COMPUTER DATA LINES – Lexus IS 350 2009 – SYSTEM WIRING DIAGRAMS

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus IS 350 2009

List of elements for Data Link Connector Wiring Diagram for Lexus IS 350 2009:

• 4wd control ecu (if equipped) (right kick panel)
• A10
• A14
• Air bag sensor assembly center (under center console)
• Bat
• Body ecu
• Canh
• Canl
• Combination meter
• D10
• D11
• D28
• Data link connector 3 (left side of dash)
• Dia
• E1 (left rear of engine compt)
• Engine control module (left front of engine compt)
• Free
• Gateway ecu (right end of dash)
• High/low bus circuit
• Hot at all times
• J/c a10 & e1 (e1: left side of engine compt)
• J/c j10 (left kick panel)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J/c j80 (right kick panel)
• J1 (left kick panel)
• J34
• J47
• J50
• J74
• J80
• L10
• Left cowl side j/b (left end of dash)
• Multi-display (w/ navigation)
• Obd fuse 7.5a
• Obd2
• Occupant classification ecu (under front passenger's seat)
• Opa
• Red
• Right cowl side j/b (right end of dash)
• Right front seat inner belt (under front passenger's seat)
• Sil
• Skid control ecu w/ actuator (left rear of engine compt)
• Tac
• W/ occupant classification system
• W/ power seat
• W/o power seat

High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 350 2009

List of elements for High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 350 2009:

• (right kick panel) j4
• A/c amplifier (center of dash)
• A20
• A24
• A29
• Acc
• Acc fuse 7.5a
• Batt
• Body ecu
• Ca1h
• Ca1l
• Canh
• Canl
• Clearance warning ecu (w/ parking assist) (left side of trunk)
• Combination meter
• D12
• D14
• D27
• Data link connector 3 (left side of dash)
• Ecu-ig rh fuse 10a
• Engine room r/b 1 (right rear of engine compt)
• Gateway ecu (right end of dash)
• Gnd
• Gtx+
• Gtx-
• Headlamp swivel ecu (left kick panel)
• Hot at all times
• Hot w/ acc relay energized
• Input circuit
• J/c a29 & j10 (left kick panel)
• J/c j27 (left side of dash)
• J/c j80 (right kick panel)
• J/c p24 & p25 (right side of trunk)
• J1 (left kick panel)
• J10
• J21
• J34
• J58
• J75
• Left cowl side j/b (left end of dash)
• Micro computer
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx-b fuse 10a
• Mpx1
• Mpx2
• P24
• P25
• Pnk
• Red
• Rh- ig 1 relay
• Right cowl side j/b (right end of dash)
• Sil
• Tire pressure warning ecu (center of dash)
• W/ adaptive front-lighting
• W/ tire pressure warning system
• W/o adaptive front-lighting
• W/o tire pressure warning system

High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 350 2009

List of elements for High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 350 2009:

• (on steering column) (if equipped) tilt & telescopic ecu
• (right front door) (w/ memory) right outer mirror control ecu
• (right side of dash) power source control ecu
• (right side of trunk) certification ecu
• (w/ memory) right front seat position control ecu & switch
• 4wd control ecu (if equipped) (right kick panel)
• A31
• Canh
• Canl
• Ig1d
• J/c j1, j2, j3, j4, j5, j6, j7, j8 & j9 (left kick panel)
• J/c j81, j82, j84 & j86 (right kick panel)
• J26
• J81
• J82
• J84
• J86
• L10
• Mpx1
• Mpx2
• Pnk
• Power steering ecu (right rear of engine compt)
• Power window master switch
• Red
• Windshield wiper switch assembly

High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 350 2009

List of elements for High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 350 2009:

• (left front door) (w/ memory) left outer mirror control ecu
• A30
• Air bag sensor assembly center (under center console)
• Atx+
• Atx-
• Body ecu
• Canh
• Canl
• D13
• D15
• Distance control ecu (w/ dynamic radar cruise control) (left side of dash)
• Engine control module (left front of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Front controller
• Integration control & panel assembly (w/o navigation)
• J/c q7 & u1 (under driver's seat)
• J47
• J51
• J63
• J65
• J66
• Left cowl side j/b (left end of dash)
• Left front seat position control ecu & switch (w/ memory)
• Lh-ig2 relay
• M10
• Mpx
• Mpx1
• Mpx2
• Multi- display
• Multi-media module navigation assembly
• Overhead j/b (front center of roof)
• P30
• Pnk
• Q59
• Radio receiver assembly
• Rain sensor (w/ auto wiper)
• Red
• Seat belt control ecu (w/ pre-collision system) (left side of trunk)
• Skid control ecu w/ actuator (left rear of engine compt)
• Sliding roof control ecu (if equipped) (center front of roof)
• Steering sensor (on steering column)
• Stereo component amplifier (right side of trunk)
• Tx+
• Tx-
• Tx2+
• Tx2-
• Tx3+
• Tx3-
• Tx4+
• Tx4-
• Txm+
• Txm-
• W/ navigation
• W/o navigation
• Yaw rate sensor (under center console)