Honda Civic VIII facelift (2008-2011) audio unit Wiring diagrams

+B INTR LT GND RR BASS L- RR BASS R- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 RR L+ RR R+ BOOST SW 15 16 5 6 RR R- RR L- RR R+ RR L+ AUDIO UNIT BASS UNIT BASS UNIT IN-LINE FUSE BLK WIRE BLU (OR PNK) WIRE BLU WIRE BRN WIRE FUSE 22 GRY WIRE HOT AT ALL TIMES LEFT REAR SPEAKER LT GRN/BLK WIRE ORG/ WIRE PNK (OR GRN) WIRE RED WIRE RIGHT REAR SPEAKER RR BASS L+ RR BASS R+ RR L- RR R- BOOST SW UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) WHT (OR LT BLU) WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

+B INTR LT GND RR BASS L- RR BASS R- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 RR L+ RR R+ BOOST SW 8 2 16 11 RR R- RR L- RR R+ RR L+ AUDIO UNIT BASS UNIT BASS UNIT IN-LINE FUSE BLK WIRE BLU WIRE BRN WIRE FUSE 22 GRY WIRE HOT AT ALL TIMES LEFT REAR SPEAKER LT GRN/BLK WIRE ORG/ WIRE PNK RR BASS L+ RR BASS R+ RR L- RR R- BOOST SW WIRE PNK WIRE RED WIRE RIGHT REAR SPEAKER UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ILL- RL SIG- FL SIG- SCTY RADIO 1 2 3 RF IN RF SH ANT +B 2-DOOR USA EX, EX-L, SI AM SIGNAL WINDOW ANTENNA AM/FM ANTENNA AMPLIFIER ANTENNA OUTPUT ANTENNA LEAD CONNECTOR (UNDER FRONT OF CENTER CONSOLE) AUDIO UNIT AUX DET AUX GND AUX L + AUX L AUX R AUX DET AMP ON AUX R + AUX SGND AUX SGND AUX SH GND AUX GND AUDIO REMOTE GND AUDIO REMOTE SW AUXILIARY JACK ASSEMBLY BLK WIRE BLU LT WIRE BLU WIRE BRN WIRE DLC (UNDER LEFT SIDE OF DASH) ECM/PCM (LEFT SIDE OF ENGINE COMPT) FM SIG IN FM SIGNAL WINDOW ANTENNA FUSE 17 FUSE 23 FUSE 35 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON LT BLU WIRE LT GRN WIRE MICU NCA WIRE ORG/ WIRE P-GND PNK PPL WIRE PNK WIRE POWER SHIELD INPUT PPL RADIO SW VBU VBU REAR WINDOW RED WIRE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

+B AUDIO AMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +B SYS ACC BUS SH GND SAT SH GND SAT R+ SAT L+ 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SAT L- SAT R- 2-DOOR USA EX, EX-L, SI 5 4 3 2 1 USB VBUS USB DATA- USB DATA+ USB GND USB SH ACC RADIO AMP ON AUDIO UNIT BLK WIRE BLU WIRE BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING WHEEL) CHANNEL CHANNEL DOWN DRIVER'S DOOR SPEAKER FL SIG FR L SPKR- FR L TW- FR R SPKR- FR R TW- FR SIG FRONT PASSENGER'S DOOR SPEAKER GA-NET BUS+ GA-NET BUS- GND PNK WIRE GND GA-NET BUS- GA-NET BUS+ PNK WIRE GRN WIRE GRN/RED WIRE GRY WIRE LEFT REAR SUBWOOFER SPEAKER LEFT TWEETER LT BLU WIRE LT GRN WIRE MODE SWITCH NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK WIRE PPL RADIO REMOTE SWITCH RED WIRE RED/BLK WIRE RIGHT REAR SPEAKER RIGHT TWEETER RL SIG RR L SPKR- RR R SPKR- RR SIG SAT L+ SAT R+ SAT SH GND +B SYS ACC GA NET BUS SH SAT R- SAT L- SIG SHIELD STEERING WHEEL) STEREO AMPLIFIER (2-DOOR: UNDER MIDDLE OF DASH) (4-DOOR: UNDER DRIVER'S SEAT) SUBWOOFER SWITCH SWITCH DOWN VOLUME USB USB ADAPTER UNIT USB JACK VOLUME UP WHT WIRE

