Acura RL II facelift (2008-2012) b-can Wiring diagrams

B-CAN BLK WIRE BLU WIRE BRN WIRE EXT F - EXT F + EXT FR AS + RXVCC 1 TXVCC 1 RSSI 1 EXT FR AS - RFRXD 1 RFTXD 1 EXT FR DR - EXT FR DR + EXT TR - EXT TR + RSSI 2 RFRXD 2 RFTXD 2 FRONT INTERIOR KEYLESS ACCESS LF ANTENNA (BEHIND MIDDLE OF DASH) GRN WIRE GRY WIRE IGNITION KEY SWITCH IGNITION SWITCH CONTROL UNIT KEY SW HBRK SW KEY OUT IMMOCONT KEYLESS ACCESS CONTROL UNIT (UNDER LEFT SIDE OF DASH) KEYLESS ACCESS RF UNIT 1 (BEHIND MIDDLE OF DASH) KEYLESS ACCESS RF UNIT 2 (MIDDLE OF REAR SHELF) KNOB LOCK SOLENOID KNOB SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE PPL REAR BUMPER LF ANTENNA (BEHIND MIDDLE OF REAR BUMPER) REAR INTERIOR KEYLESS ACCESS LF ANTENNA (UNDER REAR OF CENTER CONSOLE) REAR SHELF KEYLESS ACCESS LF ANTENNA RED WIRE RF GND 1 RF GND 2 RXVCC 2 TXVCC 2 ROTATE SW KNOB SW IMMOBI LAMP DIAG H S NET IGN TRX ROTATE SWITCH SCS IGN CONT SMART MIL TR HNDL SW EXT R - EXT R + EXT TI - EXT TI + TS FR AS DL FR AS TS FR DR DL FR DR WHT WIRE YEL WIRE

ACURALINK CONTROL UNIT (XM RECEIVER) AUDIO UNIT B-CAN DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) ECU ECU BUS B- CAN CAN ECU- ECU- F-CAN H F-CAN L GA- GA- GA- NET B- GA- GA- NET NET NET BUS- BUS BUS+ SH GA-NET BUS SH GA-NET BUS- GRN WIRE GRY WIRE LT GRN WIRE MOONROOF LEFT CONTROL REAR UNIT POWER (REAR WINDOW OF ROOF) MASTER SWITCH NAVIGATION UNIT (IN TRUNK, BELOW LEFT SIDE OF PACKAGE TRAY) SH BUS ECU BUS ODS UNIT (IN FRONT PASSENGER'S SEAT BACK) POWER WINDOW MASTER SWITCH RED WIRE SRS UNIT (UNDER LOWER MIDDLE OF DASH) USB ADAPTER UNIT (BEHIND LEFT SIDE OF GLOVE BOX) WHT WIRE XM RECEIVER (USA: BASE, CANADA) (LEFT SIDE OF TRUNK)

ADAPTIVE FRONT LIGHTING CONTROL UNIT (UNDER LEFT SIDE OF DASH) B-CAN BLK WIRE BLK/GRN WIRE CABLE REEL (B: ON STEERING COLUMN) (C: ON STEERING WHEEL) CONTROL BLOCK CRUISE CONTROL COMBINATION SWITCH HORN SWITCH DISTANCE SWITCH (USA: CMBS/ PAX PACKAGE; CANADA: PREMIUM PACKAGE) GRN WIRE HIGH HORN (BEHIND MIDDLE OF FRONT BUMPER) HORN RELAY HOT AT ALL TIMES FUSE 13 LOW HORN (BEHIND MIDDLE OF FRONT BUMPER) LT GRN WIRE MICU DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) NCA WIRE ORG/ WIRE RED WIRE RELAY CONTROL MODULE STEERING WHEEL) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) USA: TECHNOLOGY PACKAGE, CMBS/ PAX PACKAGE; CANADA: PREMIUM PACKAGE W/ BASE

