Lexus LS 430 (2000 – 2006) – fuse box diagram

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Lexus LS 430 (2000 – 2006) – fuse box diagram

Year of production: 2000, 2001, 2002, 2003, 2004, 2005, 2006

Passenger Compartment

LHD

Lexus LS 430 - fuse box diagram - passenger compartment - location LHD
Lexus LS 430 – fuse box diagram – passenger compartment – location LHD

RHD

Lexus LS 430 – fuse box diagram – passenger compartment – location RHD
  1. Fuse Box No.1
  2. 2000-2003: Skid Control ECU

    2003-2006: Air Suspension ECU

  3. Gateway ECU
  4. Power Tilt and Power Telescopic ECU
  5. Steering Lock ECU (with Smart Key System)
  6. Transponder Key Computer (without Smart Key System)
  7. Theft Deterrent ECU
  8. A/C Control Assembly
  9. 2003-2006: PPS ECU
  10. 2004-2006: Distance Control ECU
  11. 2003-2006: AFS ECU
  12. 2000-2003: Headlight Beam Level Control ECU
  13. 2000-2003: Air Suspension ECU
  14. Fuse Box No.2
  15. Shift Lock Control ECU
  16. Airbag Sensor Assembly
  17. Transponder Key Amplifier

Passenger Compartment Fuse Box No.1 (Driver Side)

Lexus LS 430 – fuse box diagram – passenger compartment – box 1 (driver side)
No.
 Fuse
 A
 Circuit
1 TEL 7.5 RHD: Audio system, Navigation system
2 TI&TE 20 Tilt and telescopic steering
3 AMP 30 RHD: Audio system
4 PANEL 7.5 Lexus park assist system, Rear seat heater, Rear climate control seat, Multi-information display, Audio system, Cigarette lighter, Instrument panel light, Coin box light, Rear mirror light, Glove box light, Power rear seat, Electronically modulated air suspension system, Turn signal lights, Clock, Shift lock system, Vehicle stability control system, Sunshade, Power rear view mirror control system, Console box light, Fuel opener system, Adaptive Front Lighting System (AFS)
5 – –  –
6 D P/SEAT 30 Power seat system
7 – –  –
8 GAUGE 7.5 Gauges and meters, Lexus park assist system, Shift lock system
9 MPX-IG 7.5 Tilt and telescopic steering, Power door lock system, Power seat system, Engine immobilizer system
10 D S/HTR 15 Seat heater, Climate control seat system
11 AIRSUS 20 Electronically modulated air suspension system
12 D-ACC 7.5 Shift lock system, Theft deterrent system
13 PWR OUTLET 15 Power outlet
14 D-CIG 15 Rear cigarette lighter
15 OBD 7.5 On-board diagnosis system
16 AM1 7.5 Starting system
17 ABS-IG 7.5 Vehicle stability control system
18 D B/ANC 5 Seat belts
19 SECURITY 7.5 Theft deterrent system
20 A/C 7.5 Air conditioning system
21 STOP 5 Stop lights
22 D RR-IG 10 Refreshing seat
Relay
R1 Accessory (D-ACC)
R2 Ignition (D-IG1)

Passenger Compartment Fuse Box No.2 (Passenger Side)

