Lexus RX III facelift (2012-2015) ecu-acc fuse Wiring diagrams

1 2 3 4 TTRS TTLS TTLA 1 2 3 5 6 TSL TSR CLTE CLTS CLTB 17 9 10 3 HZSW CANP CANN 6 28 29 30 20 21 22 13 14 3 RCTY ALT ROOM J/B FUSE ASSEMBLY (LEFT FRONT FENDER APRON) AUTOMATIC LIGHT CONTROL SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY COMPUTER DATA LINES SYSTEM CTRS D/L ALTB FUSE ECU-ACC FUSE ECU-IGI 1 FUSE ENGINE GRN WIRE GRY WIRE HEAD TAIL CLTB CLTS CLTE CANL CANH HAZ HMSL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG ALTB TRLY INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LCTY LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT QUARTERPANEL) LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR RIGHT REAR SIDE MARKER SIDE MARKER LIGHT LIGHT ASSEMBLY ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) NCA WIRE NOISE FILTER (CENTER STOP LIGHT ASSEMBLY) (CENTER REAR OF ROOF) ORG/ WIRE RED WIRE RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY STOP STP+ TAIL TAIL FUSE TAIL RELAY TOWING CONVERTER (RIGHT SIDE OF CARGO AREA) TRAILER HITCH TRN+ TRNI TRNR TURN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

21 20 BZR HCTY 4 2 5 FRCY FLCY LSWL SH 5 2 17 3 PBDS LSWR HZSW ACTG BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L ALTB FUSE D/L SOURCE RELAY DETECTION DOOR CONTROL SWITCH ASSEMBLY DOOR LOCK RELAY DR UNLOCK RELAY ECU-ACC FUSE ECU-IGI 1 FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ IND INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) KEY LCTY LEFT FRONT DOOR LOCK MOTOR (IN DRIVER'S DOOR) LOCK KEY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PNK LSFL RCTY HAZ CANL CANH WIRE PNK WIRE RED WIRE RIGHT REAR DOOR COURTESY LIGHT SWITCH (AT RIGHT REAR "C" PILLAR) RIGHT REAR DOOR LOCK MOTOR (IN RIGHT REAR DOOR) UNLOCK VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

14 13 TRLY FFGO 15 22 HRLY DIM 15 8 5 30 28 29 27 22 21 20 DRL HF HU TAIL 2 4 11 FLCY FRCY 6 5 3 2 1 CLTB CLTS CLTE TSR TSL 9 10 8 21 CANP CANN RLEW LLEW AUTO TAIL OFF AUTOMATIC LIGHT CONTROL SENSOR (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CANADA USA COMPUTER DATA LINES SYSTEM D/L ALT B FUSE DIMMER SWITCH ECU-ACC FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD FFOG CLTE CLTS CLTB PNK WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ HOT W/ ACC 1 RELAY ENERGIZED INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LCTY INTERIOR LIGHTS SYSTEM RCTY LEFT FOG LIGHT ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH PD FUSE PNK WIRE RED WIRE RIGHT FOG LIGHT ASSEMBLY SOLAR SENSOR AIR CONDITIONING SYSTEM TAIL AUTO HEAD OFF DRL OFF DRL OFF TAIL FUSE TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

23 24 PNK CANH CANL WIRE 32 29 31 IG AUTO TAIL BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM D/L ALT B FUSE ECU-ACC FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD CANL CANH HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT END OF DASH) HOT AT ALL TIMES HOT W/ HOT W/ ACC 1 RELAY ENERGIZED INIT INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LH - LHE LHM+ LHT RHT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) OFF RED WIRE RH+ CANH CANL RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (AT RIGHT REAR SUSPENSION) SBR SHRL SGR SHB SHG SHRR SMGL SMGR SMGR RHE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

