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1 RX 300 ELECTRICAL WIRING DIAGRAMP ow er S ou rc eS tarting a nd Ignition1C harg ing324WB–YACCIG1 4B–Y2 AM1W–LBST17 1C1 1CB–WIG2 6BST2 8B–W3 1G4 1CW–L3 1C5 1B1 IH1B–R1 2HW–R311 D 18 DMPX1 MPX242RL15 EE8 D , E9 E23YBW–BBW–BBW–BBW–BBW–BENGINE CONTROL MODULE41G–B2W–R41I7IGNITION COIL AND IGNITER NO. 63Y2W–R41I6IGNITION COIL AND IGNITER NO. 53L–Y2W–R41I5IGNITION COIL AND IGNITER NO. 439 II16 EC1W–BW–BW–BW–BYW–BBBW–BTo Engine Control Module 2–8 J5JUNCTIONCONNECTORCowl side panel LHB1 BLS BIG BB AAIEBWBB–RBW–LB11 BAS1 A , S2 BSTARTERW–RTo Engine ControlModule 2–10 W–BWBBBW–BW–B140A ALTB–W19 IH12R1F9FUSIBLE LINK BLOCK3W–RY–G541I4IGNITION COIL AND IGNITER NO. 3B43L–RWWWB21W–R1 2D1I3IGNITION COIL AND IGNITER NO. 26 2AP1PARK/NEUTRALPOSITION SWB–Y2 2D6W–R1 2IN2N1NOISE FILTER(Ignition System)20A AM240A AM131 1A5PSTARTERRELAYW–R1B–W21W–R9 IH125W–RSee MultiplexCommunicationSystem 7–18 B–W7. 5A ALT–S50A MAINW–LW–L6 2CW–RI2IGNITION COIL AND IGNITER NO. 12000 LEXUS RX 300 (EWD395U)9 1G16 1CFrom Engine Control Module 2–8 W–R7. 5A STARTERW–RI15IGNITION SW12 1G15A ECU–IG7 AM2321G1 A , G2 BGENERATOREBSurge tank RHM
225A A/F HTRWB–OW2000 LEXUS RX 300 (EWD395U)20A ��BB–R40A AM1WUpper the rear axlehousing left16 AW–BW–BW–BL–WW–BW–BW–B140A ALTW7. 5A OBDIFDash panel centerBR–WBIF16FUEL PUMPRight radiatorside supportL–YAA511 5B3 5BW–BEDA2W–B2B–RF9FUSIBLE LINKBLOCK20A EFI3 1E12 1E 3 1LBR–W10 5A8 5A 9 5AW13 2D 8 2B1 CR–LM45 3E1 3ASIL7W28 IB11SG5W–L314CGBATD4DATA LINKCONNECTOR 316W4 2F 2 2G 4 2B312B3E1 B12TE1D1DATA LINKCONNECTOR 18BR–WBATTERYW–LB–R25B–W2B–WCIRCUIT OPENINGRELAY55 2G13 1KR–W15 2B231From BodyECU 7–11 1 2IB–Y7 2B4 1C1517 1CW–B6 2CBB–WB–OB–WB–WL–RFrom Center AirbagSensor Assembly 13–4 RL–YY–GBR–WL–W312 1G6 1G6 1F11IH1B–O4NMLKJIHGFEDCBA(Cont. next page)P–B512W–R3 1C7. 5AIGN1 1C 1 1GW–GB–O315A HEATER1 1AW–L6 1CB–YB–WBB–YST2 8IG2 6ST1IG1 4B–YB–WI15IGNITION SW7 AM22 AM1ACC2E ngine C ontrol and E ngine Immobiliser S ys temB–O10 1EW–L1P ow er S ourceB–O12B–W22 RX 300M OVERALL ELECTRICAL WIRING DIAGRAMBR–WWC12 A , C14 CMALFUNCTIONINDICATOR LAMP[COMB. METER ECU]Y–GB–W7. 5A STARTERA/F HEATERRELAYB–WB–RL–WB–REFI RELAY
2 RX 300 (Cont’ d)(Cont. next page)E ngin e C ontrol and E ngine Immobiliser S y stem5ABCDL–WL–RL–RFrom Ignition Coil and Igniters 1–3 See Charging System 1–4 L–R12To Ignition Coil and Igniters 1–2 1–3 1–4 115 EMPX1B11 DG–BMPX2Y18 DL–Y4 C#60Y–G3 C#50L–RG2 C#40B–YR1 C#30I13INJECTOR NO. 612L6 B#20L–R12BYW5 B#102I12INJECTOR NO. 51L–R2I11INJECTOR NO. 41I10INJECTOR NO. 3I9INJECTOR NO. 2I8INJECTOR NO. 1B–OFC3 DHTS9 EOXS8 E11 C 12 C 13 C 14 C 15 C 16 C 25 CRLIGT1IGT2IGT4IGT3IGT5IGT6E01E02IGFAFL AFL–CCVACIS10 DACI117 CACM115 BEVP111 ARSO7 B26 C21 C 31 CG2113V4VSV(EVAP)12V3VSV(ACM)12212W–B2V2VSV(ACIS No. 2)4V1VSV(ACIS No. 1)2V11VSV(CanisterClosed Valve)3(*1)411W–BGI1IDLE AIR CONTROL VALVEY–RW–LL–Y18 �RB–RBR4 EB1BR–WGE143(*1) B21A12AIR FUEL RATIO SENSOR(Bank 2 Sensor 1)OXG3HTA11AIR FUEL RATIO SENSOR(Bank 1 Sensor 1)H9HEATED OXYGEN SENSOR(Bank 1 Sensor 2)W1R7 IA2B8 IE2HAFL4 B 12 B 21 BW–BL8 IA2HAFR AFR AFR–3 B 11 B 20 BWBL–YW–B2 ��WBR–WFW–BL–WW–BNB–YW6 DY–GL–WMB–W4 D 20 E 8 D 1 D 2 DSILNSW MREL BATT IGSWL–WLB–WW5 ETCL–WKL–RE 5 A , E 6 B , E 7 C , E 8 D , E 9 E ENGINE CONTROL MODULEY–GA A16 D BP–BC BJ3 B , J4 AJUNCTION CONNECTORA AL–WL–WC B3 ETBPL–WL–WL–RV12VSV(Pressure Switching Valve)2000 LEXUS RX 300 (EWD395U)21 ��RHAB–YL–RGB–OL–RF8See Multiplex CommunicationSystem 7–18 E* 1 : Shielded76BR–WSurge tank RHEBM
