ENGINE PERFORMANCE – Lexus LS 430 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.3L

4.3L, Engine Performance Wiring Diagram (1 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (1 of 7) for Lexus LS 430 2005:

• (behind upper center of dash)
• (right side of shift lever) ih
• +b1
• A/c system
• Accelerator position sensor (behind left center of dash)
• Anti-theft system
• Batt
• C12
• Canh
• Canl
• Ccv
• Combination meter
• Computer data lines system
• Cooling fans system
• Cpu
• Data link connector 3 (below left side of dash)
• Ec (left radiator side support)
• Engine control module (ecm) (on left front of engine compt, in protective case)
• Ep1
• Ep2
• Epa
• Epa2
• Fpr
• Ht1b
• Ht2b
• I2 (in dash harness, behind upper left side of dash)
• Igsw
• Ii (right side of shift lever)
• Imi
• Imo
• J/c 10
• J/c 12
• J/c 13 (behind upper center of dash)
• J/c 16, j/c 17
• J/c 16, j/c 17 (behind upper center of dash)
• J/c 35 (left side of dash)
• J16
• J17
• Mil ind
• Mrel
• O1b-
• O2b-
• Ox1b
• Ox2b
• Ptnk
• Pwr
• Red
• Rfc
• Sftd
• Sftu
• Short s2 connector s1
• Snow
• Spd
• Speedo- meter
• Sta
• Stp
• Tac
• Tach
• Tam
• Tbp
• Vapor pressure sensor (below right rear of vehicle)
• Vcc
• Vcp1
• Vcp2
• Vcpa
• Vpa
• Vpa1
• Vpa2

4.3L, Engine Performance Wiring Diagram (2 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (2 of 7) for Lexus LS 430 2005:

• C/ opn relay
• Dome fuse 10a
• Driver side j/b (at left kick panel)
• Driver side j/b ecu (at left kick panel)
• E13
• E16
• E9 (in engine harness, under engine room no. 1 j/b)
• Ec (left radiator side support)
• Efi 1 fuse 25a
• Efi main relay
• Engine room r/b 1 (on left front of engine compt, behind headlight)
• F/ pmp relay
• Fuel pump & fuel sender (under left rear of vehicle)
• Fuel pump resistor (left rear of engine compt)
• Gauge fuse 7.5a
• Hot at all times
• Hot in on or start
• J/c 1, j/c 2 (left front engine compt)
• J/c 23 (rearward of left rear fender- well)
• J/c 7 (below engine room j/b 1)
• Mpx-b2 fuse 7.5a
• Passenger side j/b (at right kick panel)
• Red
• S43
• S44
• Short connector
• Stpi
• Stpo
• Vsv (canister closed valve) (on right side of engine compt)
• Vsv (pressure switching valve) (below right rear of vehicle)

4.3L, Engine Performance Wiring Diagram (3 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (3 of 7) for Lexus LS 430 2005:

• (at left kick panel) driver side j/b
• (below engine room j/b 1) j/c 7
• (in engine harness, under ecu box)
• (left front of engine compt) j/c 33, 34
• (on right side of transmission) park/neutral position switch
• Acc
• C14
• Ec (left radiator side support)
• Efi 2 fuse 7.5a
• Eknk
• Eknk2
• Engine control module (ecm) (on left front of engine compt, in protective case)
• Engine room r/b 1 (on left front of engine compt, behind headlight)
• Eoil
• F14
• Fr ig fuse 7.5a
• Fusible link block (on right rear of engine compt)
• Hot at all times
• Hot in on or start
• Ign fuse 7.5a
• Ignition switch
• J33
• J34
• Knk1
• Knk2
• Left knock sensor (on left side of engine)
• Lock
• Mol
• Nt+
• Nt-
• Oil
• Oil pressure switch (lower left front of engine)
• P/n
• Red
• Right knock sensor (on right side of engine)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• St fuse 30a
• Sta fuse 7.5a
• Star
• Start
• Starter relay
• Turbine speed sensor (in transmission)
• Vehicle speed sensor (on transmission)

4.3L, Engine Performance Wiring Diagram (4 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (4 of 7) for Lexus LS 430 2005:

• (above brake pedal, on bracket) stoplight switch
• (on left center of engine) engine oil level sensor
• A/t indicator light switch
• Driver side j/b (at left kick panel)
• Electronically controlled transmission solenoid (on left side of transmission)
• Hot at all times
• Ik (at right side of dash)
• Ot+
• Ot-
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Stop fuse 5a
• Transmission control switch

4.3L, Engine Performance Wiring Diagram (5 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (5 of 7) for Lexus LS 430 2005:

• (at right kick panel) passenger side j/b ecu
• (engine harn, top center rear of engine)
• (engine harn, top rear of left cyl head)
• (left front of engine compt) j/c 33, j/c 34
• (right front of engine) right bank noise filter (ignition)
• Computer data lines system
• E12
• E13
• E2 (in engine harn, near ecu box)
• Ef (on left cylinder head)
• Electronically controlled transmission pattern select switch
• Engine room r/b 1 (on left front of engine compt, behind head- light)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust system, below vehicle)
• Heated oxygen sensor (bank 2 sensor 2) (on exhaust system, below vehicle)
• Hot in on or start
• Ik (right side of dash)
• Inj fuse 10a
• J/c 3, j/c 4 (left front of engine compt)
• J33
• J34
• Mpx-
• Pwr
• Red
• Snow

4.3L, Engine Performance Wiring Diagram (6 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (6 of 7) for Lexus LS 430 2005:

• (engine harn, rear top of left cyl head)
• (engine harn, top center of right cyl head)
• (left front of engine compt) j/c 33, j/c 34
• (left rear of engine) left bank noise filter (ignition)
• Braided
• E11
• E12 (engine harn, top center rear of engine)
• E13
• Ee (on right cyl head)
• Ef (on left cyl head)
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• Ignition coil & igniter 7
• Ignition coil & igniter 8
• J/c 33, j/c 34 (left front of engine compt)
• J33
• J34
• Red

4.3L, Engine Performance Wiring Diagram (7 of 7) for Lexus LS 430 2005

List of elements for 4.3L, Engine Performance Wiring Diagram (7 of 7) for Lexus LS 430 2005:

• (engine harn, top center rear of engine)
• (on exhaust system, on right side of engine) heated oxygen sensor (bank 2 sensor 1)
• (on front of right cyl head) right camshaft timing oil control valve
• (on left rear of engine) vsv (evap)
• (on right rear of engine) vsv (acis)
• (on right side of engine compt, near air box) mass air flow meter
• (on right side of engine) right vvt sensor
• +bm
• 02a-
• Acis
• Braided
• Camshaft position sensor (on front of left cyl head)
• Crankshaft position sensor (on left front of engine)
• E01
• E02
• E03
• E12
• E2g
• Ee (on right cyl head)
• Ef (on left cyl head)
• Engine control module (ecm) (on left front of engine compt, in protective case)
• Engine coolant temperature sensor (on front center of engine)
• Engine room r/b 1 (on left front of engine compt, behind head- light)
• Etcs fuse 10a
• G2+
• G2-
• Generator
• Heated oxygen sensor (bank 1 sensor 1) (on exhaust system, on left side of engine)
• Hot at all times
• Ht1a
• Ht2a
• Htl
• Htr
• Igf1
• Igf2
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Left camshaft timing oil control valve (on front of left cylinder head)
• Left vvt sensor (on left side of engine)
• M031
• Ne+
• Ne-
• O1a-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Ox1a
• Ox2
• Ox2a
• Prg
• Red
• Shield
• Tha
• Throttle position sensor & motor (on throttle body)
• Thw
• Vc1
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-