Acura TL IV facelift (2011-2014) center junction box (under left side of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 S-COM A/C DIODE B A/C PRESSURE SENSOR (RIGHT REAR OF ENGINE COMPT) AC SI AC SO AC CLK B CAN LO B CAN HI FRESH RECIRCULATE PD HUM PPL AUDIO NAVIGATION SWITCH PANEL AUDIO-HVAC DISPLAY UNIT AUDIO-NAVIGATION UNIT (W/ NAVIGATION) BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMPUTER DATA LINES PNK PPL SYSTEM WIRE DISP CLK DISP CLK DISP SO M-DEF M-VENT M-DEF M-VENT M-COOL M-HOT M-COOL M-HOT DISP SO FUSE 21 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON DRIVER'S UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) FUSE HOT W/ PGM-FI SUB RELAY ENERGIZED UNDER-HOOD FUSE/RELAY BOX ILL INTERIOR LIGHTS SYSTEM LT BLU WIRE LT GRN WIRE MAIN FAN MOTOR FUSE MODE 1 MODE 2 MODE 3 MODE 4 MODE 1 MODE 2 MODE 3 MODE 4 AMD-P AMD-P BLW-V BLW-G MULTI FUSE 3 NAVI SI NAVI SO NAVI-CLK ORG/ WIRE OUTSIDE AIR TEMPERATURE SENSOR (BEHIND LEFT SIDE OF FRONT BUMPER) PNK WIRE PPL PPL T SUM TR TEVA TAM MODE 1 MODE 2 MODE 3 RADIATOR FAN RELAY RED WIRE RELAY CIRCUIT BOARD SEATS TO UNDER- HOOD FUSE/ RELAY BOX (DIAGRAM 2 OF 3) W/ NAVIGATION W/ O NAVIGATION WHT WIRE YEL WIRE

28 29 PNK WIRE ACURALINK CONTROL UNIT (XM RECEIVER) (IF EQUIPPED) (BEHIND MIDDLE OF DASH) ACURALINK RE PROGRAMMING CONNECTOR AUDIO- NAVIGATION UNIT (IF EQUIPPED) B-CAN HI B-CAN HI B-CAN LO B-CAN LO BLK WIRE BLU WIRE CAN HI CAN LO CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT DIA G DLC (UNDER LEFT SIDE OF DASH) DRIVER'S JUNCTION BOX 2 (BEHIND LEFT SIDE OF DASH) F-CAN HI F-CAN LO FUSE 15 GRY WIRE HANDS FREELINK CONTROL UNIT (W/O NAVIGATION) (BEHIND MIDDLE OF DASH) HOT AT ALL TIMES K LINE K-LINE F CAN HI WEN F CAN LO KEYLESS ACCESS CONTROL UNIT (UNDER LEFT SIDE OF DASH) KEYLESS ACCESS JUNCTION BOX (UNDER LEFT SIDE OF DASH) LT BLU WIRE ORG/ WIRE PASSENGER'S MICU PNK 18 17 WIRE PNK 18 19 WIRE PNK WIRE POWER CONTROL UNIT (UNDER LEFT SIDE OF DASH) RED WIRE REMOTE SLOT CONTROL UNIT (BEHIND RIGHT SIDE OF DASH) SCS SH-AWD CONTROL UNIT (IF EQUIPPED) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) USED) (NOT W/ KEYLESS ACCESS W/ NAVIGATION W/ SH-AWD W/O NAVIGATION WHT WIRE

10 3 PNK PNK WIRE 10 39 12 13 K-LINE WEN F CAN HI F CAN LO 2 11 7 F-CAN HI F-CAN LO K-LINE AUDIO UNIT (W/O NAVIGATION) AUDIO- NAVIGATION UNIT (W/ NAVIGATION) B-CAN HI B-CAN LO BLK WIRE BLU WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) DRIVER'S JUNCTION BOX 2 DRIVER'S JUNCTION BOX 2 (BEHIND LEFT SIDE OF DASH) EPS CONTROL UNIT (UNDER RIGHT SIDE OF DASH) F-CAN HI F-CAN HI F-CAN LO F-CAN LO FRONT PASSENGER'S POWER WINDOW GAUGE CONTROL MODULE K LINE K-LINE F-CAN HI F-CAN LO K-LINE SCS LT BLU WIRE MOONROOF CONTROL UNIT/MOTOR (MIDDLE OF ROOF) ORG/ WIRE PNK PNK WIRE PNK WIRE POWER WINDOW MASTER SWITCH RED WIRE SRS UNIT (UNDER LOWER MIDDLE OF DASH) SWITCH TPMS CONTROL UNIT (UNDER LEFT SIDE OF DASH) UART VSA MODULATOR CONTROL UNIT (RIGHT SIDE OF ENGINE COMPT) W/ NAVIGATION W/O NAVIGATION WHT WIRE

