Chevrolet Impala IX (2006-2016) low ref 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

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

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LEFT SIDE OF DASH) BRK PEDAL SW SIG GMLAN SERIAL DATA BUS+ COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS (+) TFT DATA BUS (-) IGN DATA BUS (-) DK BLU WIRE DK GRN/BLK WIRE DRIVER INFORMATION CENTER (DIC) ECM, TCM FUSE ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) GMLAN GMLAN SERIAL DATA BUS + GND DATA BUS (+) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER LEFT STEERING WHEEL CONTROL SWITCH LOGIC DISPLAY LOW REF ORG/BLK WIRE OSS OSS LO SIG HI SIG P/N SIG P/N SW PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL PPL 17 20 1375 5526 SPLY VOL SIG GND PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED WIRE RED/WHT WIRE SERIAL DATA SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 SOUND SYSTEMS SS 1 SS 2 STOP LP SW SIG TAN WIRE TAN/BLK WIRE TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TORQUE CONVERTER CLUTCH PRESSURE CONTROL (PC) SOLENOID VALVE TRANS FUSE TRANSMISSION CONTROL MODULE (TCM) TRNS ISS ISS LO SIG HI SIG RANGE SIG A TRNS TRNS TRNS GND RANGE RANGE RANGE SIG C SIG P SIG B 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

5-V 1 REF 5-VOLT 2 REF ACTUATOR HI CTRL ACTUATOR LOW REF BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAM PHASER CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (INSIDE AIR CLEANER ASSEMBLY) EXHAUST BANK 1 SIG EXHAUST BANK 2 SIG 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 WIRE GRY/BLK WIRE GRY/WHT WIRE HIGH PRESSURE FUEL PUMP (CENTER REAR OF ENGINE) IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL INTAKE BANK 1 SIG INTAKE BANK 2 SIG LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE OIL PRESS SW SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK WIRE POS SENS SIG PPL PPL 32 33 34 35 36 PPL 4 5 6 7 8 9 PPL/WHT WIRE RED/WHT WIRE SPARK PLUG TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

5-V 1 REF BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (LOWER RIGHT SIDE OF ENGINE BLOCK) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE ENGINE CONTROL MODULE (ECM) EXHAUST BANK 1 CAMSHAFT POSITION (CMP) SENSOR (FRONT OF RIGHT CYLINDER BANK) EXHAUST BANK 2 CAMSHAFT POSITION (CMP) SENSOR (FRONT OF LEFT CYLINDER BANK) FUEL COMPOSITION SENSOR 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 WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE BANK 1 CAMSHAFT POSITION (CMP) SENSOR (FRONT OF RIGHT CYLINDER BANK) INTAKE BANK 2 CAMSHAFT POSITION SENSOR (FRONT OF LEFT CYLINDER BANK) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE PNK/BLK WIRE PPL PPL 32 33 34 35 36 PPL 4 5 6 7 8 9 PPL/WHT WIRE RED/WHT WIRE SECONDARY AIR INJECTION (AIR) PUMP SOLENOID VALVE BANK 1 SECONDARY AIR INJECTION (AIR) PUMP SOLENOID VALVE BANK 2 TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

2760 485 LOW REF TP SENS 1 SIG 5-V 4 REF AIR TEMP SENS SIG BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLEANER ASSEMBLY) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) FUEL RAIL PRESSURE SENSOR (ON FUEL RAIL, NEAR FUEL INJECTOR 1) GROUND GRY WIRE GRY/WHT WIRE KNOCK SENS 1 SIG KNOCK SENS 2 SIG KNOCK SENSOR 1 (RIGHT SIDE OF ENGINE) KNOCK SENSOR 2 (LEFT SIDE OF ENGINE) LOW REF LT BLU WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP RIGHT REAR OF INTAKE MANIFOLD) MAP SENS SIG 5-V 3 REF MULTI-FUNCTION INTAKE AIR ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK/BLK GRY/WHT WIRE PNK/BLK ORG/WHT WIRE PNK/BLK WIRE PPL PPL MAF SENS SIG TAC MTR CTRL-2 LOW REF 5-V 1 REF FRP SENS SIG PPL PPL PPL/WHT WIRE SENSOR (IN AIR CLEANER DUCT) STARTING/CHARGING SYSTEM TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT OF INTAKE MANIFOLD) TRANSMISSIONS SYSTEM WHT WIRE YEL WIRE YEL/WHT WIRE