Lexus LS 430 – fuse box diagram – passenger compartment – box 2 (passenger side)
No.
 Fuse
 A
 Circuit
1 IG2 7.5 2000-2003: SRS airbag system, Engine immobilizer system, Steering lock system
30 2003-2006: SRS airbag system, Engine immobilizer system, Steering lock system, Starting system
2 HAZ 15 Emergency flashers
3 STR LOCK 7.5 Steering lock system
4 CRT 7.5 2000-2003: Multi–information display
IG2 7.5 2003-2006: SRS airbag system, Engine immobilizer system, Steering lock system, Starting system
AM2 7.5 2003-2006: All components in “STA” and “IG2”, Starting system
5 MPX-B1 7.5 Power door lock system, Engine immobilizer system, Steering lock system, Front power seat, Rear power seat
6 MPX-B3 7.5 Tilt and telescopic steering, Headlight switch, Windshield wiper and washer switch, Turn signal switch
7 DOME 10 Vanity lights, Outer foot lights, Ignition switch light, Clock, Gauges and meters, Interior lights, Personal lights
8 MPX-B2 7.5 Gauges and meters, Vehicle stability control system, Illuminated entry system, TEL
9 P RR-IG 10 Refreshing seat
10 H-LP LVL 5 2000-2003: Headlight leveling system
7.5 2003-2006: Headlight leveling system, Adaptive Front Lighting System (AFS)
11 P-IG 7.5 Rain sensor, Air conditioning system, Moon roof, Multi-information display, Clock
12 P S/HTR 15 Seat heater, Climate control seat system
13 P-ACC 7.5 Air conditioning system, Audio system, Clock, Multi-information display, Illuminated entry system
14 P-CIG 15 Front cigarette lighter
15 – –  –
16 RADIO NO.1 7.5 Audio system
17 S/ROOF 25 2000-2003: Moon roof
RR DOOR LH 20 2003-2006:
LHD: Power door lock system, Power window, Door closer system, Door courtesy lights
RR DOOR RH 20 2003-2006:
RHD: Power door lock system, Power window, Door closer system, Door courtesy lights
18 P DOOR 25 Power door lock system, Power rear view mirror control system, Outside rear view mirror defogger, Door closer system, Door courtesy lights, Power windows
19 TEL 7.5 LHD: Audio system, Navigation system
20 P B/ANC 5 Seat belts, Seat belt buckle illumination
21 AMP 30 2000-2003:
LHD: Audio system
P P/SEAT 30 2000-2003:
RHD: Power seat system
RR DOOR RH 20 2003-2006:
LHD: Power door lock system, Power window, Door closer system, Door courtesy lights
RR DOOR LH 20 2003-2006:
RHD: Power door lock system, Power window, Door closer system, Door courtesy lights
22 D DOOR 25 Power door lock system, Door closer system, Power rear view mirror control system, Outside rear view mirror defogger, Door courtesy lights, Power windows
Relay
R1 Accessory (P-ACC)
R2 Ignition (P-IG1)

Location

Lexus LS 430 – fuse box diagram – location
  1. Moon Roof Control ECU and Motor
  2. LHD: Front Passenger Door ECU

    RHD: Driver Door ECU

  3. Rear Door RH ECU
  4. Stereo Component Amplifier
  5. 2003-2006: Television Camera ECU
  6. 2003-2006: A/C Amplifier
  7. Stereo Component Tuner
  8. Navigation ECU
  9. Rear Sunshade Control Relay
  10. 2000-2004: Telephone Transceiver and Speaker Relay

    2004-2006: Seat Belt Control ECU

  11. Fuse Box
  12. Clearance Sonar ECU
  13. Rear Door LH ECU
  14. LHD: Driver Door ECU

    RHD: Front Passenger Door ECU

  15. Junction Block

Luggage Compartment Fuse Box

Lexus LS 430 – fuse box diagram – luggage compartment
No.
 Fuse
 A
 Circuit
1 RR IG 7.5 Lexus park assist system, Electronically modulated air suspension system, Theft deterrent system, TEL
2 RR ACC 7.5 Audio system, TEL
3 RR ECU-B 7.5 Rear air conditioning system, Theft deterrent system, Trunk light, Refreshing rear seat
4 – –  –
5 RR A/C 7.5 Rear air conditioning system, Air purifier
6 RR S/HTR 20 2000-2003: Seat heater
30 2003-2006: Seat heater, Climate control seat system
7 RR S/SHADE 15 Sunshade
8 LCE LP 7.5 License plate lights
9 RR DOOR RH 20 2000-2003: Power door lock system, Power windows, Door closer system, Door courtesy lights
S/ROOF 30 2003-2006: Moon roof
10 FUEL OPN 10 Fuel opener system, Trunk lid closer system
11 RR DOOR LH 20 2000-2003: Power door lock system, Power windows, Door closer system, Door courtesy lights
AMP 30 2003-2006:
LHD: Audio system
P P/SEAT 30 2003-2006:
RHD: Power seat system
12 P P/SEAT 30 LHD: Power seat system
13 RR SEAT LH 30 Power seat system
14 RR SEAT RH 30 Power seat system
Relay
R1 Accessory (L-ACC)
R2 Ignition (L-IG1)
R2 Sunshade (RR S/SHADE)

Engine Compartment

LHD

Lexus LS 430 – fuse box diagram – engine compartment – location LHD

RHD

Lexus LS 430 – fuse box diagram – engine compartment – location LHD
  1. Fuse Box
  2. Relay Box No.1
  3. Engine and ECT ECU
  4. Headlight Control ECU LH
  5. Headlight Cleaner Control Relay
  6. Cooling Fan ECU
  7. Headlight Control ECU RH
  8. Fusible Link Block
  9. 2003-2006: Skid Control ECU with Actuator
  10. Relay Box No.2