M OVERALL ELECTRICAL WIRING DIAGRAM19 IE2LW21NE 16 BB(*1)WK1KNOCK SENSOR 11B(*1)(*1)1(*1)W–BRear side ofsurge tankW–BW–B2000 LEXUS RX 300 (EWD395U)(*1)BRABR–W )AA(*1)ASee Automatic AirConditioning System 23–3 (*1) AECW–B(*1) AE05E04E038 B 1 B 30 CLCKIK2KNOCK SENSOR 2WW–B10 AE117 BACMG2 EA14 EA1W3 EA1STA7 D(*1)1 EA1FromPark/NeutralPosition SW 1–2 BKNKR27 COC2–18 C12C4CRANKSHAFT POSITIONSENSOROC2 OC1–29 C5 CIMLD22 DG–OKSW23 ELOVV110 CNE–24 BWBFrom Stop Light SW 5–2 (*1)6 EV–WSee MultiplexCommunicationSystem 7–18 To UnlockWarning SW 7–11 WSTP12 IJ1V–W9To CombinationMeter ECU 21–2 OC1 12Y–BC2CAMSHAFT TIMING OILCONTROL VALVE RH6 CG–WSPDC1CAMSHAFT TIMING OILCONTROL VALVE LH22 E12G–R15 DL–WG–YG–W12VC2 B23 BVTA1E2L–WVWKNKL28 C3POV6VVT SENSOR RHE 5 A , E 6 B , E 7 C , E 8 D , E 9 E ENGINE CONTROL MODULE428 E 19 E 18 EGRCODE RXCK TXCT215CODE PXCK TXCT BT6TRANSPONDERKEY AMPLIFIERANT1TRANSPONDER KEY COILANT2GNDW–BTHW2114 BBRG–WG–YCowl side panel LHJ5JUNCTIONCONNECTOR1PS9 BMOPS17 ATACH27 EE2GTHAVV222 CLD16 IM1Y–BFrom FAN NO. 1 Relayor FAN NO. 2 Relay 22–3 R–WY–B1VTA VCT2THROTTLE POSITIONSENSOR18 BBR311L–WE2ENGINE COOLANT TEMP. SENSORL–WTo Combination MeterECU 21–2 (*1)Y–BBRAOV5VVT SENSOR LHBR10E n gine C ontrol and E ngine Immobilis er S ystemOB–WY–B2BRE2BRBR2 RX 300 (Cont’ d)O1OIL PRESSURE SW2IH13 IH1BRBR17 IM1BRV9VAPOR PRESSURESENSORY–GCF15 IM1231Y–BBRL–OB–Y26 E3L–OVG4BRW–B5Y–RM1MASS AIR FLOWMETERPTNKL–B17 D21G–B10 B 22 B 19 BB–RP4POWER STEERINGOIL PRESSURE SW12* 1 : ShieldedAIEW–B
MEMO2000 LEXUS RX 300 (EWD395U)
M OVERALL ELECTRICAL WIRING DIAGRAMDAAW–BR8TAILLIGHT LH[REAR COMB. LIGHT LH]G–O4 BC2G–O12DDJ13JUNCTIONCONNECTORILCR9TAILLIGHT RH[REAR COMB. LIGHT RH]4A1W–BAW–BUpper the rear axlehousing leftG–OW–B1C4G–O5 BD1G–OJ11JUNCTIONCONNECTOR CCG–OT–9GNDG–O114L2LIGHT FAILURE SENSOR3GT 5 IA115 3EB–Y1 3AR–W13 1K7 1C15AHEATERC14REAR LIGHTSWARNING LIGHT[COMB. METER ECU]R–L18R–Y13 IE14R–YBNW–BG–OR–YR7TAILLIGHT LH[REAR COMB. LIGHT LH]BIA W–B2W–BBM12J15JUNCTIONCONNECTORR20REAR SIDE MARKER LIGHT RHG10 IA1F3FRONT SIDE MARKER LIGHT LH34 1J2F9FUSIBLE LINK BLOCK140A ALTW2000 LEXUS RX 300 (EWD395U)BATTERYW31 1A126 1CW–L551See Illumination System 4–1 40A AM1J2JUNCTIONCONNECTORW–BEDW–B1G–W213 EC14 1BI15IGNITION SWST2IG2AM2W–L 2 AM1G–WA10ATAILB–YIG1 4ST1ACC12W–BP2PARKING LIGHT LHG–WEAP3PARKING LIGHT RHTAILLIGHTRELAY1P ow er S ourceW–BAW–B2G1G12 EC1GG–W3 RX 300J1JUNCTIONCONNECTOR14 1HF4FRONT SIDE MARKER LIGHT RH11 1B2W–B2GRight radiator sidesupportGW–BAG4 BD1GEngine compartmentright1B9 BC2GL1LICENSE PLATE LIGHTBJ11JUNCTIONCONNECTORBBGUnder the rearRH seatBGJ12JUNCTIONCONNECTORA1R19REAR SIDEMARKER LIGHT LHGW–BAW–B23GT aillightBack panel centerIGR10TAILLIGHT RH[REAR COMB. LIGHT RH]7. 5AGAUGE8D BE A2 1HJ14JUNCTIONCONNECTORAW–B2W–B1G–OJ3 B , J4 AJUNCTION CONNECTORR–LR–L
4 RX 300P ow er S ourceIllumination13257. 5A PANEL1TAILLIGHTRELAY4 3D5 3A8 3G1 3H7 3H8 3I2 3J8 3K9 3K2 3HG21 1A12 3A434 1J7 1K8 IK2GGGGGG63214G3GLOVE BOX –GYG–R3 IK285S22SEAT HEATER SW(Front Passenger’ s Seat)44S21SEAT HEATER SW(Driver’ s Seat)11T5TRACTION CUT SWILLUMINATIONE4ELECTRONICALLY CONTROLLEDTRANSMISSION PATTERNSELECT SW ILLUMINATION92I16INSTRUMENT CONTROLPANEL ILLUMINATION28O2O/D MAIN SWILLUMINATION1C11CIGARETTE LIGHTERILLUMINATIONH7HAZARD SWTAIL16 A3GGBODY ECUA28ASHTRAY ILLUMINATIONB5 A , B8 D5140A ALT14THW–GWBATTERYLIGHTCONTROLSW2000 LEXUS RX 300 (EWD395U)7 DTRLYF9FUSIBLE LINKBLOCKGGWG–WGELOFF2 3FTAIL7 3A1 3G7 3D4 3H6 3D5 3F1 3K4 3F10 CTORCowl sidepanel RHIEBR–W10B ET12ILL– C2B–R14B TC22E2 C4Y6B TRLG–B7B ILL 3W83EW–B103E9 3HW–BR6RHEOSTATA1C13 B , C14 CCOMBINATION METER ECUInstrument panelbrace RHIHM
