Acura TL IV (2008-2011) (under left side of dash) Wiring diagrams

+B BACKUP B-CAN HI B-CAN-LO P/W RR L RLY CL- A/T REVERSE DIODE A A/T REVERSE RELAY ACC KEY LOCK ANTI-THEFT SYSTEM BACK LT- BACKUP H/L BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D/L DR FR D/L DR LOCK RLY CL- DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS DRIVER'S MICU EXTERIOR LIGHTS, TRANSMISSIONS SYSTEMS FOG LIGHT CONTROL CIRCUIT FR FOG SW FR WIPER (AS) FUEL DOORS SYSTEM FUEL LID ACT FUSE FUSE 12 FUSE 30 FUSE 15 FUSE 17 FUSE 18 FUSE 27 FUSE 28 GND (MICU-P) GND (MICU-S) FR COURTESY L MAP LIGHT OFF GRN WIRE GRY WIRE HANDLE SW TRUNK HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM HIGH BEAM CONTROL UNIT HOOD SW HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON HOT IN ON OR START INTERIOR LIGHTS INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTR LT- KEY LT- HORN P-PIN SW KEY LOCK SOL- S-NET K-LINE HAZARD SW KEY SW LIGHTS SYSTEM EXTERIOR LINK LOW BEAM CONTROL UNIT LT BLU WIRE LT GRN WIRE MICU CHK MICU SERVICE CHECK CONNECTOR MIRRORS, NAVIGATION SYSTEMS OPTIONAL CONNECTOR ORG/ WIRE PASSING SW DIMMER SW PNK (NOT USED) WIRE PNK WIRE POWER WINDOWS SYSTEM PPL RADIO RED WIRE RLY CL- D/L DR UNLOCK SIGNAL/ HAZARD FLASHER CIRCUIT STARTING/CHARGING SYSTEM STOP SW SYSTEM SYSTEM DEFOGGER SYSTEM TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM TAILLIGHT CONTROL CIRCUIT TRUNK ACT TRUNK MAIN SW TRUNK SW TRUNK, TAILGATE, TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN TURN SW L TURN SW R FR WIP INT/LO SW FR WIP HI/LO SW MIST SW FR WASH SW UNLOCK RLY CL- UNLOCK RR DOOR SW L FR DOOR SW L RR DEF RLY CL- ATP-P +B HAZARD W/ KEYLESS ACCESS W/O KEYLESS ACCESS WHT WIRE WIP HI/LO RLY WIP INT RLY WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE

28 29 PNK WIRE ACURALINK CONTROL UNIT (XM RECEIVER) (IF EQUIPPED) (BEHIND MIDDLE OF DASH) AUDIO- NAVIGATION UNIT (IF EQUIPPED) BLK WIRE BLU WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT DRIVER'S JUNCTION BOX 2 (BEHIND LEFT SIDE OF DASH) FUSE 15 HANDSFREE LINK CONTROL UNIT (BEHIND MIDDLE OF DASH) HOT AT ALL TIMES KEYLESS ACCESS CONTROL UNIT (UNDER LEFT SIDE OF DASH) KEYLESS ACCESS JUNCTION BOX (UNDER LEFT SIDE OF DASH) LT BLU WIRE MICU ORG/ WIRE PNK 18 17 WIRE PNK 18 19 WIRE PNK WIRE POWER CONTROL UNIT (UNDER LEFT SIDE OF DASH) RED (OR BLU) WIRE RED WIRE REMOTE ENGINE START CONNECTOR (OPTION) (UNDER LEFT SIDE OF DASH) REMOTE SLOT CONTROL UNIT (BEHIND RIGHT SIDE OF DASH) SH-AWD CONTROL UNIT (IF EQUIPPED) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) USED) (NOT W/ KEYLESS ACCESS W/ NAVIGATION W/O NAVIGATION WHT WIRE

28 29 PNK WIRE B-CAN HI BLK WIRE BLU WIRE COLUMN) DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S UNDER-DASH FUSE/RELAY B-CAN BOX LO (UNDER LEFT END OF DASH) IMMOBILIZER KEYLESS CONTROL UNIT RECEIVER (ON STEERING KEYLESS ACCESS JUNCTION BOX (UNDER LEFT SIDE OF DASH) LT BLU WIRE MICU MICU K-LINE CHK MICU SERVICE CHECK CONNECTOR ORG/ WIRE PCM (RIGHT SIDE OF ENGINE COMPT) PNK 18 19 WIRE PNK PNK WIRE PNK WIRE POWER SEAT CONTROL UNIT (UNDER DRIVER'S SEAT) RED (OR BLU) WIRE RED WIRE SCS WEN CANH CANL W/ KEYLESS ACCESS W/O KEYLESS ACCESS WHT WIRE

