEADLAMP W/O FLASHER HEADLAMP W/ FLASHER HEADLAMP WHT WIRE YEL WIRE

17 16 GMLAN SERIAL DATA - GMLAN SERIAL DATA + 40 39 26 25 GMLAN SERIAL DATA- GMLAN SERIAL DATA+ LOW REF FUEL LVL SENS SIG ABS IND. AIR BAG IND AIR BAG/ DISPLAY BATT POS VOLT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRAKE WARNING IND CTRL BRN WIRE BRN/WHT WIRE CHARGING IND COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIC SELECT MENU SW SIG DIC SW LOW REF DIC SW SIG DISPLAY FUSE DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER INFORMATION CENTER (DIC) SWITCH ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMP. GAUGE ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE (EOP) SWITCH (LEFT FRONT OF ENGINE BLOCK) FRONT FOG LAMP IND FUEL GAUGE FUEL LEVEL SENSOR FUEL PUMP, SENDER ASSEMBLY (TOP OF FUEL TANK) FUSE GRY WIRE GRY/BLK WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGN MAIN PCB RELAY ENERGIZED IGN IGN 1 VOLT ILLUM (4 BULBS) INSTRUMENT PANEL CLUSTER (IPC) LEFT TURN IND LOGIC LOW SPD GMLAN SERIAL DATA LOW TIRE PRESSURE IND LOW WASHER FLUID IND CTRL LT (FLOOR, RIGHT OF FRONT PASSENGER'S SEAT) LT BLU/BLK WIRE LT GRN/BLK WIRE MALFUNCTION IND LAMP (MIL) MIL CTRL OF ENGINE) OIL LEVEL IND OIL PRESS SENS SIG ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (PARK BRAKE ASSEMBLY) PASS AIR BAG OFF IND CTRL PASS AIR BAG ON IND CTRL PASS SEAT BELT IND CTRL PASSENGER DOOR LOCK (FRONT PASSENGER'S DOOR) PNK WIRE PPL PPL PNK WIRE REAR COMPARTMENT LID RELEASE ACTUATOR (ON DECK LID LATCH ASSEMBLY) RED WIRE RED/WHT WIRE RIGHT REAR DOOR LOCK (RIGHT REAR DOOR) RIGHT TURN IND SEAT BELT IND SECURITY IND SET/ RESET SPEEDOMETER SPEEDOMETER IND STABILITY CONTROL OFF IND SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TACHOMETER IND TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VEHICLE INFOR- MATION CUSTOMI- ZATION W/ THEFT DETERRENT W/O THEFT DETERRENT WARNING SYSTEMS WHT WIRE WIPER/WASHER SYSTEM

2 3 8 BATTERY POSITIVE VOLTAGE I/P LAMP SUPPLY VOLTAGE SW ON SIG AUTO BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CHMSL/ BCK-UP FUSE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER WINDOW SWITCH GRY WIRE HEAD PARK HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROL MODULE I/P LAMP SUPPLY VOLTAGE ILLUM INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (UNDER STEERING WHEEL) INSTRUMENT PANEL CLUSTER (IPC) INT LTS/ PNL DIM FUSE LEFT STEERING WHEEL CONTROL SWITCH LT GRN/BLK WIRE NCA WIRE OFF ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH PPL PPL PPL PPL/ PPL/ PPL/ PPL/WHT WIRE RADIO RED WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROL SWITCH STRG WHEEL FUSE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE

B+ LOGIC BATT POSITIVE VOL BLK/WHT WIRE BLUE TOOTH WIRELESS COMMUNICATION INTERFACE ANTENNA- (UPF) BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE CELLULAR, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM MIRRORS SYSTEM COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE CELLULAR MIC SIG DRAIN WIRE GARAGE DOOR OPENER (GDO) GND KEYPAD SUPPLY VOL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES KEYPAD GREEN LED SIG KEYPAD RED LED SIG WIRE LOW SPD GMLAN DATA LT BLU WIRE LT GRN/BLK WIRE MIRRORS SYSTEM NCA WIRE ON STAR FUSE ORG/BLK WIRE RED/WHT WIRE SOUND SYSTEMS TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (LEFT REAR OF TRUNK) W/ UNIVERSAL OPENER GARAGE DOOR W/O UNIVERSAL OPENER GARAGE DOOR YEL/BLK WIRE

