ENGINE PERFORMANCE – Lexus IS 250 2011 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250 2011:

• (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 2011

List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250 2011:

• (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