ENGINE PERFORMANCE – Lexus IS 300 SportCross 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 6) for Lexus IS 300 SportCross 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 6) for Lexus IS 300 SportCross 2004:

• (near ecm) j/c 3
• (w/a/t)
• (w/m/t)
• +b2
• +bm
• A/c system
• Accel position sensor (on center rear of engine, on throttle body)
• Acmg
• Anti-theft system
• Batt
• Ccs
• Circuit opening relay
• Clsw
• Code
• Computer data lines system
• Cruise control system
• Data link connector 3 (behind lower left side of dash)
• Ec (at left fender apron)
• Efi fuse 25a
• Efi relay
• Eng+
• Eng-
• Engine control module (ecm) (on left front of engine compt, in protective case)
• Engine room r/b 1 (on right rear of engine compt)
• Engine room r/b 2 (on right rear of engine compt)
• Eom
• Etcs fuse 15a
• F/ps
• Fpr
• Gnd
• Hot at all times
• Ht1b
• Ht2b
• Igsw
• Ih (at right side of firewall)
• Imld
• J/c 1, j/c 2 (near ecm)
• J/c 3 (near ecm)
• J/c 5 (behind left end of dash)
• Ksw
• Mpx1
• Mpx2
• Mrel
• Neo
• Ox1b
• Ox2b
• Passenger side j/b (behind lower right end of dash)
• Pnk
• Ptnk
• Rxck
• S16
• S17
• Sftd
• Sftu
• Sil
• Skid control ecu (behind left end of dash)
• Spd
• St1-
• Sta
• Starting/charging system
• Stp
• Tach
• Tbp
• Transponder key amplifier (on steering column, near ignition switch)
• Trc+
• Trc-
• Txct
• Vapor pressure sensor (under center rear of vehicle)
• Vcc
• Vpa
• Vpa2
• Wfse

3.0L, Engine Performance Wiring Diagram (2 of 6) for Lexus IS 300 SportCross 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 6) for Lexus IS 300 SportCross 2004:

• (behind lower left end of dash) driver side j/b
• (on left side of engine compt) fuel pump resistor
• (under left side of vehicle) fuel pump & sender
• A/c control assembly
• A/t shift main switch (integral to combination switch)
• A12
• B11
• E4 (engine harn, left front of engine compt)
• Ea (front side of intake manifold)
• Ecc
• Electronically controlled transmission pattern select switch
• Engine room r/b 3 (on left side of engine compt)
• Fuel pmp relay
• H13
• Ign fuse 7.5a
• Ih (at right side of fire- wall)
• J/c 15 (on left side of luggage compt)
• J/c 7 (behind upper right side of dash)
• Mpx-
• Passenger side j/b (behind lower right end of dash)
• Pnk
• Pwr
• Sftd
• Sftu
• Snow
• Vsv (acis) (on left side of engine)
• Vsv (canister closed valve) (on right front of engine)
• Vsv (pressure switching valve) (under center rear of engine)

3.0L, Engine Performance Wiring Diagram (3 of 6) for Lexus IS 300 SportCross 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 6) for Lexus IS 300 SportCross 2004:

• (above brake pedal, on bracket) stoplight switch
• (behind left side of dash) j/c 6
• (behind lower left end of dash) driver side j/b
• (engine harn, top left side of engine) e10
• Acc
• Acis
• Ccv
• Driver side j/b (behind lower left end of dash)
• E01
• E02
• Ea (front side of intake manifold)
• Eb (center side of intake manifold)
• Engine control module (ecm) (on left front of engine compt, in protective case)
• Engine coolant temperature sensor (on left front of engine)
• Evg
• Gauge fuse 10a
• Gnd
• Hot at all times
• Hot in on or start
• Ht2a
• Igf
• Ignition switch
• Igt
• J/c 5 (behind left end of dash)
• Lock
• Mass airflow meter (on right side of engine compt, behind air box)
• Me01
• Ox2a
• Pnk
• Power steering oil pressure sensor (on left front of engine)
• Psp
• Red
• Start
• Stop fuse 15a
• Tha
• Thw
• Unlock warning switch
• Vout

3.0L, Engine Performance Wiring Diagram (4 of 6) for Lexus IS 300 SportCross 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 6) for Lexus IS 300 SportCross 2004:

• (behind lower right end of dash) passenger side j/b
• (engine harn, top left side of engine) e6
• (on left side of engine compt, on strut tower) igniter
• (on left side of engine) noise filter (ignition)
• A (or d)
• Braided
• Combination meter
• E5 (engine harn, top left side of engine)
• E7 (engine harn, top left side of engine)
• Ea (front side of intake manifold)
• Fuel injector
• Gnd
• Heated oxygen sensor (bank 1 sensor 1) (on right side of engine, on exhaust system)
• Heated oxygen sensor (bank 1 sensor 2) (on right side of engine, on exhaust system)
• Heated oxygen sensor (bank 2 sensor 1) (on right side of engine, on exhaust system)
• Heated oxygen sensor (bank 2 sensor 2) (on right side of engine, on exhaust system)
• Igf
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• In1
• In2
• In3
• J/c 16 (above right rear fenderwell)
• Mil
• Pnk
• Red
• Speedometer
• Tachometer

3.0L, Engine Performance Wiring Diagram (5 of 6) for Lexus IS 300 SportCross 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (5 of 6) for Lexus IS 300 SportCross 2004:

• (near ecm) j/c 1, j/c 2
• A/t indicator light switch (integral to park/neutral position switch) (on right side of trans)
• Braided
• D n
• Ec (at left fender apron)
• Electronically controlled transmission solenoid (on left side of transmission)
• Engine oil level sensor (on lower left front of engine)
• Level
• Mt3
• O/d direct clutch speed sensor (on left side of trans)
• Red
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Temp
• Transmission control switch (d-4) (integral to shift lock control ecu) nssd
• Transmission control switch (l-2)

3.0L, Engine Performance Wiring Diagram (6 of 6) for Lexus IS 300 SportCross 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (6 of 6) for Lexus IS 300 SportCross 2004:

• (engine harn, top left side of engine)
• (front side of intake manifold) ea
• (near ecm) j/c 1, j/c 2
• (near ecm) j/c 4
• Braided
• Camshaft position sensor (on left rear of cyl head)
• Camshaft timing oil control valve (on left front of cyl head)
• Cl+
• Cl-
• Cooling fans system
• Crankshaft position sensor (on right side of engine)
• E03
• E11
• Eb (center side of intake manifold)
• Engine control module (ecm) (on left front of engine compt, in protective case)
• Engine oil pressure switch (on left front of engine)
• Fan
• Ge01
• Ht1a
• Igt2
• Igt3
• Knk1
• Knk2
• Knock sensor 1 (on left front of engine block)
• Knock sensor 2 (on left rear of engine block)
• Mol
• Mops
• Nco+
• Nco-
• Ne-
• Ocv+
• Ocv-
• Oil
• Ox1a
• Prg
• Red
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Throttle control motor (on throttle body)
• Throttle position sensor (on throttle body)
• Vehicle speed sensor (on left rear of trans)
• Vsv (evap) (on top rear of engine)
• Vta
• Vta2