B-CAN HI B-CAN LO BLK WIRE BLU WIRE CARGO LT TRUNK SW CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CONTROL CIRCUIT CONTROL CIRCUIT LEFT RIGHT MAP MAP LIGHTS LIGHT SWITCH COURTESY LIGHT DOOR MODE ON/OFF IND DRIVER'S DOOR DRIVER'S DOOR SWITCH (IN LEFT FRONT BEHIND PILLAR DOOR) DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S MICU DRIVER'S UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) DRIVER'S VANITY MIRROR VISOR OPEN FR COUR- TESY LT FR COUR- TESY R FR DOOR SW FR DOOR SW RR DOOR SW FRONT INDIVIDUAL MAP LIGHTS/AMBIENT LIGHTS FRONT PASSENGER'S DOOR COURTESY LIGHT FRONT PASSENGER'S DOOR SWITCH (IN RIGHT FRONT BEHIND PILLAR DOOR) FRONT PASSENGER'S VANITY VISOR OPEN MIRROR LIGHT OFF FUSE 12 FUSE 15 FUSE 16 FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) GRN WIRE HOT AT ALL TIMES IG KEY LT- +B BACKUP IGNITION KEY LIGHT INTERIOR LIGHT SWITCH (DOOR) INTERIOR LIGHT SWITCH (OFF) INTERIOR LIGHT SWITCH (ON) INTR LT- LEFT MAP LIGHT SWITCH LEFT MAP LIGHTS LEFT MAP REGULATOR LIGHT SWITCH LEFT REAR DOOR SWITCH (IN LEFT REAR BEHIND PILLAR DOOR) LIGHT OFF LT BLU WIRE LT GRN WIRE MAP LT OFF ORG/ WIRE PASSENGER'S MICU PASSENGER'S UNDER-DASH PNK COMPUTER DATA LINES SYSTEM WIRE POWER DISTRIBUTION SYSTEM REAR INDIVIDUAL MAP LIGHTS RED WIRE REGULATOR REMOTE SLOT RIGHT MAP LIGHT SWITCH RIGHT MAP LIGHTS RIGHT REAR DOOR SWITCH (IN RIGHT REAR BEHIND PILLAR DOOR) ROOF CONSOLE RR DOOR SW STEERING LOCK (IGNITION KEY SWITCH/ KEY LIGHT/ KEY INTERLOCK SOLENOID) TRUNK LID LATCH SWITCH TRUNK LID LATCH SWITCH/TRUNK LID RELEASE ACTUATOR (MIDDLE OF TRUNK LID) TRUNK LIGHT UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) W/ KEYLESS ACCESS W/ NAVIGATION W/ SH-AWD W/O KEYLESS ACCESS W/O NAVIGATION W/O SH-AWD WHT WIRE YEL WIRE

AREA NETWORK BLK WIRE BLU WIRE BRN WIRE CAN-L PPL CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL CIRCUITS CONTROLLER DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) ECM/PCM (RIGHT SIDE OF ENGINE COMPT) 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 GRY WIRE 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) PNK 10 11 12 4 5 6 WIRE 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) WHT WIRE YEL WIRE

+B BACKUP B-CAN HI B-CAN HI B-CAN LO B-CAN LO BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CONTROL CIRCUIT DOOR KEY LOCK (IN DRIVER'S DOOR) KNOB DOOR MODE ON/OFF IND DOOR MULTIPLEX CONTROL UNIT DRIVER'S DOOR KEY CYLINDER SWITCH DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) FR DOOR SW RR DOOR SW FRONT INDIVIDUAL MAP LIGHTS/AMBIENT LIGHTS FRONT PASSENGER'S DOOR SWITCH (IN RIGHT FRONT PILLAR BEHIND DOOR) FUSE 15 FUSE 16 FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) GND (MICU -S) GND (MICU-P) GRN WIRE GRY WIRE HOT AT ALL TIMES INTERIOR LIGHT SWITCH (DOOR) INTERIOR LIGHT SWITCH (OFF) INTERIOR LIGHT SWITCH (ON) LEFT MAP LIGHT SWITCH LEFT MAP LIGHTS LOCK LOCK UNLOCK LT BLU WIRE LT GRN WIRE METER MICU P-GND MICU S-GND ORG/ WIRE PASSENGER'S MICU PASSENGER'S UNDER-DASH PNK COMPUTER DATA LINES SYSTEM WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER WINDOW MASTER SWITCH REAR INDIVIDUAL MAP LIGHTS REGULATOR RIGHT END OF DASH) RIGHT MAP LIGHT SWITCH RIGHT MAP LIGHTS RIGHT REAR DOOR SWITCH (IN RIGHT REAR PILLAR BEHIND DOOR) ROOF CONSOLE UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) UNLOCK VBU W/ SH-AWD W/O SH-AWD WHT WIRE YEL WIRE

