Lexus IS III (2013-2016) Navigation circuit

+ECU 1 2 3 4 5 6 7 8 9 10 FR+ FL+ 1 2 GVIF GVIF ACC RELAY ADPG AGND BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LT BLU WIRE MAIN ANTENNA NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK 6 7 WIRE PNK 9 8 7 ACCD CANL CANH WIRE PNK WIRE RADIO FUSE RADIO RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED SHIELD SHIELD PNK AGND VV+ VAR+ VAL+ WIRE SHIELD SG VV- VA- ADPG STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA VA- VAL+ VAR+ VIO WIRE VV- WHT WIRE WHT/BLK WIRE

17 18 SHIELD ANTENNA BACK BLK WIRE BLU WIRE BRN WIRE CA+ CGND SHIELD COMBINATION METER COMPUTER DATA LINES SYSTEM DISP OFF HOOK DISP VOICE FUSE GPS ANTENNA GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED ILL ILL INPUT CIRCUIT INSTRUMENT CLUSTER SYSTEM J/C 27 (BEHIND LEFT SIDE OF DASH) J/C 70 (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT STEERING PAD SWITCH LH ECU-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAIN BODY ECU PKB IND MICRO COMPUTER MIN MIN+ SGND MACC SHIELD MPX MSSL MULTI-MEDIA MODULE RECEIVER ASSEMBLY NCA WIRE ON HOOK ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PKB SPD REV PNK WIRE RAD 3 FUSE RED WIRE RH ECU-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT STEERING PAD SWITCH SEEK SEEK- MODE SHIELD SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH SWG TV 1 FUSE V+ V- VIO WIRE VMTF VOL (-) W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

8 SPEAKER 15 SPEAKER A/C SWITCH BLK WIRE BLU WIRE CA+ CB+ CGND CV+ GRN WIRE GVIF ILL KE (UNDER CENTER CONSOLE) LT GRN WIRE MI+ MO- MULTI- DISPLAY ASSEMBLY MUTE ORG/ WIRE PNK 17 18 19 20 21 22 WIRE PNK 6 7 WIRE RED WIRE REV SHIELD SHIELD SHIELD SLD SLDI SLDO TMUT VIO WIRE VMTI WHT WIRE WHT/BLK WIRE WUI

17 18 SHIELD BLK WIRE BLU WIRE CB+ CGND COMPUTER DATA LINES SYSTEM CV+ GRN WIRE GRY WIRE GVIF LIGHTS SYSTEM INTERIOR LINES SYSTEM COMPUTER DATA LT GRN WIRE MCI- MCO- MCVD MULTI-DISPLAY ASSEMBLY SECURITY INDICATOR LAMP MUTE ORG/ WIRE PNK WIRE REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 SEUC SGND SHIELD SHIELD 8 9 SHIELD 9 10 11 12 13 14 15 16 SPI+ SPO- TELEVISION CAMERA ASSEMBLY (REAR OF TRUNK LID) TWR+ USB USBG USBV VIO WIRE VMTI VOR- VOT+ W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

15-SPEAKER 16 17 18 PNK WIRE BLK WIRE BLU WIRE BRN WIRE GRN WIRE GRY WIRE KC (RIGHT KICK PANEL) LEFT STEERING PAD SWITCH LT GRN WIRE MI+ MO- OFF HOOK ON HOOK ORG/ WIRE PNK 17 18 19 20 21 22 WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE REMOTE OPERATION SWITCH RIGHT STEERING PAD SWITCH SEEK SHIELD SLDI SLDO SPIRAL CABLE W/ SENSOR SUB-ASSEMBLY STEERING PAD SWITCH ASSEMBLY USB USBG USBV VIO WIRE VOICE VOICE RETURN MODE VOL (-) VOR- VOT+ WHT WIRE WHT/BLK WIRE WUO

ADPG AGND ALO ARO ASGN AUXO BLK WIRE BLU WIRE BLU/BLK WIRE GRN WIRE GRN/RED WIRE LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LT BLU WIRE MACC MCO- MI+ MICROPHONE MO- MULTI-MEDIA MODULE RECEIVER ASSEMBLY NCA WIRE PNK WIRE RED WIRE SHIELD SHIELD 8 9 SLDI SLDO STEREO JACK ADAPTER ASSEMBLY 1 TWL- UDO+ UJSG UPI USB USBG USBV VA- VAL+ VAR+ VIO WIRE VOR- VOT+ W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WUO

16 17 18 PNK WIRE ADIM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE HOT W/ INSTRUMENT PANEL J/B (LEFT END OF DASH) KC (RIGHT KICK PANEL) KE (UNDER CENTER CONSOLE) LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCO- METER FUSE MICROPHONE MIN ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY (LEFT SIDE OF DASH) PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE SGND SHIELD SHIELD SHIELD SWG VIO WIRE VMTF W/ LEXUS ENFORM, SAFETY CONNECT W/O LEXUS ENFORM, SAFETY CONNECT WHT WIRE WHT/BLK WIRE

-TW 14 SPEAKER 13 SPEAKER BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CTR + ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT REAR SPEAKER ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 2 LEFT REAR SPEAKER ASSEMBLY 3 LEFT REAR STEREO COMPONENT SPEAKER ASSEMBLY LT BLU WIRE LT GRN WIRE MI+ MI- SLDI MO+ MO- SLDO WUI OF TRUNK) PNK WIRE RAD 1 FUSE RAD 2 FUSE RED WIRE RED/BLU WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY RIGHT REAR SPEAKER ASSEMBLY 2 RIGHT REAR SPEAKER ASSEMBLY 3 RIGHT REAR STEREO COMPONENT SPEAKER ASSEMBLY SL- ML- SR- MR- FL- FR- RL- RR- STEREO COMPONENT AMPLIFIER (RIGHT REAR STEREO COMPONENT SPEAKER ASSEMBLY VIO WIRE WFL- WFR- PNK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

15 SPEAKER 8 SPEAKER BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER DISPLAY ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GVIF HOT AT ALL TIMES KC (RIGHT KICK PANEL) LCD DRIVER LT BLU WIRE LT GRN WIRE MCI- MCO- MCVD MPX-B 1 FUSE MSCH MSCL MUTE ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 SGND SHIELD SHIELD SHIELD SPEAKER SPI+ SPO- TELLTALES USB USBG USBV VIO WIRE VOR- VOT+ W/ LEXUS ENFORM, SAFETY CONNECT W/O LEXUS ENFORM, SAFETY CONNECT WHT WIRE

-TW 15-SPEAKER AMP 1 FUSE AMP 2 FUSE BLK WIRE BLU WIRE BRN WIRE CTR + FRONT SPEAKER ASSEMBLY 3 GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2 LEFT REAR SPEAKER ASSEMBLY LEFT REAR SPEAKER ASSEMBLY 2 LT BLU WIRE LT GRN WIRE ORG/ WIRE PC (RIGHT REAR OF TRUNK) PNK PNK PNK WIRE PNK WIRE PPL/BLK WIRE PPL/GRY WIRE REAR SPEAKER ASSEMBLY 3 RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY RIGHT REAR SPEAKER ASSEMBLY 2 SL- SR- FL- FR- RL- RR- STEREO COMPONENT AMPLIFIER VIO WIRE WFL- WFR- WHT WIRE