AREA NETWORK AREA NETWORK CONTROLLER BLK WIRE BLU WIRE BRN WIRE CAN-L PPL CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROLLER DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) ENGINE SPEED OUTPUT EPS CONTROL UNIT (UNDER RIGHT SIDE OF DASH) EPS IND EPS MOTOR EPS MOTOR ANGLE SENSOR EPS TORQUE SENSOR FAST FUSE 12 FUSE 6 GAUGE CONTROL MODULE GROUND BATT IN (B+) MW HOT AT ALL TIMES HOT IN ON OR START K LINE LT BLU WIRE MU MV CAN-H MULTI- FUSE 2 EPS FUSE NEP ORG/ WIRE PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PCM (RIGHT SIDE OF ENGINE COMPT) PNK WIRE PPL PVF RED WIRE SCS STEERING ANGLE SENSOR (W/ SH-AWD) (ON STEERING COLUMN) STEERING GEARBOX TRANSCEIVER/ UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) VSA MODULATOR CONTROL UNIT (RIGHT SIDE OF ENGINE COMPT) WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE

+B GND BACK- (MICU-P) UP +B HAZARD B- B- CAN CAN HAZ LO HI SW BLK WIRE BLU WIRE BRAKE LIGHT BRAKE PEDAL POSITION SWITCH (ON BRAKE PEDAL MOUNTING BRACKET) BRN WIRE DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S MICU DRIVER'S UNDER-DASH FUSE/RELAY BOX ENGINE CONTROLS SYSTEM FUSE FUSE 15 FUSE 9 FUSE 27 GND (MICU -S) GND (MICU-P) GRN WIRE GRY WIRE HAZARD COMPUTER WARNING DATA LINES SWITCH SYSTEM LIGHT HAZARD WARNING SWITCH HIGH MOUNT HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) FUSE 10 HOT IN ON OR START LEFT BRAKE RIGHT BRAKE LEFT FRONT SIDE MARKER LEFT FRONT TURN SIGNAL/ PARKING LIGHT LEFT LICENSE LEFT REAR SIDE LIGHT LIGHT/ LIGHT/ TAILLIGHT TAILLIGHT LT GRN WIRE MARKER LIGHT METER PLATE LIGHT PNK WIRE RED WIRE RIGHT FRONT SIDE MARKER RIGHT FRONT TURN SIGNAL/ PARKING LIGHT RIGHT LICENSE RIGHT REAR SIDE STOP SW TAILLIGHT CONTROL CIRCUIT WHT WIRE YEL WIRE

A/T SHIFT LOCK SOLENOID/PARK PIN SWITCH PARK PIN SWITCH ACCESS/ AUDIO AUDIO- UNIT NAVIGATION UNIT BLK WIRE BLOWER MOTOR RELAY BRAKE BLOWER POWER TRANSISTOR CABLE REEL (IN STEERING COLUMN) CLIMATE CONTROL UNIT CONSOLE ACCESSORY POWER SOCKET CONSOLE ACCESSORY POWER SOCKET RELAY CONSOLE BOX LIGHT CRUISE CONTROL COMBINATION/ SELECT/RESET/ INFORMATION SWITCH DASH LIGHTS BRIGHTNESS CONTROLLER DLC DRIVER'S MICU DRIVER'S MOONROOF CONTROL UNIT/ MOTOR CLIMATE CONTROL SWITCH FRONT ACCESSORY POWER SOCKET FRONT ACCESSORY POWER SOCKET RELAY (W/ KEYLESS FRONT PASSENGER'S CLIMATE CONTROL SWITCH FRONT PASSENGER'S DOOR LOCK ACTUATOR/ KNOB SWITCH FRONT PASSENGER'S SEAT HEATER SWITCH FUEL PUMP CONTROL MODULE FUEL TANK UNIT GAUGE CONTROL MODULE GND (MICU-P) GND GND (MICU-P) (MICU-P) GRN WIRE HIGH MOUNT BRAKE LIGHT JUNCTION CONNECTOR LEFT FOG LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT TURN SIGNAL/ PARKING LIGHT LEFT HEADLIGHT MICU SERVICE CHECK CONNECTOR POWER WINDOW MASTER SWITCH PPL RADIATOR FAN MOTOR RIGHT END OF DASH) RIGHT POWER MIRROR SECURITY FLUID HOOD LEVEL SWITCH SWITCH SRS UNIT STEERING WHEEL) STEREO AMPLIFIER TPMS CONTROL UNIT IGNITION KEY SWITCH/KEY LIGHT (W/O KEYLESS ACCESS) W/ W/O SH-AWD SH-AWD W/O W/ NAVIGATION NAVIGATION

