POWER DISTRIBUTION – Lexus IS 250 2014 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (1 of 4) for Lexus IS 250 2014:

• (not used)
• (right rear of engine compt) engine room r/b 1
• Abs 1 fuse 30a
• Abs 2 fuse 50a
• Air conditioning system
• Alt
• Alt fuse 150a
• Alt-s fuse 7.5a
• Anti-lock brakes system
• Anti-theft & door locks systems
• B30
• Battery
• C31
• C32
• Cooling fans system
• D/c cut fuse 30a
• D32
• Dcm fuse 5a
• Defogger system
• Door locks system
• Door locks, anti-theft, exterior lights, engine controls, cruise control & transmissions systems
• Door locks, anti-theft, memory, instrument cluster, interior lights & electronic power steering systems
• Electronic power steering system
• Eng-am fuse 120a
• Eng-b fuse 50a
• Engine controls system
• Engine room j/b 1 (right rear of engine compt)
• Engine room j/b 2 (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Eps fuse 80a
• Eps-b fuse 5a
• Etcs fuse 10a
• Fan fuse 80a
• From engine room j/b 1 (diagram 1 of 4)
• Fuel pmp fuse 20a
• H-lp cln fuse 30a
• Horn fuse 10a
• Horns system
• Htr fuse 50a
• Ig1-main fuse 40a
• Inj fuse 20a
• Instrument panel j/b (left end of dash)
• J/b lh-am fuse 120a
• J/b lh-b fuse 80a
• Memory systems
• Mir htr fuse 15a
• Mpx-b 2 fuse 10a
• Mpx-b fuse 10a
• Navigation system
• Noise filter fuse 10a
• P/i-am fuse 80a
• P/i-b fuse 100a
• Pnk
• Ptc htr 1 fuse 50a
• Ptc htr 2 fuse 50a
• Red
• S-horn fuse 10a
• Seats system
• Semi conductor power integration ecu
• St fuse 30a
• Starter assembly
• Starting/ charging system
• Stop fuse 5a
• Strg htr fuse 15a
• To engine room j/b 2 (diagram 1 of 4)
• To engine room j/b 2 (diagram 2 of 4)
• To engine room r/b 2 (diagram 2 of 4)
• To instrument panel j/b (diagram 3 of 4)
• To instrument panel j/b (diagram 4 of 4)
• Vgrs fuse 40a
• Wiper/washer system
• Xa (right rear of engine compt)

Power Distribution Wiring Diagram (2 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (2 of 4) for Lexus IS 250 2014:

• (left side of engine compt) engine room r/b 2
• A/f fuse 15a
• A/f relay
• Ae (right rear of engine compt)
• Alt-ig fuse 5a
• Avs fuse 20a
• Batt
• Cooling fans system
• Cruise control system
• D11
• Door locks & anti-theft systems
• Efi-main fuse 25a
• Efi-main relay
• Electronic power steering system
• Electronic suspension system
• Eng-ig 1 fuse 10a
• Eng-ig 2 fuse 5a
• Engine compt)
• Engine controls & transmissions systems
• Engine controls system
• Engine room j/b 2 (left side of engine compt)
• Eps-ig fuse 5a
• From engine room j/b 1 (diagram 1 of 4)
• From engine room j/b 2 (diagram 1 of 4)
• From instrument panel j/b (diagram 4 of 4)
• Ground j/c 1 (left rear of
• H-lp lh-lo fuse 15a
• H-lp lh-lo relay
• H-lp rh-lo fuse 15a
• H-lp rh-lo relay
• Ig2 fuse 10a
• Ig2 relay
• Ig2-main fuse 20a
• Igi main relay
• J/c 1 (left side of engine compt)
• P inj fuse 10a
• Radar-ig fuse 5a
• Red
• Semiconductor power integration ecu
• Starting/ charging system
• To instrument panel j/b (diagram 3 of 4)
• Washer fuse 20a
• Wiper fuse 25a
• Wiper/washer system
• Wiring harness condenser assembly 1

Power Distribution Wiring Diagram (3 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (3 of 4) for Lexus IS 250 2014:

• (left end of dash) instrument panel j/b
• (not used)
• A/bag-ig2 fuse 7.5a
• A10
• A11
• A13
• A14
• A15
• A21
• A22
• A27
• A28
• A30
• A31
• A32
• A43
• A44
• A50
• A53
• A56
• Accd
• Agnd
• All dr lock relay
• Am2 fuse 7.5a
• Amp 1 fuse 30a
• Amp 2 fuse 30a
• Anti-theft system
• B15
• Becu
• C19
• Certification ecu (right end of dash)
• Computer data lines system
• Cruise control & exterior lights systems
• D dr unlock relay
• D/l fuse 30a
• D20
• D27
• D30
• Dome cut relay
• Dome fuse 15a
• Door f/r fuse 30a
• Door r/r fuse 30a
• Ecu-b fuse 10a
• Electronic power steering system
• Engine controls system
• Engine switch
• From acc relay (diagram 4 of 4)
• From d/l fuse o (diagram 3 of 4)
• From ecu-acc n fuse (diagram 4 of 4)
• From engine room j/b 2 (diagram 2 of 4)
• From engine room r/b 1 (diagram 1 of 4)
• Fuel lock relay
• Haz fuse 15a
• Ig1d
• Ign 1 fuse 7.5a
• Ign 2 fuse 7.5a
• Instrument cluster & exterior lights systems
• Instrument cluster system
• Instrument panel j/b (left end of dash)
• Interior lights system
• J/b-am fuse 10a
• J/b-b fuse 10a
• L/d dr unlock relay
• Main body ecu
• Memory & electronic power steering systems
• Memory systems
• Meter fuse 7.5a
• Navigation & sound systems
• Navigation system
• Obd fuse 7.5a
• Ods fuse 5a
• P/set f/r fuse 30a
• Pnk
• Power tops system
• Power windows system
• Radio fuse 15a
• Red
• Rr shade fuse 7.5a
• Seats system
• Shift interlock system
• Smart fuse 5a
• Ss1
• Ss2
• Ssw1
• Ssw2
• Strg lock fuse 20a
• Ti & te fuse 20a
• To all dr lock relay (diagram 3 of 4)
• To instrument panel j/b (diagram 4 of 4)
• Warning systems

Power Distribution Wiring Diagram (4 of 4) for Lexus IS 250 2014

List of elements for Power Distribution Wiring Diagram (4 of 4) for Lexus IS 250 2014:

• (left end of dash) instrument panel j/b
• (left side of engine compt) j/c 1
• (middle of left "a" pillar) j/c 10
• (not used)
• A/c fuse 7.5a
• A12
• A16
• A19
• A23
• A33
• A35
• A39
• A42
• A49
• A52
• A54
• A55
• Acc
• Acc relay
• Air conditioning & defogger systems
• Air conditioning system
• Air conditioning, memory, navigation & electronic power steering systems
• Air conditioning, seats, navigation, sound, defogger & transmissions systems
• Anti-lock brakes & electronic power steering systems
• Anti-lock brakes system
• B12
• B13
• B19
• B32
• Bkup lp fuse 7.5a
• Bkup lp relay
• C10
• C11
• C12
• C13
• C17
• C19
• C20
• C21
• C22
• C23
• C3 (not used)
• Computer data lines, navigation & warning systems
• Cruise control, transmissions & exterior lights systems
• D13
• D14
• D15
• D19
• D21 (not used)
• D28
• D29
• D34
• Door f/l fuse 30a
• Door r/l fuse 30a
• Ecu-acc fuse 7.5a
• Ecu-ig1 2 fuse 10a
• Ecu-ig1 fuse 10a
• Engine controls, transmissions & cruise control systems
• Exterior lights system
• From certification ecu (diagram 3 of 4)
• From engine room j/b 1 (diagram 1 of 4)
• Gnd
• Headlights & wiper/ washer systems
• Ig1 1 fuse 10a
• Ig1 1 relay
• Ig1 2 fuse 10a
• Ig1 2 relay
• Ig1 3 fuse 10a
• Ig1 3 relay
• Interior lights
• Interior lights & instrument cluster systems
• Ka (left kick panel)
• Kc (right kick panel)
• Ks1
• Main body ecu
• Memory systems
• Navigation & sound systems
• Navigation system
• P/outlet 1 fuse 7.5a
• P/outlet relay
• P/seat f/l fuse 30a
• P/w fuse 5a
• Panel fuse 7.5a
• Pnk
• Power outlet socket assembly
• Power tops system
• Power tops, passive restraints, warning & memory systems
• Power windows system
• Power windows, mirrors & memory systems
• Red
• S/htr f/l fuse 15a
• S/htr f/r fuse 15a
• S/roof fuse 20a
• Seats system
• Shift interlock system
• Tail fuse 15a
• Tail relay
• To engine room j/b 2 (diagram 2 of 4)
• To engine room r/b 2 (diagram 2 of 4)
• To l/d dr unlock relay (diagram 3 of 4)
• To obd fuse (diagram 3 of 4)
• Transmissions system
• Trly
• Trunk open relay
• Trunk opn fuse 7.5a
• Wiper sw-ig fuse 5a
• Wiper/washer system
• Wiper/washer, mirrors & power tops systems