Chevrolet Impala IX (2006-2016) low ref Wiring diagrams

24 25 1 SERIAL DATA (-) SERIAL DATA (+) GND 2501 2500 1650 COMPUTER DATA LINES SYSTEM 5 VOLT REF 7493 7494 COMPUTER DATA LINES SYSTEM ACCESSORY VOLTAGE APPLY SENS SIG BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK POS SENS SIG COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE DLIS FUSE BLOCK FUSE (RIGHT KICK PANEL) ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) 16 17 GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES IGNITION SWITCH (W/O KEYLESS ENGINE START SWITCH) INSTRUMENT PANEL KEY CAPTURE SOLENOID ACTUATOR KEY-IN SWITCH LOW REF OFF OFF/RUN/CRANK VOLTAGE PARK POSITION SWITCH RED/WHT WIRE RUN WIRE SERIAL DATA (-) SERIAL DATA (+) SHIFT POS SIG SUPPLY VOLTAGE TRANSMISSION SHIFT LEVER UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO/YEL WIRE WHT WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/VIO WIRE

1 3 BATT POS VOLT BATT POS VOLT 5 VOLT REF 8 15 LED DM SIG LOW REF BATT POS VOLT BCM 1 FUSE BCM 2 FUSE BCM 5 FUSE BLK WIRE BLK/DK BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIMMER SW LOW REF DIMMER SW SIG DK BLU WIRE DK BLU/RED WIRE DOME LAMP SWITCH DRIVER DOOR LOCK SWITCH DRIVER SEAT MEMORY SWITCH (W/ MEMORY) GARAGE DOOR OPENER (IF EQUIPPED) GRN/BLK WIRE GRY WIRE HAZARD LED DIMMING SIGNAL HI SPD GMLAN SERIAL DATA (-) HAZARD WARNING SWITCH HEAD HEADLAMP SW PARK LP SIG HOT AT ALL TIMES IND DIMMING CTRL INSTRUMENT PANEL DIMMER SWITCH INSTRUMENT PANEL FUSE BLOCK (RIGHT KICK PANEL) LAMPS) LED BACKLIGHT DIMMING CTRL LEFT FRONT DOME/ READING LEFT STEERING WHEEL CONTROLS SWITCH LIN INTRCON NET BUS LO SPD GMLAN SERIAL DATA LOGIC LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LOW REF LT BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE MEMORY SW MIRROR CONTROL MODULE OUTSIDE REARVIEW MIRROR SWITCH (W/ MEMORY) OUTSIDE REARVIEW MIRROR SWITCH (W/O MEMORY) PARK AUTO OFF PASSENGER DOOR LOCK SWITCH PNK PNK WIRE PNK WIRE REAR DOME READING LAMPS RED WIRE RED/BRN WIRE RED/WHT WIRE RIGHT FRONT DOME/ READING SEAT MEMORY CONTROL MODULE STEERING WHEEL HEATING CONTROL MODULE SUNROOF SWITCH (IF EQUIPPED) TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE YEL/GRY WIRE

AUDIO SIG + BATT POS VOLT BK USB SRL DATA BLK WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU (OR GRY/YEL) WIRE BLU WIRE CAMERA SIGNAL 2 CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX 1 2 3 4 5 COAXIAL ANTENNA GPS SIG COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DK BLU (OR BLU) WIRE DK BLU WIRE DRAIN WIRE GMLAN SERIAL DATA GPS GPS/CELL GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE (FRONT RIGHT INSTRUMENT PANEL) LOW REF MICROPHONE MOST CONTROL MOST SERIAL DATA (+) NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE SER DATA SIG SIGNAL GROUND USB RECEPTACLE USB SRL DATA VOICE RECOGNITION AUDIO SIG VOICE SIG W/ DIGITAL AUDIO SYSTEM S-BAND, HD W/ ONSTAR W/O ONSTAR W/O DIGITAL AUDIO SYSTEM S-BAND, HD WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/LT BLU WIRE WHT/VIO WIRE YEL WIRE