1 2 3 4 B+ SERIAL DATA 10 1 SERIAL DATA GROUND 10 16 B+ HI BEAM RELAY 12 11 LOCK SIG UNLOCK SIG 18 24 HORN RLY CTRL PRK LMP RLY CTRL 18 9 12 LOCK SIG UNLOCK SIG LID AJAR SW SIG 28 1080 HORNS SYSTEM EXTERIOR LIGHTS SYSTEM AJAR BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) CLOSED KEYLESS ENTRY) (PART OF HOOD LATCH) COAX COAX ANTENNA SIG COMPUTER DATA LINES SYSTEM DISPLAY FUSE DK BLU WIRE DK GRN/RED WIRE DOOR LOCK PCB RELAY DOOR UNLOCK PCB RELAY DR/LCK FUSE DRIVER DOOR LOCK SWITCH LOCK UNLOCK DRIVER DOOR UNLOCK PCB RELAY GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HAZARD SW SIG HEADLIGHTS SYSTEM HOOD AJAR SW HOOD AJAR SWITCH (W/ REMOTE HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT KICK PANEL) INTERIOR LIGHTS SYSTEM LT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK PNK WIRE PNK/BLK WIRE PPL PPL 3 4 5 PPL HOOD CLOSED SW REAR COMPARTMENT LID RELEASE ACTUATOR (ON DECK LID LATCH ASSEMBLY) RED WIRE RED/WHT WIRE RVC SEN FUSE SWITCH LOCK UNLOCK TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

2 3 PPL 5291 6386 STARTING/CHARGING SYSTEM A/C COMPRESSOR CLUTCH RLY CTRL A/C REFRIGERANT PRESS SENS SIG AIR CONDITIONING SYSTEM AIR SENS SIG THROTTLE POS SENS SIG APP SENS 1 SIG APP SENS 2 SIG BLK WIRE BLK/WHT WIRE BPP SIG BRN WIRE BRN/WHT WIRE CNSTR FUSE COMPUTER DATA LINES SYSTEM COOLING FAN RLY CTRL COOLING FANS SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EVAP CANISTER VENT SOL CTRL IGN VOL LOW REF EXTERIOR FUEL COMPOSITION SENS SIG GMLAN SERIAL DATA BUS + GMLAN SERIAL DATA BUS - FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP RLY CTRL FUEL TANK PRESSURE SENSOR (FUEL PUMP/ SENDER ASSEMBLY) FUEL TANK PRESSURE SENSOR SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT KICK PANEL) IGN VOL STARTER RLY CTRL LIGHTS SYSTEM LOW REF LOW REF LOW REF BRAKE PEDAL SW SIG PPL LOW SPD COOLING FAN RLY CTRL LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MIL CTRL NCA WIRE ORG/BLK WIRE PNK IGN VOL BATT POS VOL LOW REF WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN RLY CTRL IGN VOL PPL PPL FUEL LEVEL SENS SIG SENS LOW REF PPL PPL PPL/WHT WIRE RED/WHT WIRE SENSOR ASSEMBLY (TOP OF FUEL TANK) TAN WIRE TAN/BLK WIRE WAKE UP SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/WHT WIRE

BATT POS VOL BLK WIRE BRN WIRE BRN/WHT WIRE COLUMN) COMM ENABLE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRAIN WIRE DRIVER INFORMATION CENTER DISPLAY ECM FUSE ECM/TCM FUSE EMISSIONS ENGINE COOLANT TEMPERATURE SENSOR (LEFT REAR OF LEFT CYLINDER HEAD) ENGINE OIL IND FSCM AIR AIR FUSE PUMP SOL FUSE FUSE FUEL GAUGE FUEL PRESSURE SENSOR FUEL PUMP FLOW CONTROL MODULE (RIGHT REAR OF LUGGAGE COMPT) FUSE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ IGNITION 1 RELAY ENERGIZED IGN IGN 1 FUSE IGN 2 FUSE IGN VOL INSTRUMENT PANEL CLUSTER LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE MIL IND MTR LOW REF FUEL PUMP NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PRESS SENS SIG PUMP RLY CTRL PUMP SUPY VOL PWR/TRN RELAY RED/BLK WIRE RED/WHT WIRE SECONDARY AIR INJECTION (AIR) PUMP (LOWER LEFT REAR OF ENGINE) SER DATA BUS - SERIAL DATA SIR/ DISPL- AYS SS, NEAR STEER- ING TAN WIRE TAN/BLK WIRE TRANS- MISSIONS SYSTEM UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/WHT WIRE