TRANSMISSION — Lexus IS 250 2012 — SYSTEM WIRING DIAGRAMS

TRANSMISSION

4WD Wiring Diagram for Lexus IS 250 2012

List of elements for 4WD Wiring Diagram for Lexus IS 250 2012:

49

• (right end of dash) right cowl side j/b
• (right kick panel) j/c a33 & j80
• (right kick panel) j4
• 4wd control ecu (right kick panel)
• A10
• A24
• A25
• A33
• Ae1
• Canh
• Canl
• Combination meter
• Computer data lines system
• D14
• Dome+b
• E54
• Ecu-ig rh fuse 10a
• Electronically controlled transmission solenoid (on transmission)
• Engine room r/b 1 (right rear of engine compt)
• Free
• Gauge fuse 7.5a
• Gnd
• Hot at all times
• Hot w/ ig 2 relay energized
• Ig+
• Ig1
• Ig1d
• Input circuit
• J/c j27 (left side of dash)
• J34
• J4 (right kick panel)
• J80
• Ja3
• Master ind
• Micro computer
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh- ig1 relay
• Right cowl side j/b (right end of dash)
• Skid control ecu w/ actuator (left rear of engine compt)
• Slc+
• Slc-
• Slip ind
• Sp1
• Speedometer

A/T Wiring Diagram (1 of 3) for Lexus IS 250 2012

List of elements for A/T Wiring Diagram (1 of 3) for Lexus IS 250 2012:

64

• (left side of engine compt)
• +b1
• A10
• A2 (left rear of engine compt)
• A24
• A25
• Accelerator position sensor (left side of dash)
• Ae1
• 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 (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 pnk
• Epa
• Epa2
• Etcs fuse 10a
• Gauge fuse 7.5a
• Hot at all times
• Hot w/ ig 2 relay energized
• Ig1d
• Ign fuse 10a
• J/c a10 & e1 (left side of engine compt)
• J/c a7 & a8 (left side of engine compt)
• J/c a9 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J24
• J4 (right kick panel)
• Ja3
• Left paddle shift switch
• Mrel
• Paddle shift switch
• Pnk
• Power source control ecu (right side of dash)
• Red
• Rh ig fuse 7.5a
• Rh ig1 relay
• Right cowl side j/b (right end of dash)
• Sftd
• Sftu
• Shift switch right paddle
• Spd
• Spiral cable (under steering wheel)
• St1-
• Sta
• Starting/charging system
• Steering pad switch
• Stop lamp switch (left side of dash)
• 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 2012

List of elements for A/T Wiring Diagram (2 of 3) for Lexus IS 250 2012:

60

• (left front of engine compt) engine control module
• (left rear of engine compt) skid control ecu w/ actuator
• (left side of engine compt) j/c e49
• (right end of dash) gateway ecu
• +bm
• A10
• A29
• A33
• Ae1
• 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 r/b 1 (right rear of engine compt)
• Ge01
• Hot at all times
• Ig 2 or dome +b
• Ig+
• Input circuit
• J/c a10 & e1 (left side of engine compt)
• J/c a29 & j10 (left kick panel)
• J/c a33 & j80 (right kick panel)
• J10
• J34
• J4 (right kick panel)
• J80
• Ja3
• 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 (right end of dash)
• Snow ind ect
• Sp1
• Speedometer
• Tachometer p
• Tha
• Throttle body assembly
• Thw
• Vc2
• Vta1
• Vta2

A/T Wiring Diagram (3 of 3) for Lexus IS 250 2012

List of elements for A/T Wiring Diagram (3 of 3) for Lexus IS 250 2012:

51

• (left rear of engine) e1
• (left side of engine compt) j/c e1
• (rear of engine) engine coolant temperature sensor
• 4wd circuit
• A30
• Ae1
• Body ecu
• Computer data lines system
• D13
• E47
• E54
• Electronically controlled transmission pattern select switch
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (left front of engine compt)
• Eoil
• Hot at all times
• Interior lights system
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J75
• Left cowl side j/b (left end of dash)
• Lh 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 (right end of dash)
• Sl1+
• Sl1+ red
• Sl1-
• Sl2+
• Sl2-
• Slc red
• Slt+
• Slt-
• Slu+
• Slu-
• Snow
• Sp2+
• Sp2-
• Star
• Starting/ charging system
• Starting/charging system
• Transmission revolution sensor (counter gear) (rear of transmission)
• Transmission revolution sensor (turbine) (front of transmission)