40A AM1G–WW11 5EG–O1To Engine ControlModule 2–9 19–3 12 5E5 5E3 5CG–R4 5BTo ABS and TractionECU(*1) 16–6 To ABS ECU(*2) 17–4 5 5BG–YG–B140A ALT2000 LEXUS RX 300 (EWD395U)G–WG–OF9FUSIBLE LINK BLOCKWH10HIGH MOUNTEDSTOP LIGHTTo Shift Lock ECU 10–3 To Body ECU 7–14 G–WG–W20A STOPBATTERYG–RG–YW–BR8STOP LIGHT LH[REAR COMB. LIGHT LH]W–BBMUpper the rearaxle housing 2AAW–BUnder the rearRH seatAW–BBNR10STOP LIGHT RH[REAR COMB. LIGHT RH]J15JUNCTIONCONNECTORAR7STOP LIGHT LH[REAR COMB. LIGHT LH]W–BAJ13JUNCTIONCONNECTOR11 BC2B13BACK–UP LIGHT RHBack panel centerAR9STOP LIGHT RH[REAR COMB. LIGHT RH]J12JUNCTIONCONNECTOR436 IA1W–BBack panelcenterAA12J8JUNCTIONCONNECTORB12BACK–UP LIGHT LHAAG–R20 IH1CR–BAA11GNDIG8D BJUNCTIONCONNECTORJ3 B , J4 ACR–BW–BJ14JUNCTIONCONNECTOR4G–R1333 25 3EE A8210 IH1R–B2J13JUNCTIONCONNECTORB5 BC3G–RG–R13 BC21ST–R–L1 3A2 1H7. 5AGAUGE2 1GR–LR–B3S9STOPLIGHT SWG–W2G–WHS–R–YIL4113 1K15AHEATER7 1CR–LST L2LIGHT FAILURE SENSORR–Y5 IA118C14REAR LIGHTSWARNING LIGHT[COMB. METER ECU]9 IA1713 IE1R–YR–WR–B51 1E* 1 : w/ Traction Control* 2 : w/o Traction ControlB–Y4B ack– U p LightR–B1 1AB–Y3R–L1ST2IG2ST1IG1 4ACCI15IGNITION SWAM22 AM12S top L ightP1BACK–UP LIGHT SW[PARK/NEUTRALPOSITION SW]R–LR–B2W–L1P ow er S ourceW–L6 1C5 RX 300M OVERALL ELECTRICAL WIRING DIAGRAMW–BW–B
6 RX 300P ow er S ourc eT urn S ignal and H az ard W a rning1H orn324WWG–WACC2 AM1IG1 42 2B1 2IB–YIG2G–B7. 5AGAUGEST2G–YG–WW–LI15IGNITION SW28 1E3LRLLT7TURN SIGNAL FLASHER1514IGHORNRELAY BR–L3EHW2EL ER86 5DTL7 5D3 5F3TR TBC15HORN SW[COMB. SW]EAG–WUnder the rearRH seatTo Body ECU 7–14 G–WJ1JUNCTIONCONNECTORBMH5HORN LHEngine compartmentrightBBW–BInstrument panelbrace RH1W–BFrom Body ECU 7–11 ��BW–BIHW–BH6HORN RH7W–BF6FRONT TURN SIGNALLIGHT RHW–BUpper therear axlehousingleftGRG–YBI6B19 3HW–BED1EW–B6 3A9 5EC172TURN SIGNAL SW[COMB. SW]12AW–BRight radiatorside supportAG–YW–BAJ2JUNCTIONCONNECTOR4H75 HAZARD SWFW–BJ12JUNCTIONCONNECTORAG–YW–BBATTERY10 3EC12 A , C14 CTURN SIGNALINDICATOR LIGHT[COMB. METER ECU]W–B22 C26 II1R9REAR TURN SIGNAL LIGHT RH[REAR COMB. LIGHT RH]G–YW410 ALH111 ARH3220 IM14 IE2G–BG–BF5FRONT TURN SIGNALLIGHT LH2R7REAR TURN SIGNAL LIGHT LH[REAR COMB. LIGHT LH]G–B140A ALTF9FUSIBLE LINK BLOCK3 IE2G–Y11 IA1G–Y5 II1G–BG–BG–BW5RHW–RW–RLH1W–R2 5EG–W11 5CG–W10 5CW–B119 IE16 2B7R–Y11 1A21 2EGND6R–B1 5E5GR5 5C40AAM1W2000 LEXUS RX 300 (EWD395U)G–YG–B6 1C6 5E10A HORNR–L7 1CAM215A HAZARDST1IFDash panelcenterM
7 RX 300L–B120A D RR DOORF9FUSIBLE LINKBLOCK6 1BW20A P FR DOOR2000 LEXUS RX 300 (EWD395U)2 1JF1FRONT FOG LIGHT LHR–B20A FL DOOR1220A P RR DOORH2HEADLIGHT LH(Low Beam)WEDW–BW–BW–B10A TAILR15A FR FOGR–BWBATTERYRight radiatorside supportARJ2JUNCTIONCONNECTOR12EAA12W–BEngine compartmentrightJ1JUNCTIONCONNECTOR431 2B 1 2G6 2FH4HEADLIGHT RH(Low Beam)EAA124 2G3 2FR–LEDASHORT PIN1 2I3 2A3134L–B1 PL–YL–WW–BEnginecompartmentrightA14 IE1R–BRight radiatorside supportJ2JUNCTIONCONNECTOR7. 5A ECU–B7 1BW–R4 2AR2L–B2 2A32RR21R–B13 EC1R4 EC143R2TAILLIGHTRELAYFOGLIGHTRELAY53315A H–LP L LWR51124 1JR–B140AALT40A AM13126 1C3M ultiplex C ommunication S ystem15A H–LP R LWR3L–B3 1HG–WST2IG2ST1BR–WIG1 4PB–YL–Y2ACC 3I15IGNITION SWAM22 AM1L–BL–WRRR–B5L–W8 1DL–Y7 1JW–L1 1A12 1D1P ow er S ourceQPONMLKJIHGFEDCBA(Cont. next page)M OVERALL ELECTRICAL WIRING DIAGRAMJ1JUNCTIONCONNECTORDRL NO. 2RELAYHEAD LAMP RELAY50A MAIN10A DOMEWF2FRONT FOG LIGHT RH