2 13 UART DOOR SW B-CAN BASE BLK WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (INTEGRAL TO BRAKE FLUID RESERVOIR CAP) CABLE REEL (CONNECTOR B: ON STEERING COLUMN) (CONNECTOR C: ON STEERING WHEEL) CAN L CAN UART DR DOOR SW COMPUTER DATA LINES SYSTEM CONTROL BLOCK CPSW DRIVER'S DOOR LOCK ACTUATOR/ KNOB SWITCH/ DOOR SWITCH DRIVER'S DOOR SWITCH DRIVER'S MPCS UNIT DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) EXCEPT BASE FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH/DOOR SWITCH FRONT PASSENGER'S DOOR SWITCH FRONT PASSENGER'S MPCS UNIT FUEL TANK UNIT FUEL (UNDER GAUGE LEFT SIDE OF SENDING REAR SEAT) UNIT FUSE 21 FUSE 7 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IMMOBILIZER CONTROL UNIT- RECEIVER (ON RIGHT SIDE OF STEERING COLUMN) KEYLESS ACCESS CONTROL UNIT (UNDER LEFT SIDE OF DASH) LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH/ DOOR SWITCH (REAR OF LEFT REAR DOOR) LEFT REAR DOOR SWITCH LEFT REAR POWER WINDOW SWITCH LT BLU WIRE LT GRN WIRE MICU NEXT SWITCH OIL PRESSURE SWITCH ORG/ WIRE PARKING BRAKE SWITCH (UNDER LEFT SIDE OF DASH) PCM (UNDER MIDDLE OF DASH) PNK WIRE PREVIOUS SWITCH RED WIRE RELAY CONTROL MODULE RIGHT REAR DOOR SWITCH RIGHT REAR POWER WINDOW SWITCH SECONDARY FUEL GAUGE SENDING UNIT (UNDER RIGHT SIDE OF REAR SEAT) SELECT/ RESET SWITCH SELECT/RESET INFORMATION SWITCH STEERING WHEEL) UART AS DOOR SW UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) WHT WIRE YEL/RED WIRE

ATP-R B-CAN BLK WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM DOWN DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) GRN WIRE GRY WIRE LEFT LT BLU WIRE LT LT MICU MIRROR MIRROR DN MIRROR LT MIRROR RT MIRROR UP PNK WIRE POWER MIRROR SWITCH POWER MIRROR SWITCH LIGHTS PPL RIGHT TOP OF TRANSMISSION) TRANSMISSION RANGE SWITCH (ON TRANSAXLE WHT WIRE

1 2 3 4 5 6 7 8 9 10 B+ 2 1 SH JOG JOG AUDIO L+ AUDIO R- AUDIO SH B-CAN BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S MICU UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FUSE 7 GA-NET BUS SH GA-NET BUS+ GA-NET BUS SH ECU BUS+ SECURITY+ GA-NET BUS- GA-NET BUS- SH ECU BUS ECU BUS- SECURITY- GND (BEHIND GLOVE BOX) GRN WIRE GRY WIRE HANDSFREELINK CONTROL UNIT (BEHIND RIGHT KICK PANEL) HFL MUTE HFL STRG SW HIP-NAVI MIC+ HIP/NAVI COMM SH HOT AT ALL TIMES INTERFACE DIAL LT BLU WIRE LT GRN WIRE LT LT (UNDER RIGHT SIDE OF DASH) MIC - MIC SH NAVIGATION DISPLAY UNIT NCA WIRE PPL PPL PPL PPL PPL PPL PPL PPL/ PPL/ PPL/ PPL/ R SIG 1 G SIG 1 GND RADIO SW RED WIRE ROOF CONSOLE HFL/ NAVIGATION MICROPHONE TELM SIG - TELM SIG SH WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 B+ 3 2 1 GND SH JOG JOG AUDIO L+ AUDIO R- AUDIO SH B-CAN BASE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S MICU UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) DRIVER'S UNDER-DASH EXCEPT BASE FUSE 21 FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FUSE 7 GA-NET BUS SH GA-NET BUS+ GA-NET BUS- ECU BUS+ SECURITY+ GA-NET BUS- GRN WIRE GRY WIRE HANDSFREELINK CONTROL UNIT (BEHIND RIGHT KICK PANEL) HFL MUTE HFL STRG SW HIP-NAVI MIC+ HIP/NAVI COMM SH HOT AT ALL TIMES HOT IN ON OR START INTERFACE DIAL LT BLU WIRE LT GRN WIRE MIC - MIC SH NAVIGATION DISPLAY UNIT NCA WIRE PPL PPL PPL PPL PPL PPL PPL PPL PPL/ PPL/ PPL/ R SIG 1 G SIG 1 GND RADIO RED WIRE ROOF CONSOLE HFL/ NAVIGATION MICROPHONE TELM SIG - TELM SIG SH WHT WIRE YEL WIRE

