NAVIGATION – Lexus GX 470 2004 – SYSTEM WIRING DIAGRAMS

NAVIGATION

Mayday Wiring Diagram (1 of 2) for Lexus GX 470 2004

List of elements for Mayday Wiring Diagram (1 of 2) for Lexus GX 470 2004:

• Antenna
• Back-up battery
• Bus buffer computer
• Engine room r/b (on left side of engine compt)
• Hot at all times
• J/c
• Mayday ecu
• Mayday ecu (on left side of cargo area)
• Mayday fuse 7.5a
• Nca
• Pnk
• Red
• Transceiver

Mayday Wiring Diagram (2 of 2) for Lexus GX 470 2004

List of elements for Mayday Wiring Diagram (2 of 2) for Lexus GX 470 2004:

• (behind left center of dash) ij
• (center of dash) (w/o navigation system) a/c control assembly
• (left side of dash) j/c 14
• (on left side of engine compt) engine room r/b
• A13
• Acc cut relay
• Acc fuse 7.5a
• Air bag sensor assembly (bellow center of dash)
• Driver side j/b (behind lower left end of dash)
• Gauge fuse 7.5a
• Gnd
• Hot in acc or on
• Hot in on or start
• Ih (behind left end of dash)
• Ij (behind left center of dash)
• Ind1
• Ind2
• J/b 1 (behind center of dash)
• J/c 11 (left end of dash)
• J/c 12 (left end of dash)
• J/c 14 (left side of dash)
• J/c 19 (right side of dash)
• J/c 27 (passenger's floor pan)
• Left rear door speaker
• Macc
• Mi1+
• Mic+
• Mic-
• Mpx2 a28
• Navigation ecu under passenger's seat)
• Nca
• Overhead j/b (above headliner, at center of windshield header)
• Red
• Rl+
• Rl-
• S15
• S16
• Sgnd
• Sig
• Stereo component amplifier (under driver's seat)
• Tel in
• Tmut

Navigation Wiring Diagram, with Rear Entertainment (1 of 2) for Lexus GX 470 2004

List of elements for Navigation Wiring Diagram, with Rear Entertainment (1 of 2) for Lexus GX 470 2004:

• (behind center of dash) gateway ecu
• (behind center of dash) j/b 1
• (right side of dash) j/c 22
• A/c ecu (behind right side of dash)
• A15
• A20
• Acc
• Acc cut relay
• Acc fuse 7.5a
• Aui+
• Aui-
• Auo+
• Auo-
• Batt
• C10
• C11
• Combination meter
• Diode (back-up light) (behind right side of dash)
• Driver side j/b (behind lower left end of dash)
• Ecu-b fuse 10a
• Ecu-ig fuse 10a
• Engine room r/b (on left front of engine compt)
• Engine room r/b (on left side of engine compt)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Hot in acc or on
• Hot in on or start
• I6 (in dash harness, behind center of dash)
• Ig1 2 fuse 10a
• Ih (behind left end of dash)
• Ij (behind left center of dash) j/c 14 (left side of dash)
• Ik (behind center of dash)
• J/b 1 (behind center of dash)
• J/b 2 (behind center of dash)
• J/c 11 (left end of dash)
• J/c 15 (right side of dash)
• J/c 19 (right side of dash)
• J/c 27 (passenger's floor pan)
• J28
• Macc
• Mayday ecu (on left side of cargo area)
• Mi1+
• Mic+
• Mic-
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mute
• Navigation ecu (under passenger's seat)
• Nca
• Overhead j/b (above headliner, at center of windshield header)
• Park/ neutral position switch (on right side of transmission)
• Pnk
• Radio 1 fuse 20a
• Red
• Rev
• Sgnd
• Snse
• Sound systems
• Spd
• Sync
• Tx+
• Tx-
• W/ mayday system
• W/o mayday system

Navigation Wiring Diagram, with Rear Entertainment (2 of 2) for Lexus GX 470 2004

List of elements for Navigation Wiring Diagram, with Rear Entertainment (2 of 2) for Lexus GX 470 2004:

• (in dash harness, behind center of dash)
• (right rear cargo area) b10
• +b1
• A11
• Acc
• B10
• Back door courtesy switch (at left rear of vehicle, below taillight)
• Bcty
• Br (at right rear of vehicle, below taillight)
• Cb+
• Cgnd
• Computer data lines system
• Cv+
• Cv-
• Driver side j/b (behind lower left end of dash)
• Engine room r/b (on left side of engine compt)
• Gnd1
• Hot at all times
• Ij (behind left center of dash)
• Ik (behind center of dash)
• J/b 3 (behind right side of dash)
• J/c 14 (left side of dash)
• J/c 16 (right side of dash)
• J/c 20 (right side of dash)
• J/c 33 (right rear of cargo area)
• K11
• M14
• Multi-display
• Navi
• Nca
• Nts1
• Ntsc
• Parking brake switch (at base of brake lever assembly)
• Pkb
• Pnk
• Radio 2 fuse 30a
• Rear seat entertainment ecu (at right kick panel)
• Red
• Rev
• Sg3
• Sgd1
• Slda
• Sound systems
• Spd
• Syn1
• Sync
• Sync1
• T18
• T19
• T20
• Television camera (at rear of vehicle)
• Television camera ecu (late production) (left kick panel)
• Tx+
• Tx-
• Tx1+
• Tx1-
• Tx3+
• Tx3-
• Vg1
• Vr1
• W/ parking assist
• W/0 parking assist
• W/o parking assist

Navigation Wiring Diagram, without Rear Entertainment (1 of 3) for Lexus GX 470 2004

List of elements for Navigation Wiring Diagram, without Rear Entertainment (1 of 3) for Lexus GX 470 2004:

• (behind center of dash) gateway ecu
• (behind center of dash) j/b 1
• (right side of dash) j/c 22
• A/c ecu (behind right side of dash)
• A15
• A20
• Acc
• Acc cut relay
• Acc fuse 7.5a
• Aui+
• Aui-
• Auo+
• Auo-
• Batt
• C10
• C11
• Combination meter
• Diode (back-up light) (behind right side of dash)
• Driver side j/b (behind lower left end of dash)
• Ecu-b fuse 10a
• Ecu-ig fuse 10a
• Engine room r/b (on left side of engine compt)
• Gnd
• Gtx+
• Gtx-
• Hot at all times
• Hot in on or acc
• Hot in on or start
• I6 (in dash harness, behind center of dash)
• Ig1 2 fuse 10a
• Ih (behind left end of dash)
• Ij (behind left center of dash) j/c 14 (left side of dash)
• Ik (behind center of dash)
• J/b 1 (behind center of dash)
• J/b 2 (behind center of dash)
• J/c 11 (left end of dash)
• J/c 15 (right side of dash)
• J/c 19 (right side of dash)
• J/c 27 (passenger's floor pan)
• J28
• Macc
• Mayday ecu (on left side of cargo area)
• Mi1+
• Mic+
• Mic-
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mute
• Navigation ecu (under passenger's seat)
• Nca
• Overhead j/b (above headliner, at center of windshield header)
• Park/ neutral position switch (on right side of transmission)
• Pnk
• Radio 1 fuse 20a
• Red
• Rev
• Sgnd
• Snse
• Sound systems
• Spd
• Sync
• Tx+
• Tx-
• W/ mayday system
• W/ parking assist
• W/o mayday system
• W/o parking assist

Navigation Wiring Diagram, without Rear Entertainment (2 of 3) for Lexus GX 470 2004

List of elements for Navigation Wiring Diagram, without Rear Entertainment (2 of 3) for Lexus GX 470 2004:

• (at base of brake lever assembly) parking brake switch
• (behind center of dash) ik
• +b1
• A11
• Acc
• Computer data lines system
• Driver side j/b (behind lower left end of dash)
• Engine room r/b (on left side of engine compt)
• Gnd1
• Hot at all times
• I6 (in dash harness, behind center of dash)
• J/b 3 (behind right side of dash)
• J/c 20 (right side of dash)
• K11
• Multi-display
• Nca
• Pkb
• Pnk
• Radio 2 fuse 30a
• Red
• Sound systems
• Spd
• Sync
• Tx+
• Tx-
• Tx1+
• Tx1-
• Tx3+
• Tx3-
• W/ parking assist
• W/o parking assist

Navigation Wiring Diagram, without Rear Entertainment (3 of 3) for Lexus GX 470 2004

List of elements for Navigation Wiring Diagram, without Rear Entertainment (3 of 3) for Lexus GX 470 2004:

• (right rear cargo area) b10
• Acc
• B10
• Back door courtesy switch (at left rear of vehicle, below taillight)
• Bcty
• Br (at right rear of vehicle, below taillight)
• Cb+
• Cgnd
• Cv+
• Cv-
• Gnd
• J/c 16 (right side of dash)
• J/c 33 (right rear of cargo area)
• Nca
• Pnk
• Red
• Rev
• Syn1
• Sync
• T18
• T19
• T20
• Television camera (at rear vehicle)
• Television camera ecu (late production) (left kick panel)
• Tx+
• Tx-
• Tx1+
• Tx1-
• Vg1
• Vr1