7 RX 300 (Cont’ d)(Cont. next page)M ultiplex C ommun ication S y RG–WACCW–R18 DRFFGO BSUB TRLY6 D4 DDRLHRLY7 D 14 A 12 ACDEFBODY ECUILE5 C10 CRI14IGNITION KEYCYLINDER LIGHT2 5BR–WRRF14FRONT INTERIORLIGHTONOFFDOORP6PERSONAL LIGHTR–WBack panel center2W–B3 ID18 2W–B12W–BDOOROFFONW–BW–BR–Y1R17REAR INTERIORLIGHT1V7VANITY LIGHT LH31V8VANITY LIGHT RH21 BC2RRW–RR–BW–B5 5FRW–RD6DIODE(Rear InteriorLight)2RW–B2B9BACK DOOR COURTESY SWW–RW–B3R–B21R4A BJ3 B , J4 A2C A1DRLNO. 4RELAY1RJUNCTION CONNECTOR212R–WRRR–BC A33H3HEADLIGHT RH(High Beam)R–YW–B2R–W31D2DAYTIME RUNNINGLIGHT RESISTOR(USA)212 ID16 5F1R–Y1R3D2SHORT CONNECTOR(Canada)DRLNO. 3RELAYG–WR–WR34R–B32R–WR–L39 5BL–B2218 5BR5 BC2R5GRLG36 5CBR–W338 5EW–R22R–BH1HEADLIGHT LH(High Beam)28 EC1HRR7. 5ADRL15A H–LP L UPR11GRR–Y13 YR–BL–B2 1CBR–WR–Y6 1JQBB5 A , B6 B , B7 C , B8 DL–B3PAL–B15A H–LP R UPR2000 LEXUS RX 300 (EWD395U)NOL–BL–W7. 5A RADIO NO. 2M8L–WGRL76PK5L–BJ5JUNCTIONCONNECTORIECowl sidepanel LHM
HGFEDCBARR–B7 BFFOGW–RL–BB–YL–YL–WL–B20 CHFRG–Y2000 LEXUS RX 300 (EWD395U)LIGHTCONTROLSWDIMMER SWFOGLIGHTSWC17COMBINATION SW10LG17J5JUNCTIONCONNECTORLG–RCowl side panel LHW–BW–BEAW–BW–BIFRSSI17 BDash panel center3VCC4CODEBL1ESQ517 IA216 IA218 IA2W–BEngine compartmentrightRCO15 BW–BIEE3ENGINE HOOD RDA16 BBZR13 C2Left rearquarter panelW6WIRELESS DOORLOCK ECU12BZR2W–RL–BB–YL–Y2 CR–BRL–BL–WLG–RGRA16B21From Engine ControlModule 2–9 ON21R–LOFFFLASHLG–R15 IE1T1THEFT DETERRENTHORNLOWR–LD1DATA LINKCONNECTOR 11 EC1KSW8 CLHIGHPHU ELR–BY–RTC1LG–B1113 5C1 II1HCTY6 CR–LA29AUTOMATIC LIGHTCONTROL SENSORSH5 ALAUTOAR–YCLTEHAZ11 DLTAILG–RL–YT7R–WLG124 5ERCLTBP–B2 5FW–LCLTS3OBD24 CLG–B1TC16 CLG–B49 DL4 5ACLTB12 DL3 5ACLTS21 DL–YGRHEAD14R–WHU5 BLGBUZZERH13A4 BB5 A , B6 B , B7 C , B8 DBODY ECUCLTE11LGBFG LFG HF HL8TAIL16 A10M ultiplex C ommun ication S y stemIHGFEDCBA(Cont. next page)W5WIRELESSDOOR LOCKBUZZEROFF15 A119HEAD7 RX 300 (Cont’ d)M OVERALL ELECTRICAL WIRING DIAGRAMU1UNLOCK WARNING SWTo Hazard SW 6–3 To Data Link Connector 3 2–4
7 RX 300 (Cont’ d)(Cont. next page)M ultiplex C ommun ication S y ��YB–YL–BL–BW–RW–RABCDEFB5 A , B6 B , B7 C , B8 DLSWABDSL17 ABDSU19 BDBKL18 BPKB7 CBLVLHORN17 C19 C10 B9 C17 DMPX2STPI18 CR–BR5 3E4M3L–Y12ON2Y–RW–BWASH2W–B2W–B1C16REAR WIPERAND WASHER SW[COMB. SW]W–B10 3ES17SEAT BELTWARNINGOCCUPANTDETECTIONSENSORB15BUCKLESW RHW–B4 IE1J7JUNCTIONCONNECTORB16 BF1W–R171W–BA9 BF1G–WAWASH1INT22Y–R4BLG–RY–RBack panelcenterABNAJ9JUNCTIONCONNECTORW–BUnder the leftcenter pillarBJIGCowl sidepanel RHW–BJ14JUNCTIONCONNECTORJ9 3HIHAW–BW–BAIG–W10EW C1R 1R WRJ18JUNCTION CONNECTORW–BSEAT BELTBUZZEROPEN DOOR13H2 IK2L–Y1G–WR–LY–B523 II1OFF2014 1D2GF10FRONT PASSENGER’ S SEATBELT WARNING LIGHTMPX–12W2WASHER MOTORMPX R–LL–W1 3A9 1B16 BE1I13C14COMBINATIONMETER ECULG–RW–BAL–WRAR–W21W–BB114BACK DOOR UNLOCKDETECTION SW ANDBACK DOOR LOCKMOTORJ17JUNCTIONCONNECTOR1W–BLOCKM414HIGH BEAM3RWW13 CL–Y9W–B2B10BACK DOOR KEY LOCKAND UNLOCK SWUNLOCK1B14BUCKLE SW LHLG–RL–WGRL–RL–B3R–BG–W123 3DFrom Stop Light SW 5–2 7 BC2From RR DEF Relay orMIRROR HEATER Relay 20–2 8 BC2From Heater Relay 23–2 LG–R6 BC21From HORN Relay 6–4 L–W6 BC3B1BRAKE FLUID LEVELWARNING SWGR2 BC3P5PARKING BRAKE SWL–RG–WL–B9 BE121RWLS12 CL–Y10 IB121 CGR–L9 IB1RWC1PWR8 DSee ElectronicallyControlledTransmission and A/TIndicator System 19–6 3 IB16 IA215 L–WGRL–RL–B2000 LEXUS RX 300 (EWD395U)9 3F14 IA25 IA2SNOW20 DB–OHRDR–6 AI16INSTRUMENT CONTROL PANELGRDR 1 ABODY ECUHRDFGInstrument panelbrace RHIFJ15JUNCTIONCONNECTORDash panel centerBMUnder the rear RH seatM
