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TRANSMISSION – Lexus IS 250 2008 – SYSTEM WIRING DIAGRAMS

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TRANSMISSION

4WD Wiring Diagram for Lexus IS 250 2008

4WD Wiring Diagram for Lexus IS 250 2008

List of elements for 4WD Wiring Diagram for Lexus IS 250 2008:

53
  • (at right end of dash) right cowl panel j/b
  • (right kick panel) j4
  • 4wd control ecu (right kick panel)
  • A10
  • A24
  • A25
  • A33
  • Canh
  • Canl
  • Circuit
  • Combination meter
  • Computer data lines system
  • D14
  • Dome+b
  • E54
  • Ecu-ig rh fuse 10a
  • Electronically controlled transmission solenoid (in transmission)
  • Engine room 1 r/b (right rear of engine compt)
  • Flo
  • Free
  • Fro
  • Gauge fuse 7.5a
  • Gnd
  • Hot at all times
  • Hot w/ ig2 relay energized
  • Ig+
  • Ig1
  • Ig1d
  • Ind master
  • Ind slip
  • Input circuit
  • J/c a33 & j80 (at right kick panel)
  • J/c j27 (behind left side of dash)
  • J34
  • J4 (right kick panel)
  • J4 right kick panel)
  • J80
  • Micro computer
  • Mpx+
  • Mpx-
  • Mpx-b fuse 10a
  • Pnk
  • Power source control ecu (behind right side of dash)
  • Red
  • Right cowl side j/b (at right end of dash)
  • Right ig1 relay
  • Rlo
  • Rro
  • Skid control ecu w/ actuator (left rear of engine compt)
  • Slc+
  • Slc-
  • Sp1
  • Speedometer

A/T Wiring Diagram (1 of 3) for Lexus IS 250 2008

AT Wiring Diagram (1 of 3) for Lexus IS 250 2008

List of elements for A/T Wiring Diagram (1 of 3) for Lexus IS 250 2008:

60
  • +b1
  • A2 (left rear of engine compt)
  • A24
  • A25
  • Accelerator position sensor (under left side of dash)
  • Batt
  • Canh
  • Canl
  • Computer data lines system
  • D12
  • D13
  • E1 (left rear of engine)
  • Efi 2 fuse 10a
  • Efi fuse 25a
  • Efi main relay
  • Engine control module (on left front of engine compartment, in protective case)
  • Engine room j/b 2 (left side of engine compt)
  • Engine room r/b 2 (left side of engine compt)
  • Epa
  • Epa2
  • Etcs fuse 25a
  • Gauge fuse 7.5a
  • Hot at all times
  • Hot w/ ig2 relay energized
  • Ig1d
  • Ign fuse 10a
  • J/c a10 & e1 (left side of engine compt)
  • J/c a7 & a8
  • J/c a9 (left side of engine compt)
  • J/c j27 (behind left side of dash)
  • J/c j70 (behind right side of dash)
  • J24
  • J4 (right kick panel)
  • Left paddle shift switch
  • Mrel
  • Paddle shift switch
  • Pnk
  • Power source control ecu (behind right side of dash)
  • Red
  • Rh ig fuse 7.5a
  • Rh ig1 relay
  • Right cowl side j/b (at right end of dash)
  • Sftd
  • Sftu
  • Shift switch right paddle
  • Spd
  • Spiral cable
  • St1-
  • Sta
  • Starting/charging system
  • Steering pad switch
  • Stop lamp switch (above brake pedal, on bracket)
  • Stop sw fuse 7.5a
  • Stp
  • Tach
  • Transmission control switch
  • Vcp2
  • Vcpa
  • Vpa
  • Vpa2

A/T Wiring Diagram (2 of 3) for Lexus IS 250 2008

AT Wiring Diagram (2 of 3) for Lexus IS 250 2008

List of elements for A/T Wiring Diagram (2 of 3) for Lexus IS 250 2008:

56
  • (at right end of dash) gateway ecu
  • (left rear of engine compartment) skid control ecu w/ actuator
  • (left side of engine compt) j/c e49
  • (on left front of engine compartment, in protective case) engine control module
  • +bm
  • A10
  • A29
  • A33
  • Ca1h
  • Ca1l
  • Canh
  • Canl
  • Combination meter
  • Computer data lines system
  • E01
  • E02
  • E03
  • E1 (left rear of engine)
  • E2 (right rear of engine)
  • E2g
  • Engine room 1 r/b (right rear of engine compt)
  • Ge01
  • Hot at all times
  • Ig+
  • Input circuit
  • J/c a10 & e1 (left side of engine compt)
  • J/c a29 & j10 (at left kick panel)
  • J/c a33 & j80 (at right kick panel)
  • J10
  • J4 (right kick panel)
  • J80
  • Mass air flow meter (right side of engine compt)
  • Me01
  • Micro computer
  • Mpd1
  • Mpd2
  • Mpi1
  • Mpi2
  • Mpx+
  • Mpx-
  • Mpx-b fuse 10a
  • Nca
  • Pnk
  • Pwr ind ect
  • Red
  • Right cowl side j/b (at right end of dash)
  • Snow ind ect
  • Sp1
  • Speedometer
  • Tachometer
  • Tha
  • Throttle body assembly
  • Thw
  • Vc2
  • Vta1
  • Vta2

A/T Wiring Diagram (3 of 3) for Lexus IS 250 2008

AT Wiring Diagram (3 of 3) for Lexus IS 250 2008

List of elements for A/T Wiring Diagram (3 of 3) for Lexus IS 250 2008:

45
  • (at rear of engine) engine coolant temperature sensor
  • (left rear 0f engine) e1
  • (left side 0f engine compartment) j/c e1
  • Body ecu
  • Computer data lines system
  • D13
  • E47
  • Electronically controlled transmission pattern select switch
  • Electronically controlled transmission solenoid (on transmission)
  • Engine control module (on left front of engine compartment, in protective case)
  • Eoil
  • Hot at all times
  • J/c j70 (behind right side of dash)
  • J1 (left kick panel)
  • J21
  • J75
  • Left cowl side j/b (at left end of dash)
  • Left ig1 relay
  • Lh-ig fuse 10a
  • Mpx1
  • Mpx2
  • Nt+
  • Nt-
  • Oil
  • Park/neutral position switch (on transmission)
  • Pnk
  • Pwr
  • Red
  • Right cowl side j/b (at right end of dash)
  • Sl1+
  • Sl1+ red
  • Sl1-
  • Sl2+
  • Sl2-
  • Slt+
  • Slt-
  • Slu+
  • Slu-
  • Snow
  • Sp2+
  • Sp2-
  • Star
  • Starting/charging system
  • Transmission revolution sensor (counter gear) (at rear of transmission)
  • Transmission revolution sensor (turbine) (at front of transmission)

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