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Computer Data Lines — Lexus IS 250 2011 Wiring Diagram

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Lexus IS 250 2011

List of elements for Data Link Connector Wiring Diagram for Lexus IS 250 2011:

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
Data link connector 3 (left side of dash)
Dcm (telematics transceiver) (w/ lexus enform or safety connect) (right side of dash)
Dia
Display & navigation module display (if equipped)
E1 (left rear of engine)
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 (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)
J100
J34
J47
J74
J80
Ja3
Ja4
Jp2
L10
Left cowl side j/b (left end of dash)
Obd fuse 7.5a
Obd2
Occupant classification ecu (under front passenger's seat)
Opa
Pt2
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 250 2011

List of elements for High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 250 2011:

(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
D15
Data link connector (dlc) 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-
Hot at all times
Hot w/ acc relay energized
Input circuit
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
Ja3
Ja4
Jq1
Left cowl side j/b (left end of dash)
Left rear power window regulator motor (left rear door)
Lin
Lin1
Lp1
Lp2
Micro computer
Mpd1
Mpd2
Mpi1
Mpi2
Mpx+
Mpx-
Mpx-b fuse 10a
Mpx1
Mpx2
Mq1
Np1
Oq1
P24
P25
Pnk
Power window master switch
Red
Rh- ig1 relay
Right cowl side j/b (right end of dash)
Right front power window regulator motor (front passenger's door)
Right rear power window regulator motor (right rear door)
Sil
Tire pressure warning ecu (center of dash)
W/ tire pressure warning system
W/o tire pressure warning system

High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250 2011

List of elements for High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250 2011:

(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
4wd control ecu (if equipped) (right kick panel)
A31
Canh
Canl
Display & navigation module display (if equipped)
Ig1d
J/c j1, j2, j4, j5, j6, j7, & j8 (left kick panel)
J/c j81, j82, j84, j116 & j86 (right kick panel)
J100
J116
J26
J81
J82
J84
J86
Ja4
L10
Mpx1
Mpx2
Mq2
Pnk
Power steering ecu (right rear of engine compt)
Power window master switch
Pq2
Red
Windshield wiper switch assembly

High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250 2011

List of elements for High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250 2011:

(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
Display & navigation module display
Engine control module (left front of engine compt)
Engine room j/b 2 (left side of engine compt)
Front controller
Integration control & panel assembly
J/c q7 & u1 (under driver's seat)
J102
J104
J108
J111
J112
J113
J47
J65
J66
Ja3
Jp1
Jr2
Left cowl side j/b (left end of dash)
Left front seat position control ecu & switch (w/ memory) (under driver's seat)
Lh-ig2 relay
M10
Mpx
Mpx1
Mpx2
Mq1
Multi-media display interface ecu (lower right side of dash)
Overhead j/b (front center of roof)
P30
Pnk
Radio receiver assembly
Rain sensor (w/ auto wiper) (front center of roof at windshield)
Red
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 (w/o navigation) (right side of trunk)
Tx+
Tx-
Tx1+
Tx1-
Tx2+
Tx2-
Txm+
Txm-
W/ navigation
W/o navigation
Yaw rate sensor (under center console)

COMPUTER DATA LINES – Lexus IS 250 2011 – SYSTEM WIRING DIAGRAMS