4 A7 ARWSW3 ALL–OL–WLL–OL–WL–OL–W2000 LEXUS RX 300 (EWD395U)W–BW–BW–BW–BIHInstrument panelbrace RHY–RBack panelcenterAIEAW–BBNY–RW–B12 IC1W–B5 IC1GND25Cowl sidepanel LHJ5JUNCTIONCONNECTORL–YA13 3FMPX1G–BY–RW–B3T4THEFT DETERRENT INDICATORLIGHTW–BR23REAR WIPERMOTORLG106 1E13 1KL–WD17DRIVER DOOR ECU15A RR WIP10 3FYM3MOON ROOFCONTROL ECUL–YR–W11 3FMPX1112MPX1BECU2 A3 1B9 EC1R–LR–L10 1K6 3F10 3A1 3I1 1DSIG54 �RMPX2187 ID1WIG8 A15A HEATERIMLDW–R223 IJ1W–RIG5 D7 1C20A WASHER1 BC33LGMPX111 AB–Y7. 5A GAUGE4 BC2IND16 D19R–L3 BC312 IA12 DLG7 IA19 ABODY ECUGND1GND2B5 A , B6 B , B7 C , B8 D18L–WJ14JUNCTIONCONNECTORRWLM17R–B2 �BM ultiplex C ommun ication S y stem2 1H20R–LJIHGFEDCBA7 RX 300 (Cont’ d)7 1D2 HGFEDCBA(Cont. next page)M OVERALL ELECTRICAL WIRING DIAGRAMLOCKR–LUNLOCKWINDOWLOCK SWDOWNUPAUTOAUTOUPREAR RHDOWNAUTOUPREAR LHDOWNAUTOUPFRONT RHDOWNR–L
7 RX 300 (Cont’ d)(Cont. next page)M ultiplex C ommun ication S y ��BWG–BEFGHIJMPX14 IA121341 BA12 BA1WP18POWER SEAT ECU(Driver’ s Seat)10 IC1DW9 IC1109 IA2G–B3 BA19 IC2C15 BE1MY–B2BG–BD13DOOR LOCK MOTOR ANDDOOR UNLOCK DETECTION SWREAR LH7 5BL–RR–L1L–Y5V3M11 IA2G–B46 IC1VPULSESENSORR–LL–BHLIMIT SWGR–L3 5D9 5DY–B1 IA1FJ3 B , J4 AL–RL–YR–L10 BA111 BA15 BA19 ABDR11 ASIGD17DRIVER DOOR ECUA 13A–219162417CYL23214CTY8 ADN1 BUP3 BA–PLSLMT SGND7 B 2 B 6 B15 ALSW LSWE4 ACPUBPWE PCTO21 A 10 AMPX2MDN23 AY6MANUALUPAUTO22 AY–R3MUP24 AY–G2L–OBR–WBYLRGG–WR–B1D11DOOR COURTESY SWREAR LH213 BA1CTYE18 AR–W2GND25 AW–BG–WR–B1D7DOOR COURTESY LIGHTFRONT NR–BW–BD15DOOR LOCK MOTOR, DOOR UNLOCK DETECTIONSW AND DOOR KEY LOCK AND UNLOCK SWFRONT LHCTYBD9DOOR COURTESY SWFRONT LH31 A 17 A 19 AA R11 A , R12 BREAR DOOR LH L–R2KL13 APCTIW14 AG–BMPX1GR–R5 G–BLGIL–B2000 LEXUS RX 300 (EWD395U)D BJUNCTION CONNECTORG–BE AP9POWER WINDOW MOTORFRONT LH8 5DABJPOWER WINDOW MOTOR REAR LHUnder the leftcenter pillarP7POWER WINDOW CONTROLSW REAR LHM
L–RWR–BD12DOOR COURTESY SWREAR RHR–YR–LL–RW2000 LEXUS RX 300 (EWD395U)GW–BW–BYLPOWER WINDOW MOTORREAR RHLG–BPULSESENSORGLIMIT SWW–BM6A–KLKUL11926LOCKLSW316D16DOOR LOCK MOTOR, DOOR UNLOCKDETECTION SW AND DOOR KEY LOCKAND UNLOCK SW FRONT RH52L–YCowl side panel RHP10POWER WINDOW MOTOR FRONT RH5A 13UNLOCKW–BIGA3LG4BDR14GRP8POWER WINDOW CONTROLSW REAR RHRM1SGND12L–RAUTODOWN2PLS20CPUBCTYBF15FRONT PASSENGER DOOR ECU1821UNLOCKW–BBKUnder the right center pillarR12 IL18LMTCYL4PAUTOUP5W–BMANUALDOWNDN15SIG5P–L13 3Y–G225GNDMPX1MPX2AUTO22 A104 AMDN23 ACPUB15 AR–WMUP24 ALSWEYPWE PCTO21 A 10 ALSWPOWER WINDOWCONTROL SWDOWNMPLSLMT SGND7 B 2 B 6 BBUP3 BA–1 A 17 A 19 A1 IL19 IL1LOCKDN1 BREAR DOOR RH ECUA 2DOOR LOCKCONTROL SW2823CTYEAUTOGND SEL125 A 20 AR13 A , R14 BL–W13 AL–RBDRL–B14 AGRCTYEGR–R18 AG–BCTYY–R8 A4 IL1R–LSIG10 IL17 IL1Y–R9 AL–W5 IL1G–BL–R10 BB1Y–RY2 BB11L–BPCTI13 IM13 1D10 1G9 1DD8DOOR COURTESY LIGHTFRONT RHL–BG–W11 A11 IM1Y–RW–LMPX11L–RL–B5 A2Y3 BB13R–L1 BB14M6 1HL–BW–RW–L5 BB121 IM1G–B27L–B11 BB110 IM1L–W2 IM1G–B10 BD11D14DOOR LOCK MOTOR ANDDOOR UNLOCK DETECTION SWREAR RH26G–BJL–BL–WM ultiplex C ommun ication S y stemW–LHGFEDCBA7 RX 300 (Cont’ d)M OVERALL ELECTRICAL WIRING DIAGRAMR–BD10DOOR COURTESY SWFRONT RHR–BUPGR–RLG–RJ9JUNCTIONCONNECTORBR–W
MEMO2000 LEXUS RX 300 (EWD395U)
W–L140AALTW2000 LEXUS RX 300 (EWD395U)35F9FUSIBLE LINKBLOCKGRWGR40A AM1WA15A CIGW–BW–BW–BF11FRONT POWER OUTLETW–B15APWR OUTLETBATTERYCowl sidepanel RHJ9JUNCTIONCONNECTORIHW–BIGA9 3H3 3GInstrument panelbrace RH6EBMAW–BBIJ12JUNCTIONCONNECTORR18REAR POWER OUTLETAA121W–BJ15JUNCTIONCONNECTORUnder the rearRH seatANT7 IK24BUpper the rear axlehousing 4JUNCTIONCONNECTORB1B B2P2B BJ3 B , J4 AACC5GR212 IM1B–R16 IM1DD15AECU–IG4 2C1 2I20ARADNO. 1SHORTPINA32AUTO ANTENNAMOTOR AND RELAY B38 IM14L–YB A7. 5ARADIO NO. 2W–B5 3K8 3AGR14 1D4 1K9 1E7 1CB–YB–R7 1H21 1HP3A uto A ntennaB–R1 1A312 1CPL–Y1ACCRELAY5B–YPC igarette LighterP2ST2IG2ST1IG1 4I15IGNITION SWAM22 AM1ACC 3W2P ow er O utletGR6 1CW–L1P ow er S ourceW18 RX 300M OVERALL ELECTRICAL WIRING DIAGRAMFrom Radio andPlayer 12–7
9 RX 300P ow er S ourc eG arage D oorO penerFront W iper and W asher1324ACC2 AM1IG1 4B–YST1L–WW–LRIG29 EC1ST225AWIPER6 1CI15IGNITION SW2C20AWASHERJ4JUNCTIONCONNECTORL–W3 2AR7 1CAM2C40AAM12 1B5 1EW2M WASHERMOTOR13 1BL–W1 1A8 5BL–OLLSHORTPINL–W9 5B22 II1L–BRL–R1 2I314WL–O2W8 27 116 S17 B2 ID111B1IN1IN2WFEWR15MF9FUSIBLE LINKBLOCKV7GARAGE DOOR OPENER[VANITY LIGHT LH]OFF140A ALT2000 LEXUS RX 300 (EWD395U)1R10A DOME2INTLOWHIGH3WASHERW52W–BW–BF8FRONT WIPER MOTORINT TIME1WIPER RELAYBATTERY8 1BC16FRONT WIPER AND WASHER[COMB. SW]2W–B8 ID114 1DBW–BJ9JUNCTIONCONNECTORCowl side panel RHDash panel ONCONNECTORCowl sidepanel LHIEM
W–LW2000 LEXUS RX 300 (EWD395U)BATTERYSHIFT LOCKSOLENOID140A ALTInstrument panelbrace RHW–BWSHIFT LOCKCONTROL SWW–BMR24REMOTE CONTROL MIRROR LHMM5R25REMOTE CONTROL MIRROR RHM6LG–B4DOWN/RIGHTW–BIFBR–Y5BR–W6LG48 IL27 IL2LG–R6 IL29 3H11 3E10IHW–BDash panel centerBR–YLGBLG8 IC2LG–R7 IC22 IJ166 IE1LGRH1 IJ17LG–B6 IC27 IE1BR–W5 IE11LHInstrument panelbrace RHSELECTSWIHW–BJ7JUNCTIONCONNECTORFrom StopLight SW 5–2 BR–WLG–RLG1BG–WP216IE1RHLG9 3HL–WW–BG–W8R5REMOTE CONTROL MIRROR SWLG–B11 IE12STPBR–Y4KLS 599 3E8 3A4W–B9 3D3ELEFTLH4 1K15ACIGLGPS6SHIFT LOCKECU1 3DRIGHTP1ACC1P2 1CUPP2SLS–SLS 15AECU–IGPUP/LEFTDOWN3F9FUSIBLELINK BLOCKB–RIG59 1K7 1C3R emote C ontrol M irrorOPERATION SW5ST2IG2P1 1A140AAM1IG1 4ST1PB–YACC 3I15IGNITION SWAM22 AM12S hift L ockP26 1CW–L1P ow er S ource10 RX 300M OVERALL ELECTRICAL WIRING DIAGRAML–WK3KEY INTERLOCKSOLENOID
11 RX 300P ow er S ourceC ellular M obile T elephone1324WB–Y1 2IACC2 AM1IG1 47 1CB–Y15ATELST1B–RAM2IG2D A5 2AJ3 B , J4 AI15IGNITION SWE BO9 1EJUNCTIONCONNECTOR9 IK2G–RW–LST2OFrom A/C ECU[Comb. Meter ECU] 23–7 15AECU–IGB–RE B4 IB18 BD16 1COG–RB–RB–RT10 A , T11 B9 B3 ATELEPHONE TRANSCEIVER AND SPEAKER RELAY240AAM111 1AWW51140A ALT2000 LEXUS RX 300 (EWD395U)10 BF9FUSIBLE LINKBLOCK4 A 12 B5 B12 A6 BRBATTERYSee Radio andPlayer System 12–1 12–2 122R15REAR DOOR SPEAKER LHW–BY12 IA2WBW4 IA211 BW9 BA11 BRY4 BA14 BR–WB35 A3C20CELLULAR PHONE21PH PH– C15TELEPHONEMICROPHONE[COMB. SW]6AW–BJ12JUNCTIONCONNECTORAB–RUpper the rearaxle housing leftW–BABIM
W2000 LEXUS RX 300 (EWD395U)1LGWLT9TWEETER RHLGTELEPHONE TRANSCEIVERAND SPEAKER RELAYT10 A , T11 B140A ALTWLLG2VLLGW–BF12FRONT DOOR SPEAKER LH13 IC18 IC1VPF13FRONT DOOR SPEAKER RH5 1FP2V8 IL1T8TWEETER LH3 IL1P1 1FR 7 C7 IK16 IK119 IK1(*2)3 1JR–15 CB1 1JL 6 C18 IK1(*2)Y5 IK1BL16 IJ13L–14 CYR6 IJ141V21 IK1P9 IK1SGND5 CL4FL 10 ACDL 4 CR32L1CDR–11 CCDL–10 CSGD213 CEMUT2 C3 AACCTX 1 C14 IM1GRBMLG20 IK1L8 IK1FL–9 AVJ15JUNCTIONCONNECTORFR–7 APAFR 8 ACDR 12 CS14 A , S15 B , S16 C STEREO COMPONENT AMPLIFIERWF 4 BWFR–WFR WF–5 B3 B1 BTX–8 C4 A BMUTE3 )PW8 IM1(*2)BYLRGRL–YUnder the rearRH seatGND6 ARR–B(*1)BATTERYBRR Y(*1)340A AM1F9FUSIBLELINK BLOCKBY5YV6 BV2 BRTMUTW(*1)9 CR(*1)RL–G(*1)5 AB(*1)RL (*2)(*1)1 A17 IK115 IK116 IK113 IK1W(*1)4 IK1R(*1)W–L(*1)11 IK1G(*1)P10 IK1B(*1)LG3 IK1(*2)(*1)V–W2 IK1W–L(*1)9 BD13L(*1)2P6 BD14LG(*1)14* 1 : Except NAKAMICHI* 2 : ShieldedLG1 BD19 BB1W4 BB14 AMUTEW7WOOFER SPEAKER3R adio and P layerRQPONMLKJIHGFEDCBA(Cont. next page)L–Y1 1A12 BSPI–12 ASP–R16REAR DOOR SPEAKER RH12R15 BSPI 5 ASP 9 BA12W1W–L24 BA1B6 1CR15REAR DOOR SPEAKER LH12YI15IGNITION SWST2PBIG2ST1IG1ACC 3YAM22 AM11P ow er S ourc e12 RX 300M OVERALL ELECTRICAL WIRING DIAGRAMGR(*2)
12 RX 300 (Cont’ d)R adio and P lay er5ABCDEGL1 2IW(*1)R(*1)SHORTPING(*1)2 1CB(*1)(*1)(*2)7. 5ARADIONO. 2W–L(*1)6 3HPLGV–WL–YP–B9 3I13 3A3 1K1 1H4 2CP–L10A DOMEKWPPTo Auto AntennaMotor and Relay 8–4 IJ820A RAD NO. 1H76WGRF* 1 : Except NAKAMICHI* 2 : ShieldedGR–R3 2AL–YR2000 LEXUS RX 300 (EWD395U)GR–R1091065TX–TX1–TX1 EJCTGNDTX 87TX–118 BEJECTMUTE9 BTX–TX TX–10 B5 CTX 1 AANTACCR 2 A , R 3 B , R 4 C RADIO AND PLAYER1 C2 CR 1 BR–L L–5 B2 B6 B7 BGND2 A B4 A8 5EM2MULTIDISPLAY8 3FRW–LBR(*2)B6Y7LTX1–RTX–TX1 P–BGR–R4TX C8 5BSGNDYB–WBR56 CRTX R–WACCGR12GR–R BBC6CD AUTOMATIC CHANGER5PR LGW(*1)1R–V–WR(*1)6L I16INSTRUMENTCONTROL 4MUTE SGNDCJ4JUNCTIONCONNECTOR7 3IGR–RW–L14 IJ19 3FRP–BMNOPQRLYB(*2)BRRGRBRBRIHInstrument panelbrace RHM
W–G40A AM12000 LEXUS RX 300 (EWD395U)23123LGP–LGR–LLG–BY–GY–RY–B7. 5A SRS–BW140A ALTW12S11SIDE AIRBAG SENSORRH4GRS10SIDE AIRBAG SENSORLH42P14PRETENSIONERRH12E116 BSIL18 BW–BJ7JUNCTION CONNECTORW–BY20A AM2BATTERYIFBB4 1E9 1LE217 BIGAA14 1D10 1LCowlsidepanelRHJ9JUNCTION CONNECTORW–BW–BDash panelcenterP13PRETENSIONERLH1L–WPS13SIDE AIRBAGSQUIB RH2L–YS12SIDE AIRBAGSQUIB LH1Y–R2Y–G1PL–1 APL 2 APR–6 CPR 5 CY–BFSR ESR VUPR SSR 9 C 7 C 12 C 10 C SR6 BYFSLESL VUPL SSL 10 A 12 A 7 A 9 A–SR5 B1 II22Y–BA26AIRBAG SQUIB(Front Passenger’ sAirbag Assembly)2SFR 2 CY–RSFL–6 AS7 A , S8 BYA27AIRBAG SQUIB(SteeringWheel Pad)1SFR–1 CY–GSFL 5 A SL11 B2 II21W–BSPIRALCABLEP–8 B15A SRS–ACC17. 5A IGNP 7 BP–BF9FUSIBLE LINKBLOCKB–OD–9 BW–GC 7 A , C 8 B , C 9 C CENTER AIRBAG SENSOR ASSEMBLYC14SRS WARNING LIGHT[COMB. METER ECU]W–B31D 10 BGR–SL12 B1 A1 B2SHORT CONNECTOR5W–LP–BLAB–Y2 B2 A2 BBRTCB–Y191W–R15 B5 1K8BR–W1 2I2 1L4 1GB–WACC8 1L11 1EP–B4 B7 5FB–Y2 1EB–YBWIG24 5C13 5CAB5A14AIRBAG SENSORFRONT RHB3 BP–BTC11A13AIRBAG SENSORFRONT LH4To Data LinkConnector 3 2–4 6 2C1 1L2 1CAB12D1DATA LINKCONNECTOR 13WW12 1G6 1L1 1C4TCD3DATA LINKCONNECTOR 2B–Y1I15IGNITION SWBPSRSW1 1AW–L2W–R3 1CST2IG2 6ST1IG1ACC 3P6 1C7 AM22 AM1W–G2Y–R6 1K1P ow er S ource13 RX 300M OVERALL ELECTRICAL WIRING DIAGRAM
14 RX L–BLW–BP25POWER SEAT MOTOR(Front Passenger’ s SeatReclining Control)AP22POWER SEAT MOTOR(Driver’ s Seat RearVertical Control)L–BP26POWER SEAT MOTOR(Front Passenger’ s SeatSlide Control)P21POWER SEAT MOTOR(Driver’ s Seat LumbarSupport WER SEAT MOTOR(Driver’ s SeatReclining Control)P20POWER SEAT MOTOR(Driver’ s Seat FrontVertical Control)WP24POWER SEAT MOTOR(Driver’ s SeatSlide Control)140A ALTW–BY–RLW–BY–GY–RL–YLBMUnder the rearRH seatBJMM216 BE1MMMMUnder the leftcenter pillar22211BJ17JUNCTIONCONNECTORL–OWBATTERY16 E2AF9FUSIBLELINK LIDE3510695BL–O41P16POWER SEAT CONTROL SW(Front Passenger’ s Seat)1412000 LEXUS RX 300 (EWD395U)1 1A9 IM1L–OJ18JUNCTIONCONNECTORL–OB4321P17POWER SEAT CONTROL SW(Driver’ s Seat LumbarSupport Control)2P15POWER SEAT CONTROL SW(Driver’ s Seat)30APOWERB13 1D11 1GP ow er S eat (w /o D riv ing P osition M emory)P ow er S ourc eL–O8 IA13 BE13 BF1AJ15JUNCTIONCONNECTORM
3 2AR10A DOMESHORT PINL–O2000 LEXUS RX 300 (EWD395U)J16JUNCTIONCONNECTOR40A AM130A POWERWUpper the rearaxle housing leftS20SLIDE POSITIONCONTROL SENSORBRBR140A ALTWWBR123F18FRONT VERTICALPOSITION CONTROL SENSORV12AA3R26REAR VERTICALPOSITION CONTROL SENSORJ16JUNCTIONCONNECTOR12A32P24POWER SEAT MOTOR(Driver’ s Seat Slide Control)LM1FRV 10 BP20POWER SEAT MOTOR(Driver’ s Seat Front Vertical Control)L–RL–Y1M2FRV–9 BLFT 6 BSW22 AP22POWER SEAT MOTOR(Driver’ s Seat Rear Vertical Control)YY–G2M1LFT–5 BMMRY12 ARCL 2 BMPX110 A2GND7 B B8 BInstrument panelbrace RHP23POWER SEAT MOTOR(Driver’ s Seat Reclining Control)Y–BY–RM1RCL–1 BSee MultiplexCommunication System 7–24 W–BW–BVVR27RECLINING POSITIONCONTROL SENSORAA312SLD–3 BPVCC SLD 6 A 4 BSW11 A14 BE16 BE12 BE110 IA22 IA23 IA210 IE117 IE118 IE19 3H4 3JIHW–BBIBRBLGABRSSRR5 ASSRL4 ALG–RJ12JUNCTIONCONNECTORBRBRBIG8 AJ3 B , J4 AJUNCTIONCONNECTORP18 A , P19 B POWER SEAT ECU(Driver’ s Seat)SYSB9 A12 BE14 BE1SSFV3 AVG–BSSRS14 ABRV–WAFRONTLBATTERYLRCLR RCLFE BD A4L–OL–OL–OR–LR–LW–B7 BE1SLIDEBL–BBRL–YBL–RF9FUSIBLE LINKBLOCKL–WBRUPL–B3L–O22 A 21 AREARLDWNY–BBL–O18 ARECLININGLUPY–RBREARRSGND13 ADOWNB–R5BFRONTVERTICALP1W–LR17 AA B15A ECU–IGP–BFDWNDOWN7 AREARVERTICALB–RLG–B1 1AUPC A1SETFUPFRONT19 A334EDCBAF(Cont. next page)L–OSLDF SLDR2R15 A 16 A87. 5A GAUGEP172PP–B15B–R102 1HPLG–B269 1E7 1DS5SEAT MEMORY SWW–B29P15POWER SEAT CONTROL SW(Driver’ s Seat)7 1CR–LR–LNO. 1P–B6 1C1B–YB–Y3NO. 2LG–B13 1DST2IG2ST1IG1 4I15IGNITION SWAM22 AM1ACC2P ow er S eat (w / D riving P osition M emory)P–B1 2I1P ow er S ourceLG–B11 1G15 RX 300M OVERALL ELECTRICAL WIRING DIAGRAMY–RY–GL–YVBRV
15 RX 300 (Cont’ d)P ow er S eat (w / D riving P osition M emory )ABR–LL–OL–OR–LE8L–OD76R–LC5R–LE lec tric T ension R educ erL–O8 IA1E A9 IM1L–OL–O3 BE13 BF1J3 B , J4A10 IM1JUNCTIONCONNECTORD BR–LR–LL–OL–OL–OBG–OG10 ��BW–BY–RLW–B16 SW RH4J18JUNCTIONCONNECTORW–B2AW–BMB14BUCKLESW LH4Y–B21P25POWER SEAT MOTOR(Front Passenger’ s SeatReclining Control)MY–RL–B1P26POWER SEAT MOTOR(Front Passenger’ s SeatSlide Control)A10 BE1RECLININGLW–BP21POWER SEAT MOTOR(Driver’ s Seat LumbarSupport ��BW–BA2229A2P16POWER SEAT CONTROL SW(Front Passenger’ s Seat)1FRONTREARFRONT1L–OL–O2000 LEXUS RX 300 (EWD395U)3BP17POWER SEAT CONTROL SW(Driver’ s Seat LumbarSupport Control)4J18JUNCTIONCONNECTORT13TENSION REDUCERSOLENOID RHBJ17JUNCTIONCONNECTOR1T12TENSION REDUCERSOLENOID LH1BB16 BE116 BF1W–B16 BE1W–BW–BABJW–BUnder the leftcenter pillarBJUnder the leftcenter pillarJ15JUNCTIONCONNECTORABMUnder the rearRH seatM
16 RX 300R3 2A10A DOMEW–LSHORT PIN40A AM1WBBW2000 LEXUS RX 300 (EWD395U)RGL–YL–WF9FUSIBLE LINK BLOCKW–B140A ALT20A S/ROOF60A ABSWBATTERYW–BW–BABS AND TRACTION ACTUATORBR–WEnginecompartmentrightR–Y7 B2 BGR–R8 B1 B5 A3 A1 CRGND210 CR–LB–YL–O25 II1Dash panel centerJ7JUNCTIONCONNECTORIFBB9 5E1 5DW–BEAB–O4 BLA7 A , A8 BY–B3 B 10 BG–BEDL–Y1AV–W9 BB–YW–BRight radiatorside supportL–WW–BGR–L5 BR–LJ2JUNCTIONCONNECTORBR–Y6 B 11 BP–B4 A 12 BEFI EFI–6 B 14 BINDWTTRC TRC– NEO13 B 5 B 15 B3 B12 B2 IE21 IE2L–OR–YMWAA18 A , A19 B , A20 CABS AND TRACTION ECU12 ATRACATSMTSFLH SFLR SRRH SRRR SFRH SFRR SRLH SRLR SRC1 SRC2 SMC1 SMC2 AST2 C 1 C 8 C 7 C 13 A 26 A 25 A 12 A 5 C 4 C 12 C 6 C 10 A 14 ATC4 BLG–B13 ABR–W4 2FB–WW–B2 AY–GD/G23 A8 5C18 AABSW–B2 2GR–BR Y–R9 AW–L22 A9 5CB–YSRGR1 AY–R18 II110 II16 IE2B–Y11 AR–B24 II112 5C7 5C22WALG–B5216TS(Short Pin)LG–BMRL–Y2P–B13 5CY–R4 5C11TCTRAC OFFLG–R24 AW–B264TCC12 A , C14 CCOMBINATION METER ECUR–L3223ABSSOLRELAY14ABSWBD1DATA LINKCONNECTOR 1B–Y1 1A255223W–L1242D3DATA LINKCONNECTOR 2 17TRC4LG–B2ABSMOTORRELAY212GRLG–BW6 1C32GR7 EC1V3LG–R1L–O8 1H12BST2B–YBIG2ST1IG1 4ACC2VI15IGNITION SWAM22 AM1BBL–OA B S and T raction C ontrolVB–Y1 2I1P ow er S ourceDCBA(Cont. next page)M OVERALL ELECTRICAL WIRING DIAGRAMTo Engine ControlModule 19–4 From Engine ControlModule 19–4 GR
16 RX 300 (Cont’ d)A B S and T rac tion C ontrolABC5RM oon R oof76L–OL–OB–YB–R87 10 1D9 1E1 3AD9 5BR7 IM119 IM16 IM118 IM1YR–L2 ID12 IE1L–OY10 BRR RR–2 B1 BRL RL–7 BSP1B–R2BL–WL–YR–BGR–R9 BIG14 ID1R7 IE28 BJ4JUNCTIONCONNECTORB–RL–WL–
M OVERALL ELECTRICAL WIRING DIAGRAM 34 2 1 (Cont. next page) 2 RX 300 71C 1K 13A 7. 5A IGN B–R 2 7 ACC IG1AM1 4 IG2 ST2 6 AM2 W–G 140A ALT 40A AM1 2 1 3 1E10 6 1C 2C62B 7 1C 1 1A 1 2I 1 13 W 1C 3 1G 12 BATTERY 11G 1G 6 2G 2 2F42B 42B8 1 2 5 3 ED 1 Right radiator side support 1 L–Y 1
