Lexus RX III facelift (2012-2015) instrument cluster system Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 BATT 120 46 2 25 27 NSW STA 26 77 78 79 80 19 18 17 PNK WIRE 34 25 38 27 10 11 MREL 55 56 57 58 59 60 VPA BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN (-) CAN (+) COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI MAIN EFI MAIN RELAY ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) ETA VCTA M+ M- FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT GRN WIRE NCB NCO NTB NTO ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE SFTU SFTD CANH CANL SLU- SLU+ SLT- SLT+ STA NSW STP IGSW PNK WIRE STOP FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL ASSEMBLY) THROTTLE W/ MOTOR BODY ASSEMBLY (REAR LEFT SIDE OF ENGINE) TRANSMISSION CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) VCPA EPA PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+ECU 1 2 INTERIOR LIGHTS SYSTEM RCYL LSWR DOOR LOCKS SYSTEM 12 13 14 15 PKB FFGO TRLY HRLY HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 24 25 26 27 28 29 30 31 32 GSW 5 6 PBDS TRUNK, TAILGATE, FUEL DOORS SYSTEM 8 7 CANP CANN 8 9 PNK CANN CANP WIRE ACTG ACT- ACT+ ACTD DOOR LOCKS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM BECU ALTB IG BLK WIRE BLU WIRE BRN WIRE D/L ALT B FUSE D/L SOURCE RELAY DMDR DMON INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM ECU, SWITCH ASSEMBLY (LEFT SIDE OF DRIVER'S SEAT CUSHION) ECU- IG 1 FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT DOOR) FUSE GRN WIRE GRY WIRE HCTY BZR DIM IND HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM RLEW CANP CANN HORN HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILE FLCY FRCL FRCY LSWL 2 3 4 5 6 7 8 9 10 INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT POSITION CONTROL LEFT FRONT POWER WINDOW LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN LEFT REAR DOOR) LIN LIN 1 LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION SYSTEM EXTERIOR LIGHTS SYSTEM SFTP HZSW ORG/ WIRE PNK WIRE RED WIRE REGULATOR RIGHT FRONT POWER WINDOW RIGHT REAR POWER WINDOW REGULATOR SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CTR + GRN WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LT BLU WIRE LT GRN WIRE MI+ MO- NAVIGATION RECEIVER ASSEMBLY NCA WIRE PNK WIRE RED WIRE SL- SLDI SLDO SR- STEREO COMPONENT AMPLIFIER ASSEMBLY (LUGGAGE COMPARTMENT) TMUT TWL- USB USBG USBV VIO WIRE VOR- VOT+ W/ REAR SEAT ENTERTAINMENT SYSTEM W/O REAR SEAT ENTERTAINMENT SYSTEM WF- WFL- WFR- WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CTR + GRN WIRE GRY WIRE INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LT BLU WIRE LT GRN WIRE MI+ MO- NAVIGATION RECEIVER ASSEMBLY NCA WIRE PNK WIRE RED WIRE SL- SLDI SLDO SR- STEREO COMPONENT AMPLIFIER ASSEMBLY (LUGGAGE COMPARTMENT) TMUT TWL- USB USBG USBV VIO WIRE VOR- VOT+ W/ REAR SEAT ENTERTAINMENT SYSTEM W/O REAR SEAT ENTERTAINMENT SYSTEM WF- WFL- WFR- WHT WIRE WHT/BLK WIRE WUI WUO YEL WIRE

AGND ALO ARO ASGN ATX- AUXO BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B LT BLU WIRE LT GRN WIRE MAIN ANTENNA MIN+ MACC MIN- SGND MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK ATX- WIRE PNK TX+ TX- IVO+ IVO- WIRE PNK WIRE R- L- GND RAD 3 FUSE RADIO 2 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED SDARS ANTENNA STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA SWG TXM- TXM+ UDO+ UJSG UPI VAR+ VA- VAL+ AGND ADPG ADIM VIO WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MUTE L- L+ R- R+ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTR + ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FL- FR- RL- RR- FL- FR- RL- RR- PNK WIRE FRONT SPEAKER ASSEMBLY 4 FUSE GND WFL+ WFR+ GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LEFT REAR SPEAKER ASSEMBLY PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY SPD PNK WIRE STEREO COMPONENT AMPLIFIER ASSEMBLY (LUGGAGE COMPT) TMUT TWL- TX- TX+ VIO WIRE WFL- WFR- WHT WIRE WHT/BLK WIRE YEL WIRE

