NAVIGATION – Lexus IS 250C 2012 – SYSTEM WIRING DIAGRAMS

NAVIGATION

Navigation Wiring Diagram (1 of 5) for Lexus IS 250C 2012

List of elements for Navigation Wiring Diagram (1 of 5) for Lexus IS 250C 2012:

88

• (or red)
• (under steering wheel) spiral cable
• +b1
• A/t
• A12
• Acc
• Acc fuse 7.5a
• Agnd
• Alo
• Aro
• Asgn
• Auxo
• Back
• Canh
• Canl
• Combination meter
• Computer data lines system
• D14
• D27
• D28
• Disp
• Display & navigation module display
• Ecu-ig rh fuse 10a
• Gnd1
• Gps antenna
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ill+
• Ill-
• Input circuit
• Instrument cluster system
• Interior lights system
• J/c j27 (left side of dash)
• J24
• J3 (under center console)
• J34
• J50
• J51
• Jq1
• Jq3
• L10
• Left cowl side j/b (left end of dash)
• Left steering pad switch
• M/t
• Macc
• Main body ecu
• Mi+
• Mi-
• Micro computer
• Min+
• Min-
• Mo+
• Mo-
• Mode
• Mssl
• Nca
• Off hook
• On hook
• Parking brake switch (below center console)
• Pkb
• Pnk
• Qm1
• Red
• Rev
• Right cowl side j/b (right end of dash)
• Right steering pad switch
• Seek+
• Seek-
• Sgnd
• Sldi
• Sldo
• Sns2
• Spd
• Steering pad switch assembly
• Stereo jack adapter assembly 1
• Sw1
• Sw2
• Swg
• Tv 1 fuse 10a
• Udo+
• Udo-
• Ujsg
• Upi
• Voice
• Vol+
• Vol-
• Wuo

Navigation Wiring Diagram (2 of 5) for Lexus IS 250C 2012

List of elements for Navigation Wiring Diagram (2 of 5) for Lexus IS 250C 2012:

51

• (or red)
• Acc
• Agnd
• Ali
• Amplifier microphone assembly
• Antenna
• Ari
• Asgn
• Auxi
• D22
• Gnd
• Hot at all times
• Ill+
• Ill-
• Interior lights system
• J110
• J3 (under center console)
• J99
• Jp1
• Jr1
• Map light assembly
• Mi+
• Mi-
• Mo+
• Mo-
• Multimedia interface ecu (if equipped) (lower right side of dash)
• Nca
• Ntsc
• Rad 3 fuse 10a
• Radio receiver assembly
• Red
• Right cowl side j/b (right end of dash)
• Sdars antenna
• Sld
• Sldi
• Txi+
• Txi-
• Udi+
• Udi-
• Uesg
• Ugd1
• Ulo+
• Upo
• Uro+
• Usd1
• W/ lexus enform
• W/ sdars
• W/o lexus enform
• Wui
• Wuo
• Mj1

Navigation Wiring Diagram (3 of 5) for Lexus IS 250C 2012

List of elements for Navigation Wiring Diagram (3 of 5) for Lexus IS 250C 2012:

45

• (right side of trunk) p3
• +b2
• 12 speakers
• 8 speakers
• Ap1
• Ctr+
• Ctr-
• Engine room r/b 1 (right rear of engine compt)
• Fl-
• Fr+
• Fr+ fl+
• Fr-
• Gnd
• Gnd2
• Hot at all times
• Instrument cluster system
• Mi+
• Mi-
• Mo+
• Mo-
• Nca
• P27
• P28
• P29
• P51
• Pnk
• Rad 1 fuse 30a
• Rad 2 fuse 30a
• Red
• Rl+
• Rl-
• Rr+
• Rr-
• Sldi
• Sldo
• Spd
• Stereo component amplifier (right side of trunk)
• Tmut
• Wf1+ fl+
• Wf2+
• Wfl+
• Wfl-
• Wfr+
• Wfr-
• Wui

Navigation Wiring Diagram (4 of 5) for Lexus IS 250C 2012

List of elements for Navigation Wiring Diagram (4 of 5) for Lexus IS 250C 2012:

22

• +tw
• -tw
• 12 speakers
• 8 speakers
• Front speaker assembly 4 (12 speakers)
• Jk1
• Jp2
• Left front speaker assembly 2 & 3 (front speaker assembly 3)
• Left rear speaker 2 assembly
• Left rear speaker assembly
• Lp2
• Mq2
• Nca
• Pnk
• Qp1
• Red
• Right front speaker assembly 2 & 3
• Right rear speaker 2 assembly
• Right rear speaker assembly
• Stereo component speaker assembly
• W/ lexus enform
• W/o lexus enform

Navigation Wiring Diagram (5 of 5) for Lexus IS 250C 2012

List of elements for Navigation Wiring Diagram (5 of 5) for Lexus IS 250C 2012:

63

• +b2
• Acc
• Acc1
• Agnd
• Ca+
• Cb+
• Cgnd
• Computer data lines system
• Cv+
• Cv-
• Dcm (telematics transceiver) (w/ lexus enform) j107 (right side of dash)
• Display & navigation module display
• Gnd
• Gnd1
• Ieee
• Ieee connector (hdd navigation system)
• J101
• J104
• J106
• J52
• J62
• J63
• Jp2
• Jq3
• Left front speaker assembly 1
• Lp2
• Mci+
• Mci-
• Mco+
• Mco-
• Mcvd
• Mq2
• Multimedia module navigation assembly (w/ dvd navigation system)
• Mute
• Nca
• Pnk
• Qp1
• Qh1
• Rear television camera assembly
• Red
• Right front speaker assembly 1
• Sgnd
• Spi+
• Spi-
• Spo+
• Spo-
• Tx2+
• Tx2-
• Txm+
• Txm-
• Usb
• Usbg
• Usbv
• Va-
• Val+
• Var+
• Vor+
• Vor-
• Vot+
• Vot-
• Vv+
• Vv-
• Z10

Rear Sonar Wiring Diagram for Lexus IS 250C 2012

List of elements for Rear Sonar Wiring Diagram for Lexus IS 250C 2012:

89

• (left end of dash) left cowl side j/b
• (under center console) j2
• 2.5l
• 3.5l
• A/t
• A10
• A12
• A30
• Ad1
• Ae1
• Aq1
• Backup lamp switch assembly (right side of trans- mission)
• Bkup
• Brake actuator assembly
• Ca1h
• Ca1l
• Canh
• Canl
• Cbz
• Clearance sonar ind
• Clearance warning buzzer (center of dash)
• Clearance warning ecu (left side of trunk)
• Combination meter assembly
• Computer data lines system
• Computer micro
• D12
• D13
• E49
• Ecu- ig rh fuse 10a
• Engine control module (left front of engine compt)
• Engine controls system
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Ig1d
• Ig2 or dome +b
• Input circuit
• J/c e2 & e49 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j70 (right side of dash)
• J1 (left kick panel)
• J12
• J21
• J23
• J34
• J4 (right kick panel)
• J75
• Ja3
• Jq1
• L10
• Left cowl side j/b (left end of dash)
• Left front ultrasonic sensor 1 (left front of vehicle)
• Left main body ecu
• Left rear ultrasonic sensor 1 (rear bumper)
• Left ultrasonic sensor 2 (rear bumper)
• Lh-ig 1 relay
• Lh-ig fuse 10a
• M/t
• Micro computer (sub)
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi information display
• Navigation circuit
• Ne+
• Ne-
• Network gateway ecu (right end of dash)
• Park/ neutral position switch assembly (on trans- mission)
• Parking brake switch (below center console)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Q1 (left "b" pillar)
• Red
• Rh-ig 1 relay
• Rh-ig fuse 7.5a
• Right cowl side j/b (right end of dash)
• Right front ultrasonic sensor 1 (right front of vehicle)
• Right main body ecu
• Right rear ultrasonic sensor 1 (rear bumper)
• Right ultrasonic sensor 2 (rear bumper)
• Sp1
• Sq1

Rear View Monitoring Wiring Diagram for Lexus IS 250C 2012

List of elements for Rear View Monitoring Wiring Diagram for Lexus IS 250C 2012:

91

• 2.5l
• 3.5l
• A/t
• A10
• A12
• A30
• A33
• Ae1
• Ap1
• Aq1
• Assembly (on transmission)
• Back
• Backup lamp switch assembly (right side of trans- mission)
• Bkup
• Brake actuator assembly
• Ca+
• Ca1h
• Ca1l
• Canh
• Canl
• Cb+
• Cgnd
• Circuit input
• Combination meter assembly
• Computer data lines system
• Computer micro
• Cv+
• Cv-
• D12
• D13
• Display & navigation module display
• Display multi information
• E49
• Engine control module (left front of engine compt)
• Engine controls system
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Ig1d
• J/c a33 & j80 (right kick panel)
• J/c e2 & e49 (left side of engine compt)
• J/c j27 (left side of dash)
• J/c j71 (right side of dash)
• J1 (left kick panel)
• J2 (under center console)
• J21
• J23
• J34
• J50
• J52
• J75
• J80
• Ja3
• Jq1
• Jq3
• L10
• Left cowl side j/b (left end of dash)
• Left main body ecu
• Lh-ig 1 relay
• Lh-ig fuse 10a
• M/t
• Micro computer (sub)
• Mpd1
• Mpd2
• Mpi1
• Mpi2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Navigation circuit
• Nca
• Ne+
• Ne-
• Network gateway ecu (right side of dash)
• P29
• Park/ neutral position switch p
• Parking brake switch (below center console)
• Pkb
• Pnk
• Power source control ecu (right side of dash)
• Qh2
• Rear television camera
• Red
• Rev
• Right cowl side j/b (right end of dash)
• Right main body ecu
• Sp1
• Spd
• Stereo component amplifier (right side of trunk)

Telematics Wiring Diagram for Lexus IS 250C 2012

List of elements for Telematics Wiring Diagram for Lexus IS 250C 2012:

86

• (left end of dash) left cowl side j/b
• (under center console) center air bag sensor assembly
• (w/ lexus enform)
• 12 speakers
• 8 speakers
• A10
• Acc
• Acc fuse 7.5a
• Amplifier microphone assembly
• Computer data lines system
• D12
• D27
• Dcm (telematics transceiver) (right side of dash)
• Display & navigation module display
• Engine room r/b 2 (left side of engine compt)
• Fr+
• Fr-
• Gps antenna
• Gsw
• Gsw3
• Hot at all times
• Hot in on or acc
• Hot in on or start
• Ig2
• Ign fuse 10a
• Ill+
• Ind1
• Ind2
• Instrument cluster system
• Interior lights system
• J/c j27 (left side of dash)
• J1 (left kick panel)
• J101
• J106
• J107
• J47
• J50
• J97
• Ja4
• Jp2
• Jr1
• Lp2
• Map light assembly
• Mci+
• Mci-
• Mco+
• Mco-
• Mcvd
• Mic+
• Mic-
• Min+
• Min-
• Mute
• Nca
• P28
• P29
• Pnk
• Radio receiver assembly
• Red
• Right cowl side j/b (right end of dash)
• Right front speaker assembly 2 & 3 (front speaker assembly 3)
• Sgnd
• Sig-
• Sig1
• Sil
• Sled
• Sns2
• Sos switch
• Spdp
• Spi+
• Spi-
• Spo+
• Spo-
• Stereo component amplifier (right side of trunk) p30
• Tel fuse 10a
• Telephone antenna
• Tmut
• Usb
• Usbg
• Usbv
• Vor+
• Vor-
• Vot+
• Vot-
• W/ navigation
• W/o navigation