+B PPL 2 1 DIAG+ DIAG- (UNDER NAVIGATION UNIT) ACURALINK CONTROL UNIT (XM RECEIVER) (EXCEPT BASE) (ON LEFT SIDE OF TRUNK) ACURALINK REPROGRAMMING CONNECTOR AIR CONDITIONING SYSTEM AUDIO L+ AUDIO R- B SIG 1 C SIG 1 GND SIG 1 AC SO AC CLK B-CAN BACK LT- BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN-H SH ECU BUS ECU BUS+ F-CAN H F-CAN L GA-NET BUS- GND BACK LT GRN WIRE GRY WIRE HFL COMM SH HFT COM 1 JOG CAN-L SH JOG ECU BUS- COMPUTER DATA LINES SYSTEM LINE OUT + LT GRN WIRE NAVI COMM SH NAVIGATION SERVICE CHECK CONNECTOR NAVIGATION UNIT (IN TRUNK, BELOW LEFT SIDE OF PACKAGE TRAY) NCA WIRE ORG/ WIRE PCM VSS (UNDER OUT MIDDLE OF DASH) PPL PPL AIR CONDITIONING SYSTEM PPL PPL R SIG 1 G SIG 1 SH SIG 1 AC SI ILL + RED WIRE SUPPLEMENTAL RESTRAINTS SYSTEM WHT WIRE XM ANTENNA YEL WIRE

B-CAN BLK WIRE BLU WIRE BRN WIRE EXT F - EXT F + EXT FR AS + RXVCC 1 TXVCC 1 RSSI 1 EXT FR AS - RFRXD 1 RFTXD 1 EXT FR DR - EXT FR DR + EXT TR - EXT TR + RSSI 2 RFRXD 2 RFTXD 2 FRONT INTERIOR KEYLESS ACCESS LF ANTENNA (BEHIND MIDDLE OF DASH) GRN WIRE GRY WIRE IGNITION KEY SWITCH IGNITION SWITCH CONTROL UNIT KEY SW HBRK SW KEY OUT IMMOCONT KEYLESS ACCESS CONTROL UNIT (UNDER LEFT SIDE OF DASH) KEYLESS ACCESS RF UNIT 1 (BEHIND MIDDLE OF DASH) KEYLESS ACCESS RF UNIT 2 (MIDDLE OF REAR SHELF) KNOB LOCK SOLENOID KNOB SWITCH LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE PPL REAR BUMPER LF ANTENNA (BEHIND MIDDLE OF REAR BUMPER) REAR INTERIOR KEYLESS ACCESS LF ANTENNA (UNDER REAR OF CENTER CONSOLE) REAR SHELF KEYLESS ACCESS LF ANTENNA RED WIRE RF GND 1 RF GND 2 RXVCC 2 TXVCC 2 ROTATE SW KNOB SW IMMOBI LAMP DIAG H S NET IGN TRX ROTATE SWITCH SCS IGN CONT SMART MIL TR HNDL SW EXT R - EXT R + EXT TI - EXT TI + TS FR AS DL FR AS TS FR DR DL FR DR WHT WIRE YEL WIRE

0) OFF 1) UP 2) DOWN 3) AUTO DOWN 4) AUTO UP AUTO AUTO UP DOWN ILL(-) B-CAN BLK WIRE BLU WIRE BRN WIRE CONTROL UNIT) DOWN AUTO UP DRIVER'S MPCS UNIT (IN DRIVER'S DOOR) DRIVER'S SWITCH DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT DRIVER'S UNDER-DASH FUSE/RELAY BOX (BEHIND LEFT KICK PANEL) FRONT PASSENGER'S SWITCH FUSE 21 FUSE 24 FUSE 27 FUSE 7 GND DOWN GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN CAN VBU UART ILL KEY LOCK KEY UNLOCK UNLOCK LOCK KEYLESS B-CAN ACCESS CONTROL UNIT (UNDER LEFT SIDE OF DASH) KICK PANEL) LEFT REAR SWITCH LT BLU WIRE LT GRN WIRE MAIN SWITCH MICU OFF ON ORG/ WIRE PLSGND PLSA PLSB SVCC DR DOWN DR UP PNK WIRE POWER TOPS SYSTEM POWER WINDOW MASTER SWITCH PPL RED WIRE RIGHT REAR SWITCH TRANSMITTER UART UP AUTO DOWN VBU VMP DR UP +B RLY COIL RLY OUT MASGND WHT WIRE YEL WIRE