2.4L, 2.5L CONTROL SOLENOID VALVE ASSEMBLY 3.6L 5 6 ACC VOLT RUN/CRANK ACC LED LED SIG ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/GRY WIRE BODY CONTROL MODULE BPIM BATT FUSE BRN WIRE CANN VENT FUSE COOL COOLING FAN HIGH SPEED RELAY DK BLU WIRE DK BLU/BLK WIRE EVAPORATIVE EMISSION VENT SOLENOID VALVE EXCEPT HYBRID EXCEPT HYBRID HYBRID FROM HEADLAMP HIGH BEAM RELAY (DIAGRAM 5 OF 6) FROM INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 6) FUSE HYBRID EXCEPT HYBRID IGN IGN 1 VOLT IGNITION MODE SWITCH (W/ KEYLESS ENGINE START SWITCH) IGNITION SWITCH (W/O KEYLESS ENGINE KEY-IN IGNITION SWITCH KEYLESS ENTRY CONTROL MODULE LED SIG 22 15 LOW REF LT GRN/BLK WIRE LT GRN/VIO WIRE MODE CTRL MODE VOLT OFF PPL RED/BRN WIRE RED/GRN WIRE RED/LT GRN WIRE RED/WHT WIRE RUN WIRE RUN/CRANK IGN 1 VOLT RUN/CRANK RLY COIL CTRL STARTER/GENERATOR CONTROL MODULE STARTER/GENERATOR CONTROL MODULE HYBRID/EV BATTERY PACK SWITCH TCM BATT FUSE TO UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 6) TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO/BLK WIRE VIO/YEL WIRE W/ KEYLESS ENGINE START SWITCH W/O KEYLESS ENGINE START SWITCH WHT WIRE YEL WIRE

AUDIO SIG + BATT POS VOLT BK USB SRL DATA BLK WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU (OR GRY/YEL) WIRE BLU WIRE CAMERA SIGNAL 2 CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COAX 1 2 3 4 5 COAXIAL ANTENNA GPS SIG COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM DK BLU (OR BLU) WIRE DK BLU WIRE DRAIN WIRE GMLAN SERIAL DATA GPS GPS/CELL GRN/WHT WIRE GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE (FRONT RIGHT INSTRUMENT PANEL) LOW REF MICROPHONE MOST CONTROL MOST SERIAL DATA (+) NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE SER DATA SIG SIGNAL GROUND USB RECEPTACLE USB SRL DATA VOICE RECOGNITION AUDIO SIG VOICE SIG W/ DIGITAL AUDIO SYSTEM S-BAND, HD W/ ONSTAR W/O ONSTAR W/O DIGITAL AUDIO SYSTEM S-BAND, HD WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/LT BLU WIRE WHT/VIO WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 BATT POSITIVE VOL 11 12 13 14 15 16 17 18 19 20 GROUND AM/FM ANTENNA AUXILIARY AUDIO INPUT BK COAX AM/FM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BN USB SERIAL DATA CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM CU COAX HD/XM DK BLU WIRE DRAIN WIRE FM/RFR GRN/BLU WIRE GROUND GRY WIRE GRY/VIO WIRE GY NAVI DISPLAY SIG HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT KICK PANEL) LOGIC LOW REF LOW REF TELEPHONE VOICE SIG LT GRN WIRE MEDIA DISC PLAYER MOST CONTROL NCA WIRE NETWORK BUS 10 GMLAN SERIAL DATA POSITIVE VOLTAGE RADIO RDO FUSE RED/VIO WIRE RFR SER DATA SERIAL DATA TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (TOP OF REAR WINDOW SHELF) VIO WIRE VOICE SIG WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

2.4L 2.5L 3.6L 2.5L 3.6L (OR 24 25 1 SERIAL DATA (-) SERIAL DATA (+) GND 2500 2501 COMPUTER DATA LINES SYSTEM 39 40 SERIAL DATA (+) SERIAL DATA (-) 5 VOLT REF 7493 7494 COMPUTER DATA LINES SYSTEM APPLY SENS SIG AUTOMATIC TRANSMISSION ASSEMBLY BCM 6 FUSE BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK POS SENS SIG COMPUTER DATA LINES SYSTEM CONTROL SOLENOID ACTUATOR DK BLU WIRE DK BLU/GRY WIRE DK BLU/YEL WIRE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EXCEPT HYBRID GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES LOW REF PARK SIG RED WIRE RED/WHT WIRE SHIFT SOL CTRL SUPPLY VOLTAGE TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LOCK UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL/WHT WIRE

ACTUATOR HI CTRL ACTUATOR LOW CTRL BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BRN WIRE BRN/DK BLU WIRE BRN/LT GRN WIRE DK BLU BLK/ WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DK BLU/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EXHAUST SENS 1 SIG EXHAUST SENS 2 SIG EXHAUST SOLEND (1) EXHAUST SOLEND (2) EXHAUST SPLY (1) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL GRY/DK BLU WIRE GRY/YEL WIRE IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INTAKE SENS 1 SIG INTAKE SENS 2 SIG INTAKE SENS SPLY 1 INTAKE SENS SPLY 2 INTAKE SOLEND (1) INTAKE SOLEND (2) LOW REF LT GRN WIRE LT GRN/BRN WIRE LT GRN/DK BLU WIRE NCA WIRE OIL PRESSURE SW SIG SPARK PLUG VIO WIRE VIO/BLK WIRE VIO/BRN WIRE VIO/DK BLU WIRE VIO/LT GRN WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL WIRE YEL/DK BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BRN WIRE BRN/LT GRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EXHAUST BANK 1 CAMSHAFT POSITION SENSOR (FRONT OF RIGHT CYLINDER BANK) EXHAUST SPLY (2) FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 GRY/BLU WIRE GRY/DK BLU WIRE GRY/YEL WIRE INTAKE BANK 1 CAMSHAFT POSITION SENSOR (FRONT OF RIGHT CYLINDER BANK) LOW REF LT BLU/WHT WIRE LT GRN WIRE LT GRN/BRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE VIO WIRE VIO/BLK WIRE VIO/DK BLU WIRE VIO/GRN WIRE VIO/GRY WIRE VIO/LT GRN WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

5-V 4 REF AIR TEMP SENS SIG BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/LT GRN WIRE BRN/RED WIRE BRN/WHT WIRE DK BLU VIO/ WIRE DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EVAP PURGE SOL CTRL MAF SENS SIG CHARGE IND SIG LOW REF DUTY CYCLE SIG FUEL RAIL PRESSURE SENSOR (REAR OF ENGINE ON FUEL RAIL) GROUND GRY WIRE GRY/RED WIRE GRY/WHT WIRE HI BANK 1 SENS (1) HI BANK 1 SENS (2) HI BANK 2 SENS (1) HI BANK 2 SENS (2) KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENSOR 1 (RIGHT SIDE OF ENGINE) KNOCK SENSOR 2 (LEFT SIDE OF ENGINE) LOW BANK 1 SENS (1) LOW BANK 2 SENS (1) LOW BANK 1 SENS (2) LOW BANK 2 SENS (2) LOW REF LOW REF SENS SIG LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (REAR TOP OF ENGINE) MAP SENS SIG 5-V 3 REF MASS AIR FLOW SENS SIG THROTTLE ACTU CTRL LOW REF 5-V 1 REF FRP SENS SIG MULTIFUNCTION INTAKE AIR SENSOR (IN AIR CLEANER DUCT) OIL LEVEL SW SIG STARTING/ CHARGING STARTING/ CHARGING SYSTEM SYSTEM 1716 2303 THROTTLE BODY (REAR OF INTAKE MANIFOLD) TRANSMISSIONS SYSTEM VIO/ DK BLU WIRE VIO/DK BLU WIRE VIO/GRY WIRE VIO/LT GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/DK BLU WIRE YEL/WHT WIRE