EXTERIOR LIGHTS – Lexus IS 300 2003 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Lexus IS 300 2003

List of elements for Back-up Lamps Wiring Diagram for Lexus IS 300 2003:

• (a/t)
• (m/t)
• Back- up light
• Back-up light switch (park/ neutral position switch)
• Driver side j/b (behind lower left end of dash)
• Gauge fuse 10a
• Hot in on or start
• I11
• Junction connector 1 & 2 (on left side of engine compt, near engine control module)
• Junction connector 15 (on left side of luggage compt, behind left fenderwell)
• Left rear combination light
• Right rear combination light

Exterior Lamps Wiring Diagram, Sedan (1 of 2) for Lexus IS 300 2003

List of elements for Exterior Lamps Wiring Diagram, Sedan (1 of 2) for Lexus IS 300 2003:

• Alt fuse 120a
• Auto
• Bulb
• C10
• Combination meter
• Driver side j/b (behind lower left end of dash)
• Engine room 1 r/b (on right rear of engine compartment)
• Gauge fuse 10a
• Gnd
• H13
• Head
• High mounted stop light
• Hot at all times
• Hot in on or start
• Hs-
• I12
• Junction connector 13 (above left rear fenderwell)
• Junction connector 14 (on left side of luggage compt, behind left fenderwell)
• Junction connector 15 (on left side of luggage compt, behind left fenderwell)
• Junction connector 5 (behind left end of dash, above driver side j/b)
• K12
• Led
• Left license plate light
• Left rear combination light
• Light control switch (combination switch)
• Light failure sensor (on left side of luggage compartment)
• Noise filter (stop- light) (above left rear fender- well)
• Off
• Passenger side j/b (behind lower right end of dash)
• Rear lights warning light ind
• Red
• Right license plate light
• Right rear combination light
• Side marker
• St+
• St-
• Stop fuse 15a
• Stop light
• Stoplight switch (above brake pedal, on bracket)
• Tail
• Tail fuse 10a
• Tail light
• Tail relay
• Theft deterrent ecu (behind left end of dash)
• Turn signal light
• Turn signal light

Exterior Lamps Wiring Diagram, Sedan (2 of 2) for Lexus IS 300 2003

List of elements for Exterior Lamps Wiring Diagram, Sedan (2 of 2) for Lexus IS 300 2003:

• A10
• A12
• A13
• Body ecu (behind lower left end of dash, integral with driver side j/b)
• Combination meter
• Driver side j/b (behind lower left end of dash)
• Ec (at left fender apron)
• Engine room 1 r/b (on right rear of engine compartment)
• Flasher relay
• Gauge fuse 10a
• Gnd
• H11
• Haz
• Hazard switch (a/c control assembly)
• Hazd
• Hot at all times
• Hot in on 0r start
• I10
• Ih (at right side of firewall)
• Junction connector 5 (behind left end of dash, above driver side j/b)
• Junction connector 7 (behind upper right side of dash)
• Left
• Left front parking light
• Left front side marker light
• Left front side turn signal light
• Left front turn signal light
• Left turn signal ind
• Passenger side j/b (behind lower right end of dash)
• Right
• Right front parking light
• Right front side marker light
• Right front side turn signal light
• Right front turn signal light
• Right turn signal ind
• Turn signal switch (combination switch)
• Turn-haz fuse 15a

Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Lexus IS 300 2003

List of elements for Exterior Lamps Wiring Diagram, Wagon (1 of 2) for Lexus IS 300 2003:

• (at right upper side of back panel)
• (in rear of liftgate) junction connector 18
• Alt fuse 120a
• Auto
• Bm (at left upper side of back panel)
• Bn (at right upper side of back panel)
• C10
• Combination meter
• Driver side j/b (behind lower left end of dash)
• Engine room 1 r/b (on right rear of engine compartment)
• Gauge fuse 10a
• Gnd
• H13
• Head
• High mounted stop light
• Hot at all times
• Hot in on or start
• Hs-
• I12
• Junction connector (above left rear fenderwell)
• Junction connector 13 (above left rear fenderwell)
• Junction connector 15 (on left side of luggage compt, behind left fenderwell)
• Junction connector 17 (above left rear fenderwell)
• Junction connector 18 (in rear of liftgate)
• Junction connector 5 (behind left end of dash, above driver side j/b)
• K12
• Left
• Left license plate light
• Left rear combination light
• Light control switch (combination switch)
• Light failure sensor (on left side of luggage compartment)
• Noise filter (stop- light) (above left rear fender- well)
• Off
• Passenger side j/b (behind lower right end of dash)
• Rear lights warning light ind
• Rear side marker light
• Red
• Right
• Right license plate light
• Right rear combination light
• St+
• St-
• Stop fuse 15a
• Stop light
• Stoplight switch (above brake pedal, on bracket)
• Tail
• Tail fuse 10a
• Tail light
• Tail relay
• Theft deterrent ecu (behind left end of dash)
• Turn signal light
• Turn signal light

Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Lexus IS 300 2003

List of elements for Exterior Lamps Wiring Diagram, Wagon (2 of 2) for Lexus IS 300 2003:

• A10
• A12
• A13
• Body ecu (behind lower left end of dash, integral with driver side j/b)
• Combination meter
• Driver side j/b (behind lower left end of dash)
• Ec (at left fender apron)
• Engine room 1 r/b (on right rear of engine compartment)
• Flasher relay
• Gauge fuse 10a
• Gnd
• H11
• Haz
• Hazard switch (a/c control assembly)
• Hazd
• Hot at all times
• Hot in on 0r start
• I10
• Ih (at right side of firewall)
• Junction connector 5 (behind left end of dash, above driver side j/b)
• Junction connector 7 (behind upper right side of dash)
• Left
• Left front parking light
• Left front side marker light
• Left front side turn signal light
• Left front turn signal light
• Left turn signal ind
• Passenger side j/b (behind lower right end of dash)
• Right
• Right front parking light
• Right front side marker light
• Right front side turn signal light
• Right front turn signal light
• Right turn signal ind
• Turn signal switch (combination switch)
• Turn-haz fuse 15a