ENGINE PERFORMANCE – Lexus IS 250 F Sport 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 11) for Lexus IS 250 F Sport 2014:

• (left rear of engine compt) ground junction connector 1
• (left rear of trunk) fuel pump control ecu
• (under left rear of vehicle, near fuel tank) fuel return vent tube sub-assembly
• A/c amplifier (center of dash)
• A/f fuse 15a
• A/f relay
• A76
• Accelerator position sensor (under left side of dash)
• Anti-lock brakes system
• Aq2
• Batt
• Canh
• Canl
• Combination switch assembly
• Computer data lines system
• Cooling fans system
• Eco
• Ecos
• Efi 2 fuse 10a
• Efi main fuse 25a
• Efi main relay
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Epa
• Epa2
• Fa1
• Fp-
• Fpc
• Fuel gauge sender
• Hot at all times
• Igsw
• Ill+
• Ill-
• Instrument cluster system
• Interior lights system
• Irel
• K10
• K11
• Ka (left kick panel)
• Ka1
• Ksw
• Mrel
• Neo
• Norm
• Normal
• Pnk
• Pump
• Pwr
• Qb (left side of trunk)
• Red
• Rfc
• Snow
• Snsw
• Spd
• Sport
• St1-
• Stp
• Tach
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vsc off

2.5L, Engine Performance Wiring Diagram (2 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 11) for Lexus IS 250 F Sport 2014:

• (left rear of engine compt) ground junction connector 1
• (left side of engine compt) engine room j/b 2
• +b2
• A77
• Ab (left rear of engine compt)
• Acis
• Anti-theft system
• Batt
• Canh
• Canl
• Ccs
• Computer data lines system
• Cruise control system
• D10
• D14
• E03
• Efi main 2 relay
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 1 (right rear of engine compt)
• Engine room r/b 1 (right rear of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fa (left rear of engine)
• Fa1
• Fuel pmp fuse 20a
• Hot at all times
• Ht1b
• Ht2b
• Imi
• Imo
• Inj fuse 20a
• Inj relay
• Ka7
• Nsw
• Ox1b
• Ox2b
• P/i-b fuse 100a
• Pnk
• Pwr
• Red
• Semiconductor power integration ecu
• Sftd
• Sftu
• Snwi
• Sp2+
• Sp2-
• Spcn
• Sta
• Starting/ charging system
• Stj1
• Stp

2.5L, Engine Performance Wiring Diagram (3 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 11) for Lexus IS 250 F Sport 2014:

• (left side of dash) driving support ecu
• (rear of transmission) transmission revolution sensor (counter gear)
• (right end of dash) certification ecu
• A13
• A52
• Acc relay
• Acis
• C10
• C20
• Ca1n
• Ca1p
• Canh
• Canl
• Computer data lines system
• Diode (park/neutral position switch assembly) (behind left side of dash)
• Ecu-acc fuse 7.5a
• Fa1
• Hot at all times
• Hot w/ ig1 3 relay energized
• Hot w/ ig2 relay energized
• Ig1 3 fuse 10a
• Ign 1 fuse 7.5a
• Ill+
• Ill-
• Instrument panel j/b (left end of dash)
• Interior lights system
• Junction connector 1 (left side of engine compt)
• Ka (left kick panel)
• Ka1
• Ka2
• Ka4
• Mk1
• Park/neutral position switch (right side of transmission)
• Pnk
• Red
• Shift position indicator
• Sksw
• Starting/ charging system
• Sti-
• Stp-
• Vsv (acis) (left side of engine)

2.5L, Engine Performance Wiring Diagram (4 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 11) for Lexus IS 250 F Sport 2014:

• (left side of dash) stop lamp switch
• (left side of engine compt) junction connector 1
• Ae (right rear of engine compt)
• C19
• Ecc
• Engine room r/b 2 (left side of engine compt)
• Etcs fuse 10a
• F75
• F76
• Fa (left rear of engine)
• Fa1
• Gnd
• Hot at all times
• Hot w/ ig2 relay energized
• Ic1
• Ic2
• Ign 2 fuse 10a
• Instrument panel j/b (left end of dash)
• Junction connector 5 (left side of engine compt)
• K26
• Left paddle shift switch
• Pnk
• Red
• Right cam timing oil control valve assembly (bank 1 intake side) (right cylinder head)
• Right paddle shift switch
• Right steering pad switch
• Sdn
• Sftd
• Sftu
• Spiral cable w/ sensor sub-assembly (under steering wheel)
• Steering pad switch assembly
• Stop fuse 5a
• Sup
• Switch wire 1
• Transmission control switch (base of shift lever)

2.5L, Engine Performance Wiring Diagram (5 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 11) for Lexus IS 250 F Sport 2014:

• (left front of engine) crank position sensor
• (left side exhaust system) oxygen sensor 2 (bank 2 sensor 2)
• (right side exhaust system) oxygen sensor (bank 1 sensor 2)
• (under center rear of vehicle) canister pump assembly
• +bm
• 2wd
• 4wd
• Aq1
• Aq2
• Canister pressure sensor
• E2g
• Engine control module (ecm) left front of engine compt
• Ev1+
• Ev1-
• Fa (left rear of engine)
• Fa1
• Ht1b
• Ht2b
• Iac1
• Intake mass air flow meter sub-assembly (right side of engine compt)
• Ka7
• Leak detection pump
• Left cam timing oil control valve assembly (bank 2 intake side) (left cylinder head)
• Mgnd
• Mpmp
• Mtrb
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Ox1b
• Ox2b
• Pnk
• Ppmp
• Prg
• Red
• Sgnd
• Shield
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Tha
• Tho1
• Thw
• Vcc
• Vent valve
• Vgnd
• Vlvb
• Vout
• Vpmp
• Vsv (purge) (right rear of engine)

2.5L, Engine Performance Wiring Diagram (6 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 11) for Lexus IS 250 F Sport 2014:

• (rear of engine) swirl control valve position sensor
• (right rear of engine) vvt sensor (bank 1 exhaust side)
• 5v ic
• Can i/f
• Canh
• Canl
• Combination meter assembly
• Computer data lines system
• Cpu
• Driver display
• E.f.i. engine coolant temperature sensor (right rear of engine)
• E2x
• Engine oil level sensor (bottom right of engine)
• Engine oil pressure switch (front of engine)
• Ex+
• Ex-
• F75
• F76
• Fa1
• Fb (right rear of engine compt)
• Fuel pressure sensor (rear of engine)
• Fs1
• Gnd
• I/f
• Ig+
• Instrument cluster system
• Junction connector 5 (left side of engine compt)
• Ka1
• Kc (right kick panel)
• Led driver
• Loil
• Oilw
• Pnk
• Red
• Shield
• Speaker
• Telltales
• Vc2
• Vcx
• Vsx

2.5L, Engine Performance Wiring Diagram (7 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 11) for Lexus IS 250 F Sport 2014:

• (left rear of engine compt) brake actuator
• (left side of engine) vvt sensor (bank 2 exhaust side)
• (right rear of engine) fuel pump
• A53
• Canh
• Canl
• Computer data lines system
• Electronically controlled transmission solenoid (left side of transmission)
• Ex+
• Ex-
• Hot w/ ig2 relay energized
• Instrument panel j/b (left end of dash)
• Meter fuse 7.5a
• Oil
• Red
• Shield
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp1
• Stp
• Vc2

2.5L, Engine Performance Wiring Diagram (8 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 11) for Lexus IS 250 F Sport 2014:

• (right front of engine compt) injector driver
• +b2
• A75
• B20
• C18
• F35
• F37
• F74
• Fa (left rear of engine)
• Fi1
• Fp+
• Fp-
• Fpd
• Fpf1
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Ijt1
• Ijt2
• Ijt3
• Ijt4
• Ijt5
• Ijt6
• Inj1
• Inj2
• Inj3
• Instrument panel j/b (left end of dash)
• Junction connector 4 (left side of engine compt)
• Knock control sensor (bank 1) (top right side of engine)
• Knock control sensor (bank 2) (top left side of engine)
• Pnk
• Red
• Shield
• Transmission revolution sensor (turbine) (front of transmission)

2.5L, Engine Performance Wiring Diagram (9 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (9 of 11) for Lexus IS 250 F Sport 2014:

• (left side of engine)
• (right front of engine) ja
• (right front of engine) va
• (right side of engine)
• E04
• Ekn2
• Eknk
• Engine control module (ecm) (left front of engine compt)
• Ev2+
• Ev2-
• Fb (right rear of engine compt)
• Fuel injector 1 (for direct injection)
• Fuel injector 2 (for direct injection)
• Fuel injector 3 (for direct injection)
• Fuel injector 4 (for direct injection)
• Fuel injector 5 (for direct injection)
• Fuel injector 6 (for direct injection)
• Ha1a
• Ha2a
• Ic1
• Ic2
• Knk1
• Knk2
• Nt+
• Nt-
• Pnk
• Red
• Shield
• Throttle body w/ motor assembly (right rear of engine)

2.5L, Engine Performance Wiring Diagram (10 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (10 of 11) for Lexus IS 250 F Sport 2014:

• (front of left cylinder head) vvt sensor (bank 2 intake side)
• (left rear of engine) air fuel ratio sensor 2 (bank 2 sensor 1)
• (right cylinder head) right cam timing oil control valve assembly (bank 1 exhaust side)
• (right front of engine) vvt sensor (bank 1 intake side)
• (right rear of engine) air fuel ratio sensor (bank 1 sensor 1)
• A1a+
• A1a-
• A2a+
• A2a-
• Alt
• Charging
• E01
• E02
• Engine control module (ecm) (left front of engine compt)
• Eta
• F75
• F76
• Fa (left rear of engine)
• Ge01
• Ha1a
• Ha2a
• Igf2
• Igt2
• Igt4
• Igt6
• Inj1
• Inj2
• Inj3
• Junction connector 5 (left side of engine compt)
• Me01
• Oe1+
• Oe1-
• Pnk
• Red
• Shield
• Starting/
• System
• Vcta
• Vta
• Vta2
• Vv1+
• Vv1-
• Vvl+
• Vvl-
• Vvr+
• Vvr-

2.5L, Engine Performance Wiring Diagram (11 of 11) for Lexus IS 250 F Sport 2014

List of elements for 2.5L, Engine Performance Wiring Diagram (11 of 11) for Lexus IS 250 F Sport 2014:

• (left cylinder head) left cam timing oil control valve assembly (bank 2 exhaust side)
• (left rear of engine) cold start fuel injector assembly
• (left top of engine)
• (rear of engine) (intake air surge tank assembly) intake air control valve actuator
• (right top of engine)
• A1a+
• A1a-
• A2a+
• A2a-
• E05
• Engine control module (ecm) (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• F75
• Fa (left rear of engine)
• Fa1
• Fb (right rear of engine comp)
• Fb (right rear of engine compt)
• Fpd
• Fpf1
• Gnd
• Hot w/ ig2 relay energized
• Ia1+
• Ia1-
• Ig2 fuse 10a
• Igf1
• Igf2
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Junction connector 5 (left side of engine compt)
• Oe2+
• Oe2-
• Pnk
• Red
• Slt+
• Slt-
• Slu+
• Slu-
• Sta
• Stj
• Vv2+
• Vv2-
• Zf1
• Zf2