1 2 3 4 5 1 2 3 4 5 USB VBUS USB DATA- USB DATA+ USB GND USB SH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ILL- RR L- FR L- SCTY RADIO 1 2 3 RF IN RF SH ANT +B 3 2 4 5 1 AUX SGND AUX GND AUX L AUX R AUX DET AM/FM ANTENNA AM/FM ANTENNA CONNECTOR AUDIO REMOTE SWITCH (USA EX, EX-L) AUDIO UNIT AUX L AUX R AUX DET AUX SGND AUX SH GND AUX GND AUDIO REMOTE GND AUDIO REMOTE SW AUXILIARY JACK ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING WHEEL) CENTER CONSOLE) (HYBRID: BEHIND RIGHT END OF DASH) ANTENNA LEAD CONNECTOR CHANNEL DOWN SWITCH CHANNEL UP SWITCH DLC (UNDER LEFT SIDE OF DASH) ECM/PCM (LEFT SIDE OF ENGINE COMPT) FM SIGNAL WINDOW ANTENNA EXCEPT HYBRID HYBRID FRONT PASSENGER'S DOOR SPEAKER FUSE 35 GA-NET BUS+ GA-NET BUS- GND PNK WIRE GRN WIRE GRN/RED WIRE GRY (OR BLK) WIRE GRY WIRE HOT IN ACC OR ON K-LINE FR R- RR R- GND ILL+ RR L+ FR L+ VSP ACC RADIO FR R+ RR R+ +B BACK UP LEFT REAR SPEAKER LEFT TWEETER LT (OR PNK) WIRE LT BLU WIRE LT GRN WIRE LT PNK WIRE MICU P-GND MODE SWITCH NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK WIRE PPL RADIO SW VBU REAR WINDOW AM SIGNAL WINDOW ANTENNA RED WIRE RED/BLK WIRE RIGHT DRIVER'S TWEETER DOOR SPEAKER RIGHT REAR SPEAKER SAT R- SAT L- STEERING WHEEL) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) USB USB ADAPTER UNIT USB JACK VBU VOLUME DOWN SWITCH VOLUME UP SWITCH VSS OUT WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 +B SYS ACC BUS SH GND SAT SH GND SAT R+ SAT L+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ILL- RR L- FR L- SCTY RADIO 1 2 3 4 5 USB VBUS USB DATA- USB DATA+ USB GND USB SH 1 2 3 RF IN RF SH ANT +B 3 2 4 5 1 AUX SGND AUX GND AUX L AUX R AUX DET AM SIG IN AM SIGNAL FM SIGNAL WINDOW ANTENNA ANTENNA WINDOW WINDOW AM/FM ANTENNA AMPLIFIER (RIGHT "C" PILLAR) ANT OUT ANTENNA LEAD CONNECTOR (UNDER FRONT OF CENTER CONSOLE) AUDIO UNIT AUX L AUX R AUX DET AUX SGND AUX SH GND AUX GND AUXILIARY JACK ASSEMBLY BLK WIRE BLU WIRE BRN WIRE CANADA DX DLC (UNDER LEFT SIDE OF DASH) DRIVER'S DOOR SPEAKER ECM/ PCM (LEFT SIDE OF ENGINE COMPT) FM SIG IN FRONT PASSENGER'S DOOR SPEAKER FUSE 35 GA-NET BUS+ GA-NET BUS- GND PNK WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES UNDER-HOOD FUSE 23 FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) HOT IN ACC OR ON K-LINE FR R- RR R- GND ILL+ RR L+ FR L+ VSP ACC RADIO FR R+ RR R+ +B BACK UP LEFT REAR SPEAKER (EXCEPT GX) LT BLU WIRE LT GRN WIRE MICU P-GND NCA WIRE ORG/ WIRE PNK WIRE PPL PWR IN RADIO SW REAR RED WIRE RIGHT REAR SPEAKER (EXCEPT GX) SAT R- SAT L- SHIELD UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) USB USB ADAPTER UNIT (2 DOOR CANADA LX) USB JACK VBU VSS WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ANT +B ACC RADIO PPL AM SIG IN AM SIGNAL WINDOW ANTENNA AM/FM ANTENNA AMPLIFIER (RIGHT "C" PILLAR) POWER INPUT ANTENNA SHIELD OUTPUT AUDIO UNIT AUX L AUX R AUX DET AUX SGND AUX SH GND AUX GND AUXILIARY JACK ASSEMBLY BLK WIRE BLU WIRE BRN WIRE DRIVER'S DOOR SPEAKER FM SIG IN FM SIGNAL WINDOW ANTENNA FRONT PASSENGER'S DOOR SPEAKER FUSE 23 FUSE 35 GRN WIRE GRY (OR YEL) WIRE GRY WIRE HONDA ACCESSORY HOT AT ALL TIMES HOT IN ACC OR ON LEFT REAR SPEAKER LT GRN WIRE MICU VBU NCA WIRE ORG/ WIRE PNK WIRE PPL REAR WINDOW RED WIRE RIGHT REAR SPEAKER RR R+ RR L+ FR R+ FR L+ ILL+ + B BACK UP RR R- RR L- FR R- FR L- ILL- RADIO GND SIG UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU WHT WIRE YEL WIRE YEL/GRN WIRE

1 2 3 SIG SYS ACC GND 2 1 2 T-ANT SHD (XM) 11 12 PPL GND 1 PARKING GND 4 5 6 SHIELD AUDIO RCH+ AUDIO LCH+ AUDIO UNIT BLK WIRE BLU WIRE BRN WIRE EXCEPT HYBRID GRN WIRE GRY WIRE HOT IN ACC OR ON FUSE 35 LT BLU WIRE MICU END OF DASH) VBU VBU NCA WIRE ORG/ WIRE PNK WIRE PPL PPL PPL ACC RADIO +B BACK UP RADIO GND RED WIRE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE XM ANTENNA XM RECEIVER (RIGHT SIDE OF TRUNK) YEL WIRE