ENGINE PERFORMANCE – Lexus IS 250 F Sport 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 F Sport 2012:

• (left center of front bumper fascia) ambient temperature sensor
• (left side of engine compt) engine room j/b 2
• (or pnk)
• +b1
• 2wd
• 4wd
• Accelerator position sensor (left side of dash)
• Accr
• Acmg
• Air conditioning system
• Ba2
• Batt
• C/opn relay
• Canh
• Canl
• Ccs
• Clsw
• Computer data lines system
• Cooling fans system
• Cruise control system
• Ctsw
• Efi 2 relay
• Efi fuse 25a
• Efi main relay
• Efii
• Efio
• Engine control module (left front of engine compt)
• Epa
• Epa2
• F/pmp fuse 25a
• Fan
• Fan2
• Fpr
• Heated oxygen sensor (bank 1 sensor 2) (right side exhaust system)
• Heated oxygen sensor (bank 2 sensor 2) (left side exhaust system)
• Hot at all times
• Ht1b
• Ht2b
• Id code box (center of dash)
• Igsw
• Imi
• Imo
• Irel
• Ja3
• Ksw
• Mpmp
• Mrel
• Nca
• O1b-
• O2b-
• Ox1b
• Ox2b
• Pnk
• Power source control ecu (right side of dash)
• Ppmp
• Qa1
• Red
• Sftd
• Sftu
• Sksw
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Stsw
• Tach
• Tam
• Usa
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp

2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250 F Sport 2012:

• (forward of left rear wheel) fuel suction pump & gauge assembly
• (left kick panel) j/c a29 & j10
• (left side of engine compt) engine room r/b 2
• (left side of engine compt) j/c a7 & a8
• (right side of engine compt) fuel pump resistor
• 2wd
• 4wd
• A2 (left rear of engine compt)
• A29
• Ae1
• Ba2
• Canister pressure sensor
• Canister pump assembly (usa) (rear of vehicle)
• Efi 2 fuse 10a
• Etcs fuse 10a
• F/pmp relay
• Hot at all times
• Hot w/ ig 2 relay energized
• Ig2 fuse 10a
• Instrument cluster system
• J/c a9 (left side of engine compt)
• J10
• Jq1
• Leak detection pump
• Nca
• Pnk
• Pump
• Q1 (left "b" pillar)
• Qa1
• Stop lamp switch (left side of dash)
• Valve vent
• Vvl+
• Vvl-
• Vvr+
• Vvr-
• Vvt sensor (bank 1 intake side) (right front of engine)
• Vvt sensor (bank 2 intake side) (front of left cylinder head)

2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250 F Sport 2012:

• (right end of dash) right cowl side j/b
• +bm
• A10
• A24
• A25
• Ae1
• Air conditioning system
• Camshaft timing oil control valve (right exhaust) (right cylinder head)
• Camshaft timing oil control valve (right intake) (right cylinder head)
• Crankshaft position sensor (left front of engine)
• D13
• E03
• E2 (right rear of engine)
• Engine control module (left front of engine compt)
• Gauge fuse 7.5a
• Ge01
• Hot at all times
• Hot w/ ig 2 relay energized
• Hot w/ rh-ig1 relay energized
• Ign fuse 10a
• Igt2
• Igt5
• Igt6
• J/c j70 (right side of dash)
• J2 (under center console)
• J4 (right kick panel)
• Ja3
• Lck1
• Me01
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oe1+
• Oe1-
• Pnk
• Prg
• Red
• Rh-ig fuse 7.5a
• Sftd
• Sftu
• Stj1
• Stop sw fuse 7.5a
• Transmission control switch
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250 F Sport 2012:

• (a/t)
• (left side of dash) j/c j27
• (m/t)
• A/t
• A10
• Ae1
• Body ecu (right end of dash)
• Combination meter
• Computer data lines system
• Cruise control system
• Dome fuse 10a
• E1 (left rear of engine)
• Ect power ind
• Ect snow ind
• Efi
• Electronically controlled transmission pattern select switch
• Engine oil level sensor (bottom of engine)
• Engine room r/b 1 (right rear of engine compt)
• Etcs snow ind
• Etcs snow switch
• Hot at all times
• Ig+
• Ig2 or dome +b
• Input circuit
• Interior lights system
• J/c a10 & e1 (left side of engine compt)
• J/c j10 & a29 (left kick panel)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J10
• J21
• J34
• J35
• J75
• Lamp indicator malfunction
• Left cowl side j/b (left end of dash)
• M/t
• Master ind
• Micro computer
• Micro computer (sub)
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• Multi information display
• Nca
• Pnk
• Pwr
• Red
• Right cowl side j/b (right end of dash)
• Snow
• Snow etcs
• Speedometer
• Tachometer

2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250 F Sport 2012:

• (rear of engine) engine coolant temperature sensor
• A/f fuse 15a
• A/f relay
• Ae1
• E2 (right rear of engine)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Gnd
• Hot at all times
• Igf1
• Igf2
• Ignition coil 1 (top of engine)
• Ignition coil 2 (top of engine)
• Ignition coil 3 (top of engine)
• Ignition coil 4 (top of engine)
• Ignition coil 5 (top of engine)
• Ignition coil 6 (top of engine)
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Inj fuse 20a
• Inj relay
• Nca
• Pnk
• Red
• Throttle body assembly
• Ze1
• Ze2

2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 F Sport 2012:

• (front of engine compt) injector driver (edu)
• (front of engine) h1
• (front of engine) i1
• (fuel injectors 1, 3 & 5: right side of engine) (fuel injectors 2, 4 & 6: left side of engine) fuel injectors (direct injection)
• (right rear of engine compt) spill control valve
• +b2
• A1a+
• A1a-
• A2a+
• A2a-
• Air fuel ratio sensor (bank 1 sensor 1) (right rear of engine)
• Air fuel ratio sensor (bank 2 sensor 1) (left rear of engine)
• E26
• E58
• Eg1
• Fp+
• Fp-
• Fpd
• Fpf1
• Fuel pressure sensor (rear of engine)
• Ha1a
• Ha2a
• Ij1+
• Ij1-
• Ij2+
• Ij2-
• Ij3+
• Ij3-
• Ij4+
• Ij4-
• Ij5+
• Ij5-
• Ij6+
• Ij6-
• Injf
• Knock control sensor 1 (top right side of engine)
• Knock control sensor 2 (top left side of engine)
• Nca
• Pnk
• Red
• Swirl control valve actuator (rear of engine)

2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250 F Sport 2012:

• (left rear of engine) cold start fuel injector
• (on transmission) park/neutral position switch
• A1a+
• A1a-
• A2a+
• A2a-
• Ae1
• E1 (left rear of engine)
• E2 (right rear of engine)
• E2x
• Engine control module (left front of engine compt)
• Eo4
• Eo5
• Ev2+
• Ev2-
• Ex+
• Ex-
• Fpd
• Fpf1
• Ha1a
• Ha2a
• Hot w/ lh-ig1 relay energized
• Ia1+
• Ia1-
• Iac1
• Injf
• Left cowl side j/b (left end of dash)
• Lh-ig fuse 10a
• Pnk
• Red
• Swirl control valve sensor (rear of engine)
• Vc2
• Vcx
• Vsx
• Vvt sensor (bank 2 exhaust side) (left rear of engine)

2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250 F Sport 2012

List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250 F Sport 2012:

• (left cylinder head) camshaft timing oil control valve (left exhaust)
• (left cylinder head) camshaft timing oil control valve (left intake)
• (left side of engine compt) j/c e49
• (left side of engine) vsv (acis)
• (rear of engine) vsv (purge)
• (right rear of engine) vvt sensor (bank 1 exhaust side)
• (right side of engine compt) mass air flow meter
• Acis
• Alt
• E01
• E02
• E2g
• E47
• Ekn2
• Eknk
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (left front of engine compt)
• Engine oil pressure switch (front of engine)
• Eoil
• Ev1+
• Ev1-
• Ex+
• Ex-
• Igf1
• Igf2
• Igt1
• Igt3
• Igt4
• Knk1
• Knk2
• Mol
• Mops
• Nt+
• Nt-
• Oc2+
• Oc2-
• Oe2+
• Oe2-
• Oil
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Star
• Starting/ charging system
• Tha
• Thw
• Transmission revolution sensor (counter gear) (rear of transmission)
• Transmission revolution sensor (turbine) (front of transmission)
• Vc2
• Ze1