ADPG AGND AIR ARON BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ECU-ACC FUSE FRONT WIPER DEICER SWITCH GAUGE 1 FUSE GIVF GRN WIRE GRY WIRE ILL INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MACC MIN MODE MULTI- DISPLAY ASSEMBLY NCA WIRE OFF HOOK ON HOOK PASSENGER AIR BAG ON/OFF INDICATOR PBEW PBLT PNK WIRE RADIO 2 FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT STEERING PAD SWITCH SEEK SEUC SGND SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM SWG VA- VAL+ VAR+ VIO WIRE VMTI VOICE VOLUME- WHT WIRE WHT/BLK WIRE YEL WIRE

+B SPI+ SPI- 1 2 3 4 5 6 7 USB USBG VOT+ USBV VOT- VOR- VOR+ 28 13 28 13 FR- FR+ 5 3 4 1 BBO- AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BACKUP BATTERY (MAYDAY BATTERY) (RIGHT SIDE OF DASH) BBI+ BBO- BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) (UNDER CENTER CONSOLE) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES ILL+ GSW SIL SIG- INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE MACC MAYDAY/TEL FUSE MCO- MIN MUTE MCO+ MCO- NAVIGATION RECEIVER ASSEMBLY (W/ NAVIGATION) NCA WIRE ORG/ WIRE OVERHEAD MODULE PNK 18 12 WIRE PNK WIRE RADIO 2 FUSE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 RRID SGND SGND MCVD MCI+ MCI- SLED SPDP SPO+ SPO- STEREO COMPONENT AMPLIFIER (LUGGAGE COMPT) TELEPHONE ANTENNA TMUT TWR- TWR+ USB USBG USBV VIO WIRE VOR- VOT+ W/ NAVIGATION W/ RADIO, DISPLAY RECEIVER TYPE W/O NAVIGATION W/O RADIO, DISPLAY RECEIVER TYPE WHT WIRE WHT/BLK WIRE YEL WIRE

6 SPEED A/T 8 SPEED A/T ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM INSTRUMENT CLUSTER SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI MAIN F/PMP EFI 2 FUSE FUSE FUSE EFI MAIN RELAY ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) F/PUMP RELAY FPR MPMP FUEL PUMP, FUEL SENDER GAUGE ASSEMBLY (TOP OF FUEL TANK) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM J/C LEFT QUARTERPANEL) LT BLU WIRE LT GRN WIRE NEO ORG/ WIRE PNK IMI WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE RFC LGND CCS STA SFTD IGSW IMO VPMP STP CCHG SFTU TACH TC TRANSMISSION CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) VCPA EPA PNK WIRE VIO WIRE WARNING SYSTEMS COMPUTER DATA LINES SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

18 19 SHIELD BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLU WIRE BRN WIRE EFI MAIN EFI 1 FUSE FUSE EFI MAIN RELAY ENGINE ROOM R/B 3 ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) F/PMP RELAY FRONT MOTOR GENERATOR 1 (LEFT FRONT OF ENGINE COMPT) FUEL PUMP RESISTOR (RIGHT REAR OF ENGINE COMPT) FUEL PUMP, FUEL SENDER (TOP OF FUEL TANK) FUSE GCS GCSG GMT GMTG GRF GRFG GRN WIRE GRN/RED WIRE GSN GSNG HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT "C" PILLAR) LT GRN WIRE OIL PMP OIL PMP RELAY OPG OPST ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/GRY WIRE PNK WIRE RED WIRE SHIELD VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE