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1 IS 300 ELECTRICAL WIRING DIAGRAML–RWB–LW–LB–RTo EngineControlModule 2–12 W–RB–WR–LB–WB–WR–LE4 B , E6 DL–RGBJ1 A , J2 N CONNECTORENGINE CONTROL MODULEN1NOISE FILTER(Ignition)B–WI4IGNITION COIL NO. 3I3IGNITION COIL NO. 2I2IGNITION COIL NO. 1B(M/T)B(A/T)12BRB–W(M/T)Front side of theintake manifoldEAB–RC14CLUTCH START SWP1PARK/NEUTRALPOSITION ��Y40A MAIN20A AM2120A ALT7. 5A ALT–SIN133S BBATTERYIGF4GNDIG BTo Engine Control Module 2–11 2–12 F AIN356B(A/T)B(M/T)See MultiplexCommunicationSystem 10–3 NCTION CONNECTORJ19JUNCTION CONNECTORB(M/T)W–RWB–L1L B15 IG1STARTERGENERATORG1 A , G2 BW–BTo Multi–Display 25–2 Cowl sidepanel RHIH3 EA1D B BC1I1IGNITERIN29102122226CC36 EA1RL15 DN9 1K2002 LEXUS IS 300 (EWD451U)W–LC1111B–WB–WMPX2P1 ABS1 A , S2 B11 ABB–R2 EA120 BCC28 EA1C1210AGAUGE40A AM18 1K1 1O5 1K7. 5ASTARTERB–WB–W193C121511212120 IA315 1D4 1DI12IGNITION SW21 1DB–RB–WC1111122 1D9 EA1IG2 6ST2 87 AM2L–RIG1 42 AM14321C hargingS tarting and IgnitionP ow er S ourc eW–LB–LACCM
25AEFI1B–Y2002 LEXUS IS 300 (EWD451U)Left quarter panel LHL–RFUEL PMPRELAYL–RB–LCowl sidepanel RHR–LCIRCUITOPENINGRELAYCenter side of theintake manifoldEBC9MALFUNCTIONINDICATOR LAMP[COMB. METER]W–BW–BIHB–RB–RB–R119 IA3BR1 EA1Cowl sidepanel RH5 2B1 2EIHW–BBLJ15JUNCTIONCONNECTORW–BA11 2B2TCB–R13R–W5B–Y2 2I1BR7 2IG–W3CG482GBSILB–RB–R7WFSE15TS14A/B6LGF15M FUEL PUMP2B–R4 2B3SG5TAC95 2E8 2M4EA3B–R4EA1To CombinationMeter 22–2 44 1I2B–R2 1GL–R27D5DATA LINKCONNECTOR 3 0AGAUGEV1W–R451B–O3EFIRELAY12B–O2 1E1 1DB2127. 5AIGN4 2A 8 2A13 2HL–RB–Y240A AM1120AALT133G–RG–W5 1HB–W4W–L113G–WG–WB–O15AETCS1W120 IA3I12IGNITION SWIG2 6 B–RST27 AM2W–RB–Y21 1O7. 5A OBDW1 2C122 1D5 nt. next page)From Skid ControlECU 16–9 17–6 From CenterAirbagSensor Assembly 18–3 21V6 2EL–RIG1 42 AM1WACC2E ngine C ontrol and E ngine Immobilis er S ystemB–R11P ow er S ourceB12 IS 300M OVERALL ELECTRICAL WIRING DIAGRAMWB–RG–YF12FUEL PUMP RESISTOR
2 IS 300 (Cont’ d)(Cont. next page)E ngine C o ntrol and E ngine Immo biliser S y stem5ABL–WB–RB–OB–YT2THROTTLE CONTROL Y(*1)9 ECL–R10 ECL WY132R–W12B–RB–RV3VSV(Canister Closed Valve)12I10INJECTOR NO. 62I9INJECTOR NO. 51B–RB–R1R–WL–RB–WY–RW–G17 C#20I8INJECTOR NO. 4121B–RVY–G15 E#10B–RB–RI7INJECTOR NO. 3L–W11 EPRG114 E#3016 C#4013 E#5015 C#6022 CCCVLB–O21 CACISB–RB–RB–Y7 A BM2RB–O13 AMRELB4 ABATT2I6INJECTOR NO. 2215 A 16 B 17 AFPR TACH IGSWG–R2002 LEXUS IS 300 (EWD451U)From Skid Control ECU 16–9 17–6 From Center AirbagSensor Assembly 18–3 I5INJECTOR NO. �RB–RB–RGAB–RC2CAMSHAFT TIMINGOIL CONTROL VALVED8B–RC* 1 : Shielded763 EM 2 EM–1 EGE016 E 5 EOCV OCV–E 3 A , E 4 B , E 5 C , E 6 D , E 7 E ENGINE CONTROL MODULESILWW–RIMLD B14 A 30 A B26 A5 AOX2A28 CHT2AOX1A30 CPHT B2E1431OXHT B2E14HT IH43B–RBRB–RBRB–RB–RA (S/D)D (W/G)1OXH9HEATED OXYGEN SENSOR(Bank 1 Sensor 1)2DLG B43H11HEATED OXYGEN SENSOR(Bank 2 Sensor 1)HTW(*1)1OXH10HEATED OXYGEN SENSOR(Bank 1 Sensor 2)3W(*1)BRH17HEATED OXYGEN SENSOR(Bank 2 Sensor 2)R–WW20IH1B10 IH1(*1)BR–Y(A/T)(*1)BCG–B9 IH1E1B9 EA2R–W21 IH15 EA27 IG1WD AB(*1)10 IG1BRJ7JUNCTIONCONNECTORB–R9 DG–BWR–WW8 IG1R–WB–RHT1A28 D(*1)F BR–WB–R(*1)F BBRJ1 A , J2 BJUNCTION CONNECTORA (S/D)D (W/G)ADHT1B7 BB–RQBR–Y(A/T)B–RG–Y28 B(*1)BR–Y(M/T)17 BC2J16JUNCTIONCONNECTORPB–R2B–RO12 IA1V8VSV (PressureSwitching Valve)BBOX1B8 BBR–Y1 IC1BHT2B17 BPJ3JUNCTION CONNECTORTo Security Indicator Light[Comb. Meter] 11–3 NOX2B10 B1B–RMTBPPB–RB–RL–BR–L2 IA1R–LL9 IA3LGKLGWWJFCG–Y4 2EFrom Body ECU 10–9 W2 BR–L1 2ALG1 2J11 2GI22 BWW6 2D26 AWFSEB–RB–RB–RB–REAFGFront side ofthe intakemanifoldM
AM1MASS AIR FLOW METER2002 LEXUS IS 300 r side of theintake manifoldBRBRBRBREBW–BJ3JUNCTIONCONNECTORLeft fender apronW–BW–BK3KNOCK SENSOR 2BRW–BFromMulti–Display 25–3 R–WEC1E012 CE021 CEASTPSTAACMG11 AKSW4 B 12 A 16 AFront side of theintake manifoldW–BFront side of theintake manifoldDDMOPS7 EW–BEAABJ4JUNCTIONCONNECTORDEOM1 AFrom Stop LightSW 6–4 26–4 Cowl sidepanel LHA10 EA12EC2 A2 IA3From Park/NeutralPosition SW(A/T)or Clutch Start SW(M/T) 1–2 IDW–BBR11W–BA217 IA1F/PS20 AE11ENGINE OIL PRESSURE SWBRW–BBRK2KNOCK SENSOR 1A21MOLOIL LEVEL5 1GTRANSPONDERKEY COILANT2C3CRANKSHAFTPOSITION SENSOR2 1AANT11SPD11 B 14 DW–BB–RJUNCTION CONNECTOR5GND1ME013 CToCombinationMeter 22–2 1 B2CODEE034 EW–RR–WR–W3L(*1)LC1CAMSHAFTPOSITION SENSOR(*1)E17 DFrom CenterAirbag SensorAssembly 18–2 From CenterAirbag SensorAssembly 18–3 P–B10 2BV3 2EP–BG–BRXCKL–Y4G229 EW–L(M/T)TXCTP2POWER STEERING OILPRESSURE SENSORT9TRANSPONDER KEYAMPLIFIERA (*1)A (*1)A (*1)32 EW–B1 1JV18 IA1G–B19 IA1A(*1)A (*1)31 EL7 IA1A2 DL9 2BA1 D* 1 : ShieldedW–BGL–BG–WFG–BB9 2HJ1 A , J2 BL–WEL–WBRR–WR4 1HBRDE8ENGINE COOLANTTEMP. 1)T3THROTTLE POSITION SENSOR31 AL–Y24 BP–L23 BL–Y3 BL–WENGINE CONTROL MODULEV7VAPOR PRESSURE SENSORNE–L–BNEFrom FAN NO. 1, NO. 2Relay and Diode(A/C) 23–4 KNK2GR–BKNK1B–RE 3 A , E 4 B , E 65 C , E 6 D , E 7 EB–YCODEB–L8 E 13 C 27 E 26 E 7 C 18 B 29 B 19 B 30 B 9 B 21 B 20 BIGTIGT2 IGT3IGF TRC TRC– ENG ENG– NEO MPX1 MPX2FANR–YRXCKFrom Igniter 1–3 25 BPTNKW–G35 BVCL–B32 BVPA2L–Y3 EA34 IC1P33 BVPA3EA25 IC1GTXCTBR6 EA3P–LL–W2 EA31VPA2From Skid ControlECU 16–8 17–5 L–YL–Y2VPA1L–W25 E 24 EVTA VTA24VC2PTNKE21To Skid ControlECU 16–8 17–5 23 CPSP3VTA23VCC3IC112See MultiplexCommunicationSystem 10–3 34 B 24 CE2THWL–Y2VTA1A9ACCEL POSITION SENSORB–YCBR1VCBR2VC33E2BR–YL–YC B12VOUT4E2BR10EA3L–WTCBRA A1GNDBRBR11B–YBBRA ABRBR2BR10To Unlock WarningSW 10–16 32 C 27 C 26 CTHAVGEVG359E ngine C o ntrol and E ngine Immo biliser S y stemBR41B–R2 IS 300 (Cont’ d)M OVERALL ELECTRICAL WIRING DIAGRAMFrom A/C COMP Relay 24–2 GRE10ENGINE OILLEVEL SENSORW–BOIL TEMP.B–WWJ5JUNCTIONCONNECTOR
3 IS 300P ow er S o urc eH eadlight1* 1 : Front Fog Light SW324BACC2 AM1IG1 �RPKBY16HTELLIGHTCONTROLSWOFF1 1ATAILFrom CombinationMeter 22–5 7HF HU5W–BTo Parking BrakeSW 22–4 8CHG–Y–RR–L174HEAD5 1GDIMMERSWLOWHIGHW–BFLASHOFF*1ONC11COMBINATION SW11L–WW–BD4DAYTIME RUNNINGLIGHT RESISTORW–BCowl sidepanel RH BHIR–WR–B10BRIHW–RBFG LFG HL2W–B7IG8A7 2FR–YINDBRJ7JUNCTIONCONNECTORW–B1DRLD6DAYTIME RUNNINGLIGHT RELAY(Main)3AR–YE61W–BW–B9H5 2B1R–Y2R–W2L–YR–LR–B5 AD21DIODE(Fog Light)12R–L3 2F 2 2FR–LRR–W1 A45H8HEADLIGHT RH(High)R–WR–L4 B3 2IC9HIGH BEAM INDICATORLIGHT[COMB. METER]R–WR–W1R2 BW–BEC22 AW–BLeft fender apron1 2M3AW–BH6HEADLIGHT CONTROL ECU RH1W–BH5HEADLIGHT CONTROL ECU LHB–LBATTERY23 BH7HEADLIGHT LH(High)R–BR–L11R–L1 B4 2M2R–L1R–YR1R–Y40A MAIN120A ALT20A ECU–B122D2 A2D3 B2122112110A H–LP L UPR1110A H–LP R UPR12DAYTIME RUNNING LIGHT RELAY NO. 322DAYTIME RUNNING LIGHT RELAY NO. 44117. 5A DRL NO. 13HEAD LP RELAY30A DRL NO. 2WB12211115A H–LP R LWRRR11 1O1R33 2M 9 2FA1R–L31215A H–LP L LWR1R–L40A AM12002 LEXUS IS 300 (EWD451U)311 2FJ6JUNCTIONCONNECTORB–R2To RearFog LightSW 7–4 2 1D4 1AADIMMER RELAY2R–LR–LWR–L3R4From Headlight BeamLevel Control ECU 8–2 R–LR–LTo TheftDeterrentECU 11–4 R–B3R–LD8DIODE(Headlight Cleaner)6 2M7. 5A ECU–B2I12IGNITION SW1 1D210A ECU–IGTo HeadlightCleanerControl Relay 7–2 R–LFrom Headlight CleanerSW 7–2 From FR FOGRelay 7–3 13See Automatic LightControl System 11–2 AJ5JUNCTIONCONNECTORCowl sidepanel LHIDAW–BLeftfenderapronECM
W1120AALT2002 LEXUS IS 300 (EWD451U)B–L122 2A11 2HF10FRONT TURNSIGNAL LIGHT RHG–YCowl sidepanel RHAW–BR7REAR TURN SIGNAL LIGHT RH[REAR COMB. LIGHT RH]G–YG–BF8FRONT SIDE TURNSIGNAL LIGHT RHG–YG–BF7FRONT SIDE TURNSIGNAL LIGHT LHG–BW–BIDAW–BF9FRONT TURNSIGNAL LIGHT LHW–BW–BW–BW–BECBRCowl sidepanel RHAA7 2FJ7JUNCTIONCONNECTORW–BLeftfenderapronW–BCowl sidepanel LHA5 1GBRLeft quarterpanel LHG–BJ5JUNCTIONCONNECTORW–BBLRHC9TURN SIGNALINDICATORLIGHT[COMB. METER]LH32 1AW–BJ15JUNCTIONCONNECTOR1824 1EG–YA566 1E5 2B1 2IIHW–BIH568 1IGND1 BHAZD18 A4W–BEC126 2A10 1IEEREL7652TBW–BLeftfenderapron8 1HLR28HAZ8 1A3TR7 1A1TLA12 A , A13 B127 1K3LLB43 1LRHLHC11TURN SIGNAL SW[COMB. SW]HAZARD SW[A/C CONTROL ASSEMBLY]122 1KFLSH RELAYG–YBATTERY11WW–B215ATURN–HAZ21 1OIGG–W10 1AG–W1W1W1 1K3P–G140AAM11 1DL–R10AGAUGEIG1 4ACC2G–Y2I12IGNITION SW2 AM1WT urn S ignal and H az ard W arnin g LightTo Body ECU 10–9 2 1D1P ow er S ourceG–W14 IS 300M OVERALL ELECTRICAL WIRING DIAGRAMBRR5REAR TURN SIGNAL LIGHT LH[REAR COMB. LIGHT LH]W–BW–B
5 IS 300GG7. 5APANELAGGGGGGG(A/T)G3GLOVE BOX LIGHTA12A/C CONTROL ASSEMBLYBRW–GW–GW–GW–GC8CIGARETTE LIGHTER ILLUMINATIONA27ASHTRAY ILLUMINATIONW–GS4SEAT HEATER SW(Front Passenger’ s Seat)S3SEAT HEATER SW(Driver’ s Seat)W–G(A/T)T8A/T SHIFT POSITION ILLUMINATION[TRANSMISSION CONTROL SW(L–2)]M4MULTI–DISPLAYR2RADIO AND PLAYERW–GH16HEADLIGHT CLEANER SWW–GW–GW–GC9COMBINATION METER ILLUMINATION[COMB. METER]W–GW–GR15REMOTE 2ELECTRONICALLY CONTROLLEDTRANSMISSION PATTERN SELECT SWGGGGT7 AT14 BTRAC OFF SWGTRAC OFF SW AND SNOW SWGR14REAR FOG LIGHT SWBRSee Taillight andStop Light System 6–1 26–1 BRBR7 2FB–L5 2BBATTERYW–BIHCowl sidepanel AAAAAAAA628ILL–ER4RHEOSTATW1T2 1F1 1OG1TAIL RELAY32002 LEXUS IS 300 (EWD451U)22 A (A/T)1 B (M/T)2233 A (A/T)6 B (M/T)5GGGG4321J8JUNCTIONCONNECTOR5 1F5 1EIlluminationP ow er S ourceGGA1M
M OVERALL ELECTRICAL WIRING DIAGRAM12Left quarterpanel LHW–B2W–B1ABLW–B(*2)N3NOISE FILTER(Stop CTIONA CONNECTORA543 1IJ13JUNCTIONCONNECTORG–Y(*1)7 1G3 1F7 1FG–RTo Shift LockControl ECU 21–4 W–B(*1)H19HIGH MOUNTEDSTOP LIGHTBACK–UP LIGHT SWG–WW–BA1B9 BR–B11 1IH19HIGH MOUNTEDSTOP LIGHTTo Engine ControlModule 2–12 W–B2To SkidControl ECU 16–8 17–5 R–L6 1GB BR–BBACK–UP LIGHT SW[PARK/NEUTRALPOSITION SW]G–WR–BR5BACK–UP LIGHT LH[REAR COMB. LIGHT LH]P1 A* 1 : LED Type* 2 : Bulb Type8 1FJUNCTIONCONNECTORJ1 A , J2 BR–BR7BACK–UP LIGHT RH[REAR COMB. LIGHT RH]R–BB A2 A (A/T)1 B (M/T)3 A (A/T)2 B (M/T)F AR–L4D BJ1 A , J2 BJUNCTIONCONNECTORB ac k– U p LightTo Navigation ECU 25–2 1ASIDEMARKERBLLeft quarter panel LHW–B11W–BW–B21F6FRONT SIDE MARKERLIGHT RHW–BW–B5 2BW–B3 2B1L1LICENSE PLATELIGHT LHG–BW–B1 BF112L2LICENSE PLATELIGHT RHG–BW–B1 BE1G–B2GND2 BE1BB10ATAILW–BG6 2BJ14JUNCTIONCONNECTOR2 BF1BG–BBG–BB9 1IG–B32W–BW–BIHCowl sidepanel RH2W–B1G1 2B6 2H1BATTERY12W12W–BTo Theft DeterrentECU 11–4 120A ALT12 1FR–W2002 LEXUS IS 300 (EWD451U)B–LW–BECF5FRONT SIDE MARKERLIGHT LHG1 1O21W–B212 1KG5TAILRELAYGLeft fenderapronL–R13 1HF4FRONT PARKING LIGHT RHGF3FRONT PARKING LIGHT LH3J15JUNCTIONCONNECTORTAIL40A AM11W–B3R6REARCOMBINATIONLIGHT LHG–BG–WGSTOPG–WT 3122 1DWAA42AW–BAA9T–GGGIG1 4W 2 AM1ACCR8REARCOMBINATIONLIGHT RHSTOPG–W21I12IGNITION SWA51AW–B4G–R6 1K10A GAUGEGTAILL3LIGHT FAILURE SENSORL–RTAILJ14JUNCTION CONNECTORA2 1ER–L1 1D 9 1K 6 1IR–LR5REARCOMBINATIONLIGHT LH3S8STOP LIGHT SWSTOPG–WG–BP ow er S ource52G–BG–WG–WG–WC 9 A , C10 B15A STOP6 IS 300W–BLHG4ILV–G5 IB16 BV–GREAR LIGHTSWARNING LIGHT[COMB. METER]G–R2Taillight and S top Light(S /D )1R–L17 AG–W3G–BW–B8IGRHR–LR7REAR COMBINATIONLIGHT RH3BBBBTAILGW–BG–WBST–G–W27ST G–R12 1I3 1KSTOPG–W
7 IS 300R–YW–RFrom Diode (Fog Light) 3–4 WR–WR–YH16HEADLIGHTCLEANER SWL–RH4HEADLIGHTCLEANER MOTOR15AWASHER7. 5A ECU–B2W–GRW–BG–OLL–R15AFR FOGW–RWWBHEAD LPRELAYG–O(S/D)W–BG–OW–BR8REAR FOG LIGHT RH[REAR COMB. LIGHT RH]W–B(S/D)F2FRONT FOG LIGHT RHW–BW–B(S/D)R6REAR FOG LIGHT LH[REAR COMB. LIGHT RL–YW–BR–L120A ALT20A ECU–B130A H–LP CLN40A MAINF1FRONT FOG LIGHT LHTo Combination SW 3–4 From WasherMotor 9–3 From HEAD LP Relay 3–1 B–L5 derapronECCowlsidepanel LHIDLeftquarterpanel LHBLRight sideof the backpanel lowerBNCowl sidepanel RHIHECLeft fenderapron311A5 1G322DSee IlluminationSystem 5–1 R15AH–LP L LWRW–GW–RSee Headlight System 3–1 5 2B9 1L11Left fenderapronECD2 2B7 2B8 2FEL2002 LEXUS IS 300 IGHT CLEANERCONTROL RELAY6BK1G–O(W/G)E7R14REAR FOG LIGHT SW15BJ231G–O(W/G)HDLO65321124 IB1421HPBIG111421FR FOGRELAY42311116 IA111 1G1 1O6 2M1111 2C9 2ALHBM40AAM12I12IGNITION SW2To Diode(Headlight Cleaner) 3–3 L–RIG1 42 AM1W351 1D2 1D1 2F1ILL ACC214321R ear F og LightF ront F og LightH eadlight C leanerP ow er S ourc eM
WW2002 LEXUS IS 300 (EWD451U)BATTERYR–W1R–LCowl sidepanel RHSHFLSGF10BRBRB–LW–RFrom Skid Control ECU 16–8 17–5 R–LTo Combination SW 3–4 3SHGH12HEIGHT CONTROL SENSORFRONT LH1B–OSHFLW–L2SGR2SHRL3SHGH18HEIGHT CONTROL SENSORREAR LHSHB11 BD12 BD13 BD120 IB19 IB111SHRL5RH–2RH 158 IB17SBRRHTRSHB14 IA3B–O15 IA3W–LB–L16 IA317B–LG–BYW–BC9HEADLIGHT BEAMLEVEL CONTROLWARNING LIGHT[COMB. METER]IHSBF64RHE13G–BG–OB5 2B8SPDRLH–3G–OG–W7 2FJ7JUNCTIONCONNECTORB2LH 16H15HEADLIGHT BEAM LEVEL CONTROL Y20B–RB–RL110 2I72A35 IG161 IG116 IG142 IG15MRCOM(B1)RH1(S1) RH2(S2) RH3(S3) RH4(S4)13 IG13LH4(S4)13 IA36LH3(S3)H2HEADLIGHT BEAM LEVELCONTROL ACTUATOR RH4 IA3L–YY3 IA31LH2(S2)LL–W5 IA34LH1(S1)YB–R2B–R10 2H5MLCOM(B1)L–WR–BIG13 1HH1HEADLIGHT BEAM LEVELCONTROL ACTUATOR LHB–RR–YWNG11 1A10AECU–IGR–BR1810AGAUGER–Y11172 1E1 1D3RR–G1 1O40AAM1L–R2H eadlight B eam L evel C ontrolR–G122 1DIG1 4ACCI12IGNITION SW2 AM11P ow er S ourc e8 IS 3004M OVERALL ELECTRICAL WIRING DIAGRAM
9 IS 300Power SourceHornFront Wiper and Washer123G4L–RACC2 AM1IG1 4L–R1 1D25AWIPERGW15AWASHER4 1GGI12IGNITION SW6 1F8 1GGLL17LC13FRONT WIPER AND WASHER SW[COMB. SW] 2 1 SINT1INT22B1MISTEWWF125L40A AM1 BOFFHORNRELAYOFFMIST1INTINT1 1OMISTLOMF11FRONT WIPER MOTOR21MIST32B2G–WLO22WGL–YW1WASHER MOTOR2002 LEXUS IS 300 (EWD451U)2L2 1DG–BHIHIOFF1L–Y1L–YMIST5 2MMWASHERWASHER12711L–W8IA1G–BBATTERYL–R6To Theft DeterrentECU 11–4 20IA1G–WL–RS3C12HORN SW[COMB. SW]1IA1B–LL–BE5L–WW–B1To A/C ControlAssembly 24–6 24W–B51G 11L–R91FL–YL–BW–BL–WL–BL–R121611 2IG–W87 2GTo HeadlightCleanerControlRelay 7–3 120A ALT10A HORN29 IA1WIPER RELAYG–BAAIDCowl sidepanel LHW–BEC11W–BJ5JUNCTIONCONNECTORLeft fenderapronH13HORNLHH14HORNRHM
1WL–BG2002 LEXUS IS 300 (EWD451U)7 2H5 2HP/W RELAYL–RA12 A , A13 BB–RA/C CONTROL ASSEMBLY20A D RR P/WL–Y6 2KOC9COMBINATION METERL–YL–R20A D FR P/WB–L3 ID24 2LFront floorpanel RH2 BH1W–B(*1)BK3216 L–BG20A P FR P/WL20A P RR P/WL–W10A MPX–BR–YL–YL–YHFDBFEFR13 A 14 ASee Combination Meter System 22–3 4 IB34 2G21W–B(*1)5 2G5321MPX–MPX 204 BH1B8BUCKLE SW RH ANDSEAT BELT WARNINGOCCUPANT DETECTION SENSOR7 2K21MPX 10 BIG16 AP–S/B5 A8MPX26 IH1P–BBATTERY27. 5ADOME7. 5A PANEL1W1R–L4 2H 1 2CW20AECU–B120A DOORMPX–7MPX1P–G(*2)120AALT40A AM16 2ME4ENGINE CONTROL MODULE1 AP–G2TAIL RELAYL5 2IT6THEFT DETERRENT ECU1B–R10 2H1 IA321MPX1MPX220L13 1HPCLP12 B* 1 : w/ Power Seat* 2 : w/o Power SeatR–W1RL–R11 1H 4 1BMPX25 BP–G(*1)BI12IGNITION SWIG1 4ACC 31 1D1 1G7MPX1L2 1F2 AM16 1D10AGAUGEIG34From Center AirbagSensor Assembly 18–3 18–4 See Taillight andStop Light System 6–1 26–1 153G5 1F10ARADIONO. 2B5 A , B6 BBODY ECU10A ECU–IG21W4ACC3O22 1DWTAIL2 B2M ultiplex C ommunication S ystemOP–G(*1)11 1B 1 1O1BSUB1P ow er S ourceIGECA(Cont. next page)R7 1IFrom RR DEF Relayor DEICER Relay 21–2 5DFG10 IS 300M OVERALL ELECTRICAL WIRING DIAGRAMD11DOOR COURTESYLIGHT FRONT RHL–YW–B(*2)
10 IS 300 (Cont’ d)(Cont. next page)****M ultiplex C ommunic ation S ys tem5761 : w/ Power Seat2 : w/o Power Seat3 : w/ Moon Roof4 : w/o Moon Roof8B5 A , B6 BBODY ECUDBKL3 ADCLP11 BILEPD18 B8G–BRGR–Y12 BA1PCT61SUSDEPCTP7POWER WINDOWCONTROL SWREAR LHREP8POWER WINDOWCONTROL SWREAR RHG–BSDR–WG1SUDU6SU36 BA1U25R7 BB1DE3GRG6 BB14W–B5L–Y2W–B4L–W21 IB1W–B3R7 BA11W–B(S/D)21M2W–B(W/G)MW–B(S/D)1P11POWER WINDOWMOTOR FRONT RHW–B(W/G)W4WIRE TOFFC HOLDERL–YL–WW–B6U5GLW–BD2ONOFF1IJ112 BB1Y–BL–W4WW–B(W/G *2)BJW–BP6POWER WINDOWCONTROL SWFRONT ��BW12HW(*4)11 BB1L–Y211 BA15 IH12WWV6VANITY LIGHT RH43 II1SDDOORI13INTERIOR LIGHTAWIAWV5VANITY LIGHT LHHA1W–B(*3)F1HW–B(*1)EG2 II1L–YL–Y(*3)W(*4)M3PERSONAL LIGHT[MOON ROOF CONTROL SW]W–B(S/D *2)W–B(W/G *2)W–B(*1)P5PERSONAL LIGHT1HDW4WIRE TOFFC HOLDERA1L–YL–YB7BUCKLE SW LHA4 IH1F5 1N 5 1LW(*4)22RLU9 A1 1L2 1N2 BG1CL–W2FR–WW4WIRE TOFFC HOLDER1L–YP–B(*1)2002 LEXUS IS 300 (EWD451U)6 1H1RLD10 AR–Y7 1NR–WL–YP–B(*2)P–B(*1)2I11IGNITION KEYCYLINDER LIGHT1R–GCRRU3 BG–YR–GP–B1 1BBRRD4 B2 ID2D10DOOR COURTESYLIGHT FRONTLHC8 1LFrom Center AirbagSensor Assembly 18–3 P–BJ13JUNCTION CONNECTORC4 BG1APU17 B2M1P12POWER WINDOWMOTOR REAR LHP13POWER WINDOWMOTOR REAR L–RR–YW–B(S/D *2)W–B(S/D *2)ABCDEFGHIJKFront floorpanel LHM
(Cont. next page)M ultiplex C ommun ication S y stem9111012B 5 A , B 6 B BODY ECUHAZ OBD210 B 1 BGNDBECU2BCTY12MPX368 1B10 1BACTD20 BACT ACT–910LSWP LSR14 B 4 ABZR215 BBZR16 BL–R117 1B7 1L2 1B5 1B6 1NLSWD1014 BC2D182DOOR LOCK MOTORAND DOOR LOCKDETECTION SWREAR LH9 BA1IDW–BCowl sidepanel LHECLeft fenderapronFront floorpanel ft quarterpanel W–BD173DOOR LOCK MOTORAND DOOR LOCKDETECTION SWFRONT RH2L–R3W–BW–B(W/G)41LOCKDETECTIONMD193DOOR LOCK MOTORAND DOOR LOCKDETECTION SWREAR RH9 BB1D20DOOR LOCK MOTOR,DOOR KEY LOCK ANDUNLOCK SW ANDDOOR LOCK DETECTION SWFRONT LH2LOCKDETECTIONMM18 CKPULSESENSORLIMIT SWW–BW–BW–BC3MP10POWER WINDOW MOTOR FRONT LHB4L–R5R–W3L–R4L–R15 1G 2 1AAR–WG–Y24 BA1G–YL–R8 BB13 BA1R–WR–W4 RGL–RL–BB–L3 BB1W–B10 1LL–YKUL15L–YKL65 II12 2K5 IA1K1KEYLESS BUZZERSGND111 2K13 IA1L–OPLS121 2LL–O4 ID2CJ16JUNCTION CONNECTORL–RCTXL–RLMT13C1 2HL–RU8L–RD2013 BC2R–W25 1IG–Y11 1IR–WG–YTo Data Link Connector 3 2–5 2002 LEXUS IS 300 (EWD451U)From FLSH Relay 4–3 PW PWR PWL9 1H18DCTY2 2L410 1HY–R16EBDM9 1B2 2HP9POWER WINDOW MASTER SW95R–GR–GW–BR–YW–BW–BR–YWG–WTo Moon RoofControl ECU 12–2 R–W7 1HAJ15JUNCTIONCONNECTORABLABCDEFGHIM OVERALL ELECTRICAL WIRING DIAGRAM10 IS 300 (Cont’ d)
10 IS 300 (Cont’ d)M ultiplex C ommun ication S y stemR–GR–LR–BW–BG–BB–YFrom Theft Deterrent ECU 11–3 R–BB–YFrom Engine ControlModule 2–12 B–YW–BW–BJ7JUNCTIONCONNECTORBRBRU1UNLOCK WARNING SWBRD16DOOR LOCKCONTROL SW RHUNLOCKLOCKR–LR–LD14DOOR COURTESY SWREAR LHR–LD15DOOR COURTESY SWREAR RHD12DOOR COURTESY SWFRONT LHR–GW–BW–BL–YD13DOOR COURTESY SWFRONT CK DOOR OPENER SWW–B11111B–YG–BG–RB(W/G)L7LUGGAGE COMPARTMENTLIGHTL–YW–B(W/G)W–BW–B(W/G)Cowl sidepanel RHIHBNRight side of theback panel lowerG–RRW–B(W/G)AB(W/G)D9DIODE (LuggageCompartment Light)B11 BW–BGW–B(W/G)L4 A(S/D)LUGGAGE COMPARTMENTDOOR COURTESY SW AND OPENER MOTORBACK DOOR COURTESY SWAND OPENER MOTORL6 AB12 BLUGGAGE COMPARTMENTDOOR OPENER RELAYBACK DOOR OPENER �L(W/G)5 S/D)I2W–B(W/G)F(S/D)2 A (S/D)2 BW–B(W/G)GR–B(W/G)D15 BC25 2B5 2K4 2KC (S/D)D (W/G)CD1 B (W/G)13 B4 B (W/G)3 A51W–B(W/G)ER–B(W/G)C BAL–Y(S/D)A7 BK1EL–Y(W/G)L–Y(W/G)2RDAW3WIRELESS DOOR LOCKCONTROL W–BW–B(S/D)A1 B232BC21 A7 2FJ12(S/D)J17(W/G)JUNCTIONCONNECTORPRG11A2 A (S/D)2 B (W/G)4 B4 A (S/D)3 B (W/G)1 A19 II16 BJ22002 LEXUS IS 300 (EWD451U)2BBC (S/D)D (W/G)M23G–YBR–B(S/D)2 IB1B511 BC2B6BB3 BC28 IH1J6JUNCTIONCONNECTOR18 II117 II1J12(S/D)J17(W/G)JUNCTIONCONNECTORDCTY6 ARCTY5 APCTY8 BGND219 BKSW6 BPMUL9 BPML7 BBDSU13 BLGCY7 ATR 8 ARDA2 APRG1 A16151413BODY ECUB5 A , B6 BM
B2002 LEXUS IS 300 (EWD451U)C11COMBINATION SWAUTOR–YHA16ELW–BAC 9 A , C10 BB–L5 2B1T1THEFT DETERRENT HORNLIGHT CONTROL ECTOR21BLA1211 IB112 IA3W–BCowl sidepanel RHJ5JUNCTIONCONNECTORSECURITY INDICATORLIGHT[COMB. METER]IDABR7 2FAA18 A5 ALUG2 ATAIL4 BHORNLeft quarterpanel LHJ15JUNCTIONCONNECTORL5LUGGAGECOMPARTMENT DOORKEY UNLOCK SWCowl sidepanel LHW–B5 1G8 BBRECW–B1 1A2 1A11 IA11 AHEADDSWH4 AE9ENGINE HOODCOURTESY SWLeft fenderapron12G–YHEAD13W–BTAILRT10 2A2 2EL–BA28AUTOMATIC LIGHTCONTROL SENSOROFF14L–BCLTE3R4YCLTS3 2ASH–2 B6 ANAV1LBATTERYRBR1W–BB–W140A AM1120AALTY3 IG3IND12 BG–YCLTBE22 A8 BMPX2L1W2BR3 IE1AL–B4 IE1HL–B5 IE1T13 A 12 A 14 A7 BMPX1B–W220AECU–B115A DOOR DLW1CLTE21 AW–R19 AKSWB–YCLTSG3 BSHTo Unlock WarningSW 10–16 11 A B1See MultiplexCommunicationSystem 10–4 20 A4 2FG–WCLTB10 AIG7. 5AECU–B2From Multi–Display 25–3 9 AJ6JUNCTIONCONNECTORA B–RB–R A10AECU–IG6 2MR–YTHEFT DETERRENT ECU4 1A1 1DFrom Diode (Fog Light) 3–4 1L–R4R–W1 1OIG1 4ACCT5 A , T6 BI12IGNITION SW2 AM1BG3T heft D eterrentFrom TAIL Relay 26–1 1 2C122 1DWL–R2A utomatic Light C ontrol andLight A uto T urn O ffG–W1G4 2I1P ow er S ourceFrom HORN Relay 9–4 111 IS 300M OVERALL ELECTRICAL WIRING DIAGRAMG–YFrom Engine Control Module 2–6
12 IS 300P ow er S ourc eA utomatic G lare–R es istantE C M irrorM oon R oof12 AM1WR emote C ontrol M irror32ACC 3RIG1 4L–R4R6 1DB–R1 1DI12IGNITION SW10ARADIONO. 2B10AECU–IGW4WIRE TOFFC HOLDERB3 1N8 1N2 1DB–R2E 4ER–G4OPENE12CGW4WIRE TOFFC HOLDERLEFT6 1ALEFTVR VL6CEC–EC EC–5 1G8MHRMBJR12REMOTE CONTROLMIRROR RH6M 8MVLMMHLMP–B 7 M R12REMOTE CONTROLMIRROR RHR11REMOTE CONTROLMIRROR LH7W–BEC 13 II1P–L510 1LP–G410 ID2LP–BG–RW–RG–RW–RW–B5MVRM12 II147 1LP–B8 ID26BATTERY9LCM3MOON ROOF CONTROL SW1 IJ17 1BP–BL–Y20 II1SELECTSWW–B9 ID2CL–Y8 II12P–BG–RB–L17 ID2LEFTHR HL104 II112 nt floorpanel LHRIGHTP–L3 1AW–RCLOSEDOWNL1 1NG–RDOWNM P–B4 6EC–2W–RDOWNJ11JUNCTIONCONNECTORDW10IG1 1OUPEC WM2MOON ROOFCONTROL ECU35R13REMOTE CONTROL MIRROR SWBB–RB–RW30A S/ROOF40A AM12002 LEXUS IS 300 (EWD451U)4 B11IGGRWWW1From BodyECU 10–10 12 1BI14INNER MIRRORR11REMOTE CONTROLMIRROR lsidepanel LHM
WW9 2I30A P/SEATWW140A AM114M1FRONTVERTICAL2002 LEXUS IS 300 (EWD451U)M14W–BUPREARFRONTSLIDESLIDEP16POWER SEAT CONTROL SW (Driver’ s Seat)120A W–B(*1)W–B(*1)W–B(*1)R–G(*1)Front floorpanel LH3 BG1R–G(*1)10 IB36R12W–B(*2)BJW–B(*1)S9SEAT HEATER(Driver’ s Seat)W–B(*1)W–B(*1)P25POWER SEAT MOTOR(Front Passenger’ s SeatSlide Control)B–RBW–RP22POWER SEAT MOTOR(Front Passenger’ s SeatFront Vertical Control)W–RW–GP23POWER SEAT MOTOR(Front Passenger’ s SeatRear Vertical Control)Y–GY–R3IGR–G(*2)P21POWER SEAT MOTOR(Driver’ s SeatSlide Control)B–RDOWN8M5 2B7 2FAA2EW–BIHBRCowlsidepanelRHAFrontfloorpanelRH3 BH12EBKR–L(*1)R–L(*1)RIG4 IH46312R–L(*2)96BW–RUP71P24POWER SEAT MOTOR(Front Passenger’ s SeatReclining Control)L–RL6 1LS4SEAT HEATER SW(Front Passenger’ s Seat)FRONT2P18POWER SEAT MOTOR(Driver’ s Seat FrontVertical Control)10 EAR15ASEAT R SEAT MOTOR(Driver’ s Seat RearVertical Control)Y–GY–RL–RS3SEAT HEATER SW(Driver’ s Seat)DOWN22 1L1 1DBR22ML–R4* 1 : w/ Power Seat* 2 : w/o Power SeatBR171P20POWER SEAT MOTOR(Driver’ s SeatReclining Control)L–RLREARVERTICALUP83211 BH13R–G1DOWNFRONTRECLININGR–L1REAR12 IH4RECLINING1 1OL–RWB–W7 2M1IG1 4ACC2S eat H eate rB–W122 1DW10 2GW7 IB31BG1I12IGNITION SW2 AM11P ow er S eatWWWP ow er S ourc e13 IS 300M OVERALL ELECTRICAL WIRING DIAGRAMS10SEAT HEATER(Front Passenger’ s Seat)W–B(*2)WP17POWER SEAT CONTROL SW (Front Passenger’ s Seat)
MEMO2002 LEXUS IS 300 (EWD451U)
W12002 LEXUS IS 300 (EWD451U)BATTERYW–R225AEFIB619 DS1SLT SLT–834 DSLN 313 DSLN–912 DOIL127 D34 BE2VPA7A AC BVC3 CME01VTA24 EE03BRBRBRLGVYBWB–RW–BB–LEBD1 AEOMSTALeftfenderapronAD2 AECSTP4 BW–BECJ3DJUNCTIONCONNECTORTC3 B 12 ABRCenter side of theintake manifoldJUNCTIONCONNECTORBRE1ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOIDVTAJ1 A , J2 BVPA2E2YOTG–YSLN–W–LSLN B–RSLT–G–WSLT LG–BGSLU–235 DB–YGRSLU 1010 DSLU–ENGINE CONTROL MODULER–BRS4411 DSLU THW22 D 32 C 27 C 26 C 24 C 33 B 32 B 25 E 24 E 35 BY–RLS31116 DS423 DSP2 SP2– THAVGEVGE3 A , E4 B , E5 C , E6 D , E7 ER–WOS2517 DS3NCO–20 DGROS11218 DS2NCO 21 DSee Engine Control andEngine Immobiliser System 2–9 2–10 2–11 2–12 BRJ3JUNCTIONCONNECTORB5 A B2IGSW17 A12L–RW–BCowl side panel RHB–RB6 A B BM7 A214(Cont. next page)W–BIH11 2B4 2B–Y2B–OMRELL–W13 AB–OBATT7. 5AIGNR4 A8 2A13 2HG1352B–RO1O/D DIRECT CLUTCHSPEED SENSORG212B–Y51HV1VEHICLE SPEED SENSOR(Electronically Y120 IA3I12IGNITION SWB–RIG2 67 AM2W–RST2L–RIG1 4ACC2 AM1W2E lec tronic ally C ontrolled T ransmis sion and A /T Indic atorR–L140AAM11P o w er S ou rc eR–L21 1O122 1D14 IS 300M OVERALL ELECTRICAL WIRING DIAGRAMB–R
14 IS 300 (Cont’ d)E lectronically C ontrolled T ransmiss ion and A /T Indicator5768L–RAL–RR–LR–L1 1D3F ARBJ1 A , J2 BP1A/T INDICATOR LIGHT SW[PARK/NEUTRAL POSITION SW]PLRL52L7LL48J1 A , J2 B10AGAUGED BGEE JUNCTION CONNECTORBA9 1K2 1EEBB AGR–B9IG3GR–BABLG–B10IG3LG–BA12A/C CONTROL ASSEMBLY12 B14 B324MPX–BRLAE12ELECTRONICALLYCONTROLLED TRANSMISSIONPATTERN SELECT SWSNOWPWRMRC9COMBINATION METERLCD19J7JUNCTIONCONNECTORABR7 2F5BR–WW–BBRJ4AJUNCTIONCONNECTOR55 IG3Y–GBRAB–YL–W2LD AAC12A/T SHIFT MAIN SW[COMB. SW]MPX121 B134See MultiplexCommunication System 10–3 G–YECCG–YSFTUF BT8TRANSMISSION CONTROL SW(L–2)W–BSFTDMPX220 B44 IG3BR–Y4L15 B1 IA312 IA1J1 A , J2 B2JUNCTIONCONNECTORBR–YGR–GGR–R1E021 CW–BBW–B17 IA1BRBE012 CSNOWL7 DBR–YJ7JUNCTIONCONNECTORGR–G16 IA1E1SFTU6 BY–GSFTD1PWRECT PWR4 DSNOW13 BRNDE3 A , E4 B , E5 C , E6 D , E7 EENGINE CONTROL MODULE5 BTo Shift LockControl ECU 21–4 17Y–G3 DG–WJ1 A , J2 BJUNCTIONCONNECTORGR–BG–RR–B5 DPABR–LCAR–LJ1 A6 DGR–R2002 LEXUS IS 300 (EWD451U)JUNCTIONCONNECTORB A5 2B4Y–GW–BFront side of theintake manifoldEACowl side panel RHIHIEFront floor panelcenter LHM
WWW–R1B2002 LEXUS IS 300 (EWD451U)B–RJ1 A , J2 BBRW–BW–BW–BW–BSee MultiplexCommunicationSystem 10–3 BRBRBRBRW–BW–BW–BW–BB–LFront side of theintake manifoldBREAJUNCTIONCONNECTORJ4JUNCTIONCONNECTORD AF BECC4BR–Y(A/T)A BR12 IA131 BCANCELSET/COAST56 IA3CCSM–2 ECCSGE011 ERES/ACCCRUISEJ7JUNCTIONCONNECTORBR–Y B(A/T)BCL–9 EBR–Y(M/T)AA7 DCL L–RCenter side of theintake manifoldVTA2M 413 B 14 BDCLSW3 E 13 BFront floorpanel centerLHC9CRUISE CONTROLINDICATOR LIGHT[COMB. METER]EBVTAIE19172 1EBR–WEC1 C2 CME01 MPX1 MPX23 C 21 B 20 BBR–YDDVCBR–Y(M/T)LeftfenderapronDE034 EVPA24 1A1 1DBR–WIHBEC2 AVPA(A/T)J3JUNCTIONCONNECTORBEOM1 AE2E3 A , E4 B , E5 C , E6 D , E7 ESTP4 B 34 B 33 B 32 B 35 B 25 E 24 E 10 E21(A/T)Cowl side panel RHB–R B25 ATC3 BENGINE CONTROL MODULEE01E02E1ST1–8 AC15CRUISE CONTROLCLUTCH SWL–R11 2B B6 AIGSW17 A43See Engine Control andEngine Immobiliser System 2–8 2–9 2–10 2–11 2–12 AR–LBATTERYL–W4 2BW–B225AEFIB–R215AETCS1 BM7 AB–OS8STOP LIGHT SW220AAM21BATT MREL8 2A82B7. 5AIGNA15 ��Y4 A 13 AB–O2EFIRELAYL–W235213 120 IA3ST2B–R51D310A ECU–IG21 1OW–RIG2 6L–R2B–R(M/T)127 AM2IG1 4I12IGNITION SW2 AM1WACCC ruise C ontrolB–R(M/T)2 1D1P ow er S ourceL–R40AAM115 IS 300M OVERALL ELECTRICAL WIRING DIAGRAM10A GAUGESee Electronically ControlledTransmission andA/T Indicator System 14–6 C12CRUISE CONTROL SW[COMB. SW]J3JUNCTION CONNECTORB–R
MEMO2002 LEXUS IS 300 (EWD451U)
W–R20AECU–B1L60AABS1L2002 LEXUS IS 300 (EWD451U)131224622L–B21223422L–YL–B1 AR MRF1MR BIMTW–LMRE2B15VCMPMC5E2BR–WB–LCowl side panel RHE3FSSB–R616VCM2 PMC2 E3721 D 18 D 12 D 13 DVCM2 PMC2R–LB–RL–W(*1)W–BABS MTR RELAYABS SOL RELAYL–WR–LB–RB–RIH14RA32ABS & BA & TRAC & VSC ACTUATOR(*1)PMC(*1)2L–YMT14 IA1VCM20 D 10 D 19 DWGND3GSS12 CS15 A , S16 B , S17 C , S18 DSKID CONTROL ECUGM423 A 14 D BMSR24 A 10 A 22 A* 1 : ShieldedLBATTERY12 1EL–RR–Y15 IA14DCBA(Cont. next page)Y22120AALTB1WBR–W24 1A10AGAUGEL14 1L10AECU–IG3VSCW–R140AAM11 1DL–R1 1O12I12IGNITION SWIG1 42L6 2M1W2 1D2 AM1ACCL–R11P ow er S ourceW–R1 2F7. 5AECU–B216 IS 300M OVERALL ELECTRICAL WIRING DIAGRAM
16 IS 300 (Cont’ d)(Cont. next page)VSC5ABC768R–LR–LB–RAB–RB–R25 AW–G17 IA3W–G7 2FTo Engine Control Module 2–12 BRW–BW–BW–B24W–BW–BL–WA32ABS & BA & TRAC & VSC ACTUATORY23AST7 IA3R–YJ7JUNCTIONCONNECTORFrom Engine ControlModule 2–12 AABSTRC–20 BBR11TRC 11 BR–Y2110 IA1G1918 IA3NEO26 CG9ENG–18 BP20FROP10L–B33L–B1713 BSTPENG T7TRAC OFF SW293 BBZ9 BLG–R324To Parking Brake SW 22–4 34CSW7 CY–R28PKB21 BW–B31W–B1SRRH SRRR SRC2 SRM2 SFRH SFRR SRLH SRLR SM1 SM1– SM2 SM2–5 BIG18 IA3B1BRAKE FLUIDLEVEL WARNING SW8SFLRGND3 GND415 D 22 DY–RW–B17. 5A ABS2307 BW–RLBL3 ��R18FSW–SKID CONTROL ECUGND1 GND22 A4 CFSW To Headlight BeamLevel Control ECU 8–2 AST6 D5 CG–R4 DFrom Stop Light SW 6–4 26–4 5 DRR–L–R2 D15 BRR V10VSC WARNING BUZZER3 DB–R1 D16 BRL–B–R23 BRL R–B7 DR–B8 D23 IA1W–G5 A 21 A 16 DG–YL–OL–YL–RB–YG–O26SRC1 SRM1 SFLHW–GFR 227B10BRAKE PEDALLOAD SENSING SW9 A4 IA1B8 AB7 A16 IB1GR6 ABGR22 B13 AFR–SRC1 SRM1 SFLH SFLR SRRH SRRR SRC2 SRM2 SFRH SFRR SRLH SRLR SM1 SM1– SM2 SM2–4 AGRA30ABS SPEED SENSORREAR RH12 AFL LR28 AFL–YSS6 IB121S15 A , S16 B , S17 C , S18 D31 A16 BC27 BC222 IB1B1OB27 A3 CGYAWLG20 CVYSV1 CYAW210 IB1(Shielded)Y10 CYD11AB–RA J6JUNCTIONCONNECTOR25L16 CGL2GYAW8R22 CGL1VYS1GBRW2002 LEXUS IS 300 (EWD451U)21 CYAW222LYD61RGL222A29ABS SPEED SENSORREAR LHGL14A8ABS SPEED SENSORFRONT RHA7ABS SPEED SENSORFRONT LHY1YAW RATE SENSOR1AD5 2BAJ5JUNCTIONCONNECTORAW–BCowl sidepanel LHAIDECLeft FenderapronIHCowl sidepanel RHM
BATo Data LinkConnector 3 2–4 2–5 W–L27 C2002 LEXUS IS 300 (EWD451U)SP12 B12 A 19 A17 AW–BFront floorpanel center LHY–GBR–WBR–WW–BIEBRAKE6 AC 9 A , C10 BCOMBINATION METER9 AABSFront floorpanel LHBRL8 B3 BTRAC OFFBJIG11WA1 B114 BSLIP2 1IS19STEERINGSENSOR7TRIGWT4 BVSCW14 BVSC5 BVSC2 1A26WBATTRIG6 CW–LESS8SS1–LG–B3LGSS1 24 B BOSKID CONTRO
M OVERALL ELECTRICAL WIRING DIAGRAM 1 2 34 51H (Cont. next page) 2 IS 300 25A EFI 15A ETCS 120A ALT 20A AM2 11111 1 4 21D 62E 11O 12C 40A AM1 W–L B F15 FUEL PUMP 7. 5A OBD 7. 5A IGN 2A 4 2H 13 5 3 1 2 1 2 5 3 2 ACC IG1AM1 4 IG2 ST2 6 7AM2 1I Cowl side panel RH IH 51D 1 EFI RELAY 1 2 2