6 5 20 CANP CANN FUL 8 7 CTY BACK DOOR LOCK ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 1 FUSE ENGINE HOOD COURTESY SWITCH (CENTER FRONT OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) ES TX- GAUGE 1 FUSE GRN WIRE GRY WIRE HDD PNK WIRE HDU HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HUD ILD ILU ILU ILD HUDO HUDU HUDD INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) MAIN BODY ECU LCTY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT REAR "C" PILLAR) LT BLU WIRE LT GRN WIRE METER MIRROR SUB-ASSEMBLY (LEFT SIDE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY (LEFT END OF DASH) PNK WIRE POWER BACK DOOR UNIT ASSEMBLY RCTY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT RIGHT REAR "C" PILLAR) SATELLITE SWITCH SET VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE ECU-ACC FUSE GAUGE 1 FUSE GRN WIRE GRY WIRE GVIF HOT W/ HOT W/ ACC 1 RELAY ENERGIZED ILL INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MULTI- DISPLAY ASSEMBLY NCA WIRE PARKING BRAKE SWITCH (LEFT END OF DASH) PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 TWR+ VIO WIRE W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 IG 1 2 4 17 5 7 FROM INSTRUMENT PANEL J/B ACCD (DIAGRAM 3 OF 4) ALT B BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D/L ALT B FUSE D/L SOURCE RELAY ECU-ACC FUSE F/L DOOR FUSE F/R DOOR FUSE FR FOG FUSE FR FOG RELAY FROM FROM ENGINE ROOM R/B ASSEMBLY FROM ENGINE ROOM R/B ASSEMBLY (DIAGRAM 2 OF 4) FROM INSTRUMENT PANEL J/B FROM INSTRUMENT PANEL J/B (DIAGRAM 3 OF 4) FROM TAIL FUSE (DIAGRAM 3 OF 4) FUEL OPN FUSE FUSE GRN WIRE GRY WIRE INVERTER FUSE INVERTER RELAY (LEFT 'C' PILLAR) LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MEMORY SYSTEMS MIRRORS, MEMORY, POWER WINDOWS SYSTEMS OBD FUSE P-SEAT LH FUSE P-SEAT RH FUSE POWER MANAGEMENT CONTROL ECU POWER OUTLET SOCKET ASSEMBLY POWER SWITCH POWER TOPS SYSTEM POWER WINDOWS SYSTEM PSB FUSE RED WIRE RELAY (DIAGRAM 3 OF 4) RL DOOR RR DOOR S/ROOF FUSE SEATS SYSTEM SEATS, MEMORY SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM TI, TE FUSE TRUNK, TAILGATE, FUEL DOORS SYSTEM VOLTAGE INVERTER (LEFT SIDE OF CARGO AREA) WARNING, INSTRUMENT AIR CLUSTER CONDITIONING, SYSTEM NAVIGATION, SOUND SYSTEMS WHT WIRE WHT/BLK WIRE YEL WIRE

21 20 BZR HCTY 4 2 5 FRCY FLCY LSWL SH 5 2 17 3 PBDS LSWR HZSW ACTG BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L ALTB FUSE D/L SOURCE RELAY DETECTION DOOR CONTROL SWITCH ASSEMBLY DOOR LOCK RELAY DR UNLOCK RELAY ECU-ACC FUSE ECU-IGI 1 FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT W/ IND INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) KEY LCTY LEFT FRONT DOOR LOCK MOTOR (IN DRIVER'S DOOR) LOCK KEY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PNK LSFL RCTY HAZ CANL CANH WIRE PNK WIRE RED WIRE RIGHT REAR DOOR COURTESY LIGHT SWITCH (AT RIGHT REAR "C" PILLAR) RIGHT REAR DOOR LOCK MOTOR (IN RIGHT REAR DOOR) UNLOCK VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE ECU-ACC FUSE GAUGE 1 FUSE GRN WIRE GRY WIRE GVIF HOT W/ HOT W/ ACC 1 RELAY ENERGIZED ILL INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MULTI- DISPLAY ASSEMBLY NCA WIRE PARKING BRAKE SWITCH (LEFT END OF DASH) PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 TWR+ VIO WIRE W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK 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