Chevrolet Impala IX (2006-2016) logic Wiring diagrams

ASSEMBLY AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE BUS 2 NETWORK COIL CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN SER DATA GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT CLUSTER ISS HIGH SIGNAL ISS LOW SIGNAL LO SPD LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE OSS HIGH SIGNAL OSS LOW SIGNAL P/N PARK/ NEUTRAL SIG 1 POWER DISTRIBUTION SYSTEM RAP RLY RED WIRE SENSOR SER DATA (-) 1 HI SPD GMLAN TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INPUT SHAFT SPEED TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

ASSEMBLY AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE BUS 2 NETWORK COIL CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) FROM CONTROL SOLENOID VALVE ASSEMBLY (DIAGRAM 1 OF 2) GMLAN SER DATA GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT CLUSTER ISS HIGH SIGNAL ISS LOW SIGNAL LO SPD LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE OSS HIGH SIGNAL OSS LOW SIGNAL P/N PARK/ NEUTRAL SIG 1 POWER DISTRIBUTION SYSTEM RAP RLY RED WIRE SENSOR SER DATA (-) 1 HI SPD GMLAN TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INPUT SHAFT SPEED TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL WIRE

ASSEMBLY AUTOMATIC TRANSMISSION BLK WIRE BUS 2 NETWORK COIL CTRL COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE (INSIDE AIR CLEANER ASSEMBLY) GMLAN SER DATA GRN WIRE GRY WIRE GRY/VIO WIRE INSTRUMENT CLUSTER ISS HIGH SIGNAL ISS LOW SIGNAL LO SPD LOGIC LOW REF LT GRN WIRE LT GRN/DK BLU WIRE OSS HIGH SIGNAL OSS LOW SIGNAL P/N PARK/ NEUTRAL SIG 1 RAP RLY RED WIRE SENSOR SER DATA (-) 1 HI SPD GMLAN TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION INPUT SHAFT SPEED TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION OUTPUT SHAFT SPEED TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P TRANSMISSION SHIFT LEVER POSITION INDICATOR WHT WIRE WHT/GRY WIRE YEL 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

AIR BAG DISPLAY FUSE AJAR DOOR LOCK AJAR INDICATOR SWITCH BLK WIRE COMPUTER DATA LINES SYSTEM LOW SPEED GMLAN SERIAL DATA DK GRN/BLK WIRE DOOR LOCK ACTUATOR DOOR LOCK AJAR INDICATOR AJAR DOOR LOCK AJAR INDICATOR SWITCH AJAR DOOR LOCK OPEN INDICATOR SWITCH OPEN DRIVER DOOR LOCK (DRIVER'S DOOR) DRIVER INFORMATION CENTER (DIC) DISPLAY GRY WIRE GRY/BLK WIRE HOT W/ IGN MAIN PCB RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR LOCK (LEFT REAR DOOR) LOGIC LT BLU/BLK WIRE LT GRN/BLK WIRE OPEN DOOR LOCK OPEN INDICATOR SWITCH ORG/ WIRE PASSENGER DOOR LOCK (FRONT PASSENGER'S DOOR) PNK IGN 1 VOLT WIRE PNK WIRE PPL PPL 3 4 5 RIGHT REAR DOOR LOCK (RIGHT REAR DOOR) SECURITY IND SWITCH TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) W/ THEFT DETERRENT W/O THEFT DETERRENT

13 14 15 16 SERIAL DATA A/C COMP SOL VOLT SPLY A/C COMP SOL CTRL PNK RR DEFOG RLY CTRL WIRE A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR FUSE A/C COMPRESSOR RELAY A/C COMPRESSOR SOLENOID VALVE A/C REQUEST IND A/C REQUEST SWITCH A/C VALVE ON IND A/C VALVE SWITCH BLK WIRE BLK/WHT WIRE BLOWER MOTOR SWITCH COMPUTER DATA LINES SYSTEM 5060 7573 DEFOGGER ON IND DEFOGGER SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EMISSION 2 FUSE EVAPORATOR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE) FAN 1 FUSE FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN-2 FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED HVAC CONTROL MODULE LED DIM SPLY IGN 1 VOL GND BATTERY PNK 3 4 5 6 7 8 9 10 11 12 WIRE LEFT COOLING FAN ENGINE DIODE LEFT TEMPERATURE CONTROL SWITCH (W/ AUXILIARY TEMPERATURE CONTROL) LOGIC LOW REF LT AIR TEMP B RECIRCULATION B AIR TEMP B LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MODE ACTUATOR (RIGHT SIDE OF HVAC MODULE) MODE SWITCH NCA WIRE PNK WIRE PNK/WHT WIRE PPL/WHT WIRE REAR DEFOGGER SWITCH RECIRCULATION ACTUATOR (RIGHT SIDE OF BLOWER HOUSING) RECIRCULATION IND RECIRCULATION SWITCH RED/WHT WIRE RIGHT AIR TEMPERATURE ACTUATOR (RIGHT SIDE OF HVAC MODULE) RIGHT COOLING FAN ENGINE DIODE RIGHT TEMPERATURE CONTROL SWITCH (W/ AUXILIARY TEMPERATURE CONTROL) SENS CTRL MODE DR CTRL B SPEED CTRL MODE DR CTRL A AIR TEMP A RECIRCULATION A AIR TEMP A TAN WIRE TEMP SENS SIG GND UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

24 8 LOW REF ECT SENS SIG 6 21 22 39 40 59 42 32 A/C PRESS SIGNAL A/C REFRIGERANT PRESSURE SENSOR (ON A/C LINE, UNDER AIR CLEANER) AIR BAG/ DISPLAY BATT 4 FUSE BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL MODULE (BOTTOM OF BLOWER MOTOR ASSEMBLY) COMPUTER DATA LINES SYSTEM COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) DISPLAY FUSE DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT REAR OF LEFT CYLINDER HEAD) ENGINE COOLANT TEMPERATURE IND FUSE GMLAN SERIAL DATA GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ IGN MAIN PCB RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LEFT ENGINE COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LOGIC LOW REF DATA BUS + DATA BUS - LOW SPD HI SPD RELAY CTRL A/C COMP CLUTCH CTRL LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PPL SUPPLY GND BATTERY SPEED CTRL GND RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT ENGINE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF WHT WIRE YEL WIRE

BCM 1 FUSE BLK WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DK BLU/YEL WIRE DRIVER INFORMATION CENTER DISPLAY EXTERIOR REAR COMPARTMENT LID UNLATCH SWITCH (W/ REMOTE ENTRY) GROUND GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (RIGHT KICK PANEL) INSTRUMENT PANEL MULTI- FUNCTION SWITCH INTERIOR LIGHTS INTERIOR REAR COMPARTMENT LID UNLATCH SWITCH LIFT GATE AJAR SW SIG 1 LIFT GLASS/TRUNK INTERIOR RELEASE SIGNAL LIFT GLASS/TRUNK MTR RELEASE CTRL LO SPD GMLAN SERIAL DATA LO SPD GMLAN SERIAL DATA B+ 22 1 LOGIC LT GRN WIRE REAR CLOSURE HNDL SW OPEN SIG REAR COMPARTMENT LID LATCH REAR COMPARTMENT LID UNLATCH RELAY RED/WHT WIRE SYSTEM TRUNK REL FUSE UNDERHOOD FUSE BLOCK (RIGHT SIDE OF ENGINE COMPT) VIO/DK BLU WIRE VIO/GRY WIRE W/O REAR PARKING ASSIST YEL WIRE YEL/DK BLU WIRE

APPLY SIG APPLY SW SIG BLK WIRE BLK/ORG WIRE BRAKE IND BRN WIRE COMPUTER DATA LINES SYSTEM DATA COM DK BLU WIRE DK BLU/BLK WIRE DK BLU/VIO WIRE DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH GMLAN SERIAL DATA SEAT BELT SW LOW REF GRY/RED WIRE HI SPD GMLAN SER DATA BUS- INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT CLUSTER INTERIOR LIGHTS LO SPD GMLAN SERIAL DATA LOGIC LOW TIRE PRESSURE IND LT GRN WIRE LT GRN/GRY WIRE LVL SENS SIG ORG/BRN WIRE ORG/VIO WIRE PARK BRAKE CONTROL SWITCH PARKING BRAKE CONTROL MODULE (LEFT REAR WHEEL WELL) PASSENGER AIR BAG DISABLE INDICATOR PASSENGER SEAT BELT BUCKLE PASSENGER SEAT BELT SWITCH PPL RELEASE SIG SEAT BELT IND SEAT BELT SW LOW REF SEAT BELT SW SIG SEAT BELT SW- SERVICE PARK BRAKE IND SIGNAL SPLY VOL SYSTEM VIO/WHT WIRE VOL REF WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/RED 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