AUDIO UNIT AUDIO- NAVIGATION UNIT BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) DRIVER'S JUNCTION BOX 1 (BEHIND LEFT SIDE OF DASH) DRIVER'S JUNCTION BOX 2 (BEHIND LEFT SIDE OF DASH) DRIVER'S MICU DRIVER'S UNDER-DASH FC IC FOB LOCK SOLENOID FUSE FUSE 18 FUSE 9 FUSE FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) FUSE/RELAY BOX (UNDER LEFT END OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER'S UNDER-DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) HOT IN ON OR ACC HOT IN ON OR START KEY LT- KEYLESS ACCESS JUNCTION BOX (UNDER LEFT SIDE OF DASH) LF ANTENNA LT BLU WIRE LT GRN WIRE NAVIGATION DISPLAY UNIT ORG/ WIRE PARKING BRAKE SWITCH (ON PARK BRAKE LEVER BRACKET) PASSENGER'S MICU PNK PNK WIRE PNK WIRE PPL PPL PNK WIRE PPL PPL RED WIRE REMOTE SLOT S-NET SCTY UNDER- HOOD VOUT SLOT W/ NAVIGATION W/O NAVIGATION WHT WIRE YEL WIRE

27 33 35 PNK UART B-CAN LO B-CAN HI WIRE B-CAN B-CAN GND HI LO BLK WIRE BLU WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM CONTROL UNIT FRONT PASSENGER'S POWER WINDOW SWITCH CONTROL UNIT POWER WINDOW MASTER SWITCH DRIVER'S UNDER-DASH FUSE 13 FUSE 16 FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) FUSE/RELAY BOX (UNDER LEFT END OF DASH) GRN WIRE HEAT (+) HOT AT ALL TIMES HOT IN ON LEFT POWER MIRROR DEFOGGER LEFT POWER MIRROR (FRONT OF DRIVER'S DOOR) LT GRN WIRE ORG/ WIRE PASSENGER'S UNDER-DASH PNK UART WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MIRROR DEFOGGER SWITCH POWER MIRROR DEFOGGER IND RIGHT END OF DASH) RIGHT POWER MIRROR (FRONT OF FRONT PASSENGER'S DOOR) RIGHT POWER MIRROR DEFOGGER VMPAS YEL WIRE

1 8 ILL+ ILL-LED 1 8 ILL- ILL+ 10 12 ILL-LCD ILL+ 23 11 12 ILL+ ILL-LED ILL-LCD AUDIO UNIT (W/O NAVIGATION) AUDIO-HVAC DISPLAY UNIT AUDIO/NAVIGATION SWITCH PANEL B-CAN HI B-CAN LO BLK WIRE BLU WIRE BRIGHTENING SWITCH BSI OFF SWITCH (IF EQUI- CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM CONSOLE BOX LIGHT DASH LIGHTS BRIGH- TNESS CONT- ROLLER DIMMING SWITCH (-) DRIVER'S CLIMATE CONTROL SWITCH DRIVER'S FOOTWELL LIGHT DRIVER'S JUNCTION BOX 2 (BEHIND LEFT SIDE OF DASH) DRIVER'S SEAT HEATER SWITCH FRONT PASSENGER'S CLIMATE CONTROL SWITCH FRONT PASSENGER'S FOOTWELL LIGHT FUSE 2 FUSE 6 GLOVE BOX LIGHT GND (MICU -S) GND (MICU-P) GRY WIRE HAZARD WARNING SWITCH/FRONT PASSENGER'S AIR BAG CUT-OFF INDICATOR HEAD LIGHT WASHER SWITCH (IF EQUIPPED) HOT AT ALL TIMES ILL+ GND ILL+ ILL-LED LT BLU WIRE MOON- ROOF SWITCH ORG/ WIRE PASSENGER'S MICU PASSENGER'S MICU TAILLIGHT CONTROL CIRCUIT PASSENGER'S UNDER- DASH FUSE/RELAY BOX (BEHIND RIGHT KICK PANEL) PNK WIRE PPED) PPL REAR INDIVIDUAL MAP LIGHTS ROOF CONSOLE RED WIRE RIGHT END OF DASH) SEAT CENTER VENTILATION CONTROL UNIT (IF EQUIPPED) VSA OFF SWITCH W/ NAVIGATION W/O NAVIGATION W/O VENTILATED SEATS

B-CAN B-CAN GND HI LO BLK WIRE BLU WIRE BRN WIRE CENTER JUNCTION BOX (UNDER LEFT SIDE OF DASH) CLIMATE CONTROL UNIT COMPUTER DATA LINES SYSTEM DEFOGGER DRIVER'S MICU B-CAN B-CAN LO HI DRIVER'S UNDER-DASH FUSE/ RELAY BOX (UNDER LEFT END OF DASH) DRIVER'S UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) FUSE 16 FUSE 4 GLASS ANTENNA COIL (IN LEFT "C" PILLAR) GRN WIRE HOT AT ALL TIMES HOT IN ON LT GRN WIRE PNK WIRE POWER DISTRIBUTION SYSTEM REAR WINDOW REAR WINDOW DEFOGGER NOISE CONDENSER (IN LEFT "C" PILLAR) REAR WINDOW DEFOGGER RELAY REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER IND RR DEF RLY UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) WHT WIRE