AUTOMATIC LIGHTING SENSOR BLK WIRE BLU WIRE BRN WIRE CAN CAN LOW HIGH GND GND COMBINATION LIGHT SWITCH COMPUTER DATA LINES SYSTEM DAY LIGHT DIMMER/ FLASH-TO- PASS SWITCH DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S MICU DRIVER'S UNDER-DASH FOG LIGHT CONTROL CIRCUIT FOG LIGHT SWITCH FR BACK- FOG UP DIM LOW BACK PASS SW H/L SW SW SW UP SW FUSE 12 FUSE 15 FUSE 26 FUSE 28 FUSE 30 FUSE/RELAY BOX (UNDER LEFT END OF DASH) GND GND GND OFF SMALL SW (LIGHT) GRN WIRE GRY WIRE H/L HEAD HEADLIGHT SWITCH HIGH BEAM HIGH BEAM CONTROL CIRCUIT HOT AT ALL TIMES HOT IN ON HOT IN ON OR START LEFT FOG LIGHT LEFT HEADLIGHT LOW BEAM LOW BEAM CONTROL CIRCUIT LT BLU WIRE LT GRN WIRE METER OFF PARK AUTO ORG/ WIRE PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER BRACKET) PASSING PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED WIRE WHT WIRE YEL WIRE

A/T GEAR POSITION INDICATOR DRIVE CIRCUIT ABS IND. ANTI-LOCK BRAKES SYSTEM PPL BEEPER BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRAKE SYSTEM IND FUEL GAUGE BRN WIRE CHARGING SYSTEM IND COMPULSORY MIL IND TURNING OFF CIRCUIT COMPULSORY TURNING- ON CIRCUIT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 16 17 18 22 PNK WIRE CRUISE CONTROL IND CRUISE CONTROL MAIN SWITCH IND CRUISE CONTROL SYSTEM DOOR OPEN IND ENGINE COOLANT TEMPERATURE GAUGE EPS IND FAIL SAFE CIRCUIT FAST CONTROLLER AREA FOG LIGHT IND GAUGE CONTROL MODULE GRN WIRE GRY WIRE HIGH BEAM DIMMING CIRCUIT HIGH BEAM IND IMMOBILIZER SYSTEM IND INDICATOR DIMMING CIRCUIT KEYLESS ACCESS IND LED LIGHT LED LIGHT LED LIGHT LED LIGHT LED LIGHT LEFT TURN RIGHT TURN SIGNAL SIGNAL IND IND LIGHTS ON IND LOW FUEL IND LOW OIL PRESSURE IND LT BLU WIRE LT GRN WIRE MESSAGE IND MULTI INFORMATION DISPLAY (MID) UNIT NETWORK TRANSCEIVER ORG/ WIRE POWER SUPPLY CIRCUIT/CONTROLLER AREA NETWORK CONTROLLER PPL RED WIRE SEAT BELT REMINDER IND SECURITY IND LOW TIRE PRESSURE/TPMS IND SECURITY INDICATOR BLINKING CIRCUIT SH-AWD IND SHIFT INDICATOR DRIVER CIRCUIT SIDE AIRBAG CUT-OFF IND SPEAKER CONTROL SPEEDOMETER VSA ACTIVATION IND SRS IND STABILIZER CIRCUIT TACHOMETER TURN SIGNAL/ HAZARD RELAY 2 (SOUNDER) VSA SYSTEM IND WARNING DRIVE CIRCUIT WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CABLE REEL (IN STEERING COLUMN) CRUISE CONTROL COMBINATION SELECT/RESET/INFORMATION SWITCH EVAP CANISTER PURGE VALVE (LEFT REAR OF ENGINE COMPARTMENT, NEAR STRUT TOWER) FRONT A/F SENSOR FRONT SECONDARY GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) FUSE 15 PADDLE SHIFTER (DOWNSHIFT SWITCH) 1) SHIFT DOWN PADDLE SHIFTER+ (UPSHIFT SWITCH) 1) SHIFT UP PPL REAR A/F SENSOR REAR SECONDARY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) ROCKER ARM OIL PRESSURE SWITCH (LOWER RIGHT FRONT OF ENGINE) STEERING WHEEL) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CABLE REEL (IN STEERING COLUMN) CRUISE CONTROL COMBINATION SELECT/RESET/INFORMATION SWITCH EVAP CANISTER PURGE VALVE (LEFT REAR OF ENGINE COMPARTMENT, NEAR STRUT TOWER) FRONT A/F SENSOR FRONT SECONDARY GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) FUSE 15 PADDLE SHIFTER (DOWNSHIFT SWITCH) 1) SHIFT DOWN PADDLE SHIFTER+ (UPSHIFT SWITCH) 1) SHIFT UP PPL REAR A/F SENSOR REAR SECONDARY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) ROCKER ARM OIL PRESSURE SWITCH (LOWER RIGHT FRONT OF ENGINE) STEERING WHEEL) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE