EXTERIOR LIGHTS – Lexus GX 470 2003 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Lexus GX 470 2003

List of elements for Back-up Lamps Wiring Diagram for Lexus GX 470 2003:

• (behind left side of dash) junction connector 12
• (behind right side of dash) junction connector 19
• A j33
• Acc cut relay
• Acc fuse 7.5a
• B/up
• B5 (in rear tailgate)
• Bk/up lt relay
• Bq (at center of rear tailgate)
• Diode (back-up light) (behind right side of dash)
• Driver side j/b (behind lower left end of dash)
• Engine controls system
• Engine room r/b (on left side of engine compartment)
• Hot in on
• I6 (behind center of dash)
• Ig1 fuse 10a
• Junction connector 23 (below right side of dash)
• Junction connector 33 (on right side of cargo area, near ``d" pillar)
• Left back-up light
• Or accy
• Or start
• Park/neutral position switch (on right side of transmission)
• Passenger side r/b (at right kick panel)
• Right back-up light
• Trailer socket

Exterior Lights Wiring Diagram (1 of 2) for Lexus GX 470 2003

List of elements for Exterior Lights Wiring Diagram (1 of 2) for Lexus GX 470 2003:

• (at center rear of tailgate)
• (at left end of dash)
• (at right side of tailgate)
• (behind right side of dash)
• B11
• Body ecu
• Bp (at left rear of vehicle)
• Bq (at center rear of tailgate)
• C10
• Combination meter
• Combination switch
• Driver side j/b (behind lower left end of dash)
• E12
• E24
• Ecu-ig fuse 10a
• Eg (on rear of left cylinder head)
• F13
• F15
• F16
• Frtl
• Frtr
• Haz
• Hazard switch
• Head
• Hot at all times
• Hot in on or start
• I6 (behind center of dash)
• Ig1 fuse 2 10a
• J12
• J14
• J15
• J23
• Junction connector 11 (below left side of dash)
• Junction connector 14 (behind left side of dash)
• Junction connector 17
• Junction connector 23 (behind right side of dash)
• Junction connector 32 (on left side of cargo area, near ``d" pillar)
• Left license plate light
• Left rear combination light
• Left tail ind
• Light ctrl switch
• Ltin
• Off
• Right license plate light
• Right rear combination light
• Right tail ind
• Rtin
• Stin
• Stop
• Tail
• Tail fuse 10a
• Tail relay
• Towing converter relay (on left side of cargo area)
• Trly
• Turn
• Turn signal flasher
• Turn signal switch

Exterior Lights Wiring Diagram (2 of 2) for Lexus GX 470 2003

List of elements for Exterior Lights Wiring Diagram (2 of 2) for Lexus GX 470 2003:

• (behind left end of dash)
• Base of ``a" pillar)
• Bq (at center rear of hatch)
• Dac relay
• Ea (on right front inner fender)
• Eb (on left front inner fender)
• Engine control module (behind right side of dash)
• Engine room r/b (on left side of engine compt)
• High mounted stoplight
• Hot at all times
• Hot in on or start
• Junction connector 1 (on left side of engine compartment)
• Junction connector 16 (behind right side of dash)
• Junction connector 22 (behind right side of dash)
• Junction connector 7 & 8 (below left end of dash)
• Junction connector 9
• Left front combination light
• Parking
• Right front combination light
• S11
• Shift lock control ecu (under center console, near shift lever assy)
• Side marker
• Skid control ecu (behind left end of dash, above driver side j/b)
• Stop
• Stop fuse 10a
• Stoplight switch (behind left side of dash, above brake pedal)
• Stp
• Stp2
• Stpo
• Suspension control ecu (behind left end of dash, near
• Towing brake controller (behind left side of dash)
• Trn-haz fuse 15a
• Turn
• Wiper relay control ecu (behind right side of dash)

Trailer Tow Wiring Diagram (1 of 2) for Lexus GX 470 2003

List of elements for Trailer Tow Wiring Diagram (1 of 2) for Lexus GX 470 2003:

• Acc fuse 7.5a
• Bk/up lp relay
• Brk
• Diode (back-up light) (behind right side of dash)
• Driver side j/b (behind lower left end of dash)
• E12
• E20
• E24
• Ecu-ig fuse 10a
• F15
• F16
• Gnd
• Hot at all times
• Hot in on or accy
• Hot in on or start
• I6 (behind center of dash)
• Ig1 fuse 15a
• Ig1 fuse 2 10a
• J23
• Junction connector 1 (on left side of eng compt, near battery)
• Junction connector 14 (behind left side of dash)
• Junction connector 16 (behind right side of dash)
• Junction connector 17 (behind right side of dash)
• Junction connector 23 (below right side of dash)
• Junction connector 33 (behind right end of dash)
• Junction connector 7 & 8 (behind left end of dash)
• Junction connector 9 (behind left end of dash)
• Of dash, above brake pedal)
• Park/neutral position switch (on right side of transmission)
• Passenger side r/b (at right kick panel)
• Stop
• Stoplight switch (behind left side
• Tail
• Tail fuse 10a
• Towing brake controller (behind lower left end of dash)
• Turn signal flasher relay (behind lower left end of dash)

Trailer Tow Wiring Diagram (2 of 2) for Lexus GX 470 2003

List of elements for Trailer Tow Wiring Diagram (2 of 2) for Lexus GX 470 2003:

• (behind left side of dash) junction connector 12
• Acc cut relay
• B/up
• Batt
• Batt chg fuse 30a
• Batt chg relay
• Body ecu
• Brake ctrl fuse 30a
• Brk
• Dac relay
• Driver side j/b (behind lower left end of dash)
• E16
• Eb (on left front inner fender)
• Engine controls system
• Engine room r/b (on left side of engine compartment)
• Engine room r/b 4 (on left side of engine compartment)
• Gnd
• Hot at all times
• Junction connector (on left front of engine compt, near battery)
• Junction connector 19 (behind right side of dash)
• Junction connector 30 (at left rear of vehicle)
• Junction connector 31 (at left rear of vehicle)
• Junction connector 31 (on left side of cargo area, near "d" pillar)
• Junction connector 32 (at left rear of vehicle)
• Ltin
• Ltot
• Red
• Rtin
• Rtot
• Skid control ecu (behind left end of dash, above driver side j/b)
• Stin
• Stop fuse 10a
• Stpo
• Sttl
• Sttr
• Tail
• Towing converter relay (on left side of cargo area)
• Towing fuse 30a
• Towing fuse 40a
• Towing tail relay
• Trailer socket
• Trly
• Turn- haz fuse 15a