Engine Compartment Fuse Box

Lexus LS 430 – fuse box diagram – engine compartment
No.
 Fuse
 A
 Circuit
1 H-LP R LWR 15 Right-hand headlight (low beam)
2 H-LP L LWR 15 Left-hand headlight (low beam)
3 EFI NO.2 7.5 Multiport fuel injection system/sequential multiport fuel injection system
4 STA 7.5 Multiport fuel injection system/sequential multiport fuel injection system
5 INJ 10 Multiport fuel injection system/sequential multiport fuel injection system
6 IGN 7.5 Multiport fuel injection system/sequential multiport fuel injection system
7 FR IG 7.5 Electric cooling fan, Headlight cleaner, Charging system, Starting system, Rear window defogger
8 A/C IG 7.5 Air conditioning system
9 WIP 30 Windshield wiper
10 FR FOG 15 Fog lights
11 WASHER 20 Windshield washer
12 TAIL 7.5 Tail lights, parking lights, Side marker lights
13 H-LP. CLN 30 Headlight cleaner
14 EFI NO.1 30 2000-2003: Multiport fuel injection system/sequential multiport fuel injection system
25 2003-2006: Multiport fuel injection system/sequential multiport fuel injection system
20 2004-2006: Multiport fuel injection system/sequential multiport fuel injection system
15 HORN 10 Horns
16 ETCS 10 Multiport fuel injection system/sequential multiport fuel injection system
17 H-LP HI 20 Headlights (high beam)
Relay
R1 Ignition (IG1)
R2 Circuit opening (Fuel pump (C/OPN))
R3 Fuel pump (F/PMP)
R4 Ignition (IG2)
R5 Air conditioner compressor clutch (A/C COMP)
R6 Engine control unit (EFI MAIN)
R7 Headlights (HEAD LP)

Fusible Link Block

Lexus LS 430 – fuse box diagram – fusible link block
No.
 Fuse
 A
 Circuit
1 LUG J/B 50 2000-2003: All components in “RR SEAT RH”, “RR SEAT LH”, “S/ROOF”, “AMP”, “RR IG”, “RR ECU-B”, “P P/SEAT”, “RR S/HTR”, “RR S/SHADE”, “RR A/C”, “RR ACC”, “FUEL OPN” and “LCE LP”, Tail lights and Stop lights
2003-2006:
200W Fan: All components in “RR SEAT RH”, “RR SEAT LH”, “S/ROOF”, “AMP”, “RR IG”, “RR ECU-B”, “P P/SEAT”, “RR S/HTR”, “RR S/SHADE”, “RR A/C”, “RR ACC”, “FUEL OPN” and “LCE LP”, Tail lights and Stop lights
2 ABS 2 40 2000-2003: Vehicle stability control system
50 2003-2006: Vehicle stability control system
3 HEATER 50 Air conditioning system
4 ABS 1 40 2000-2003: Vehicle stability control system
30 2003-2006: Vehicle stability control system
5 DEFOG 40 Rear window defogger
6 AIR SUS 40 Electronically modulated air suspension system
7 FAN 50 2000-2003: Air conditioning system
2003-2006:
100W Fan: Air conditioning system
8 R/B 60 All components in “FR FOG”, “TAIL”, “WASHER”, “FR IG”, “WIP”, “H-LP CRN”, and “A/C IG”
9 FAN 80 200W Fan: Air conditioning system
LUG J/B 60 2003-2006:
100W Fan: All components in “RR SEAT RH”, “RR SEAT LH”, “S/ROOF”, “AMP”, “RR IG”, “RR ECU-B”, “P P/SEAT”, “RR S/HTR”, “RR S/SHADE”, “RR A/C”, “RR ACC”, “FUEL OPN” and “LCE LP”, Tail lights and Stop lights
10 D-J/B 80 All components in “TI &TE”, “DP/SEAT”, “A/C” “OBD”, “STOP”, “AM1”, “MPX-IG”, “ABS-IG”, “GAUGE”, “AIRSUS”, “D S/HTR”, “SECURITY”, “PANEL”, “D B/ANC”, “POWER OUTLET”, “D-CIG”, “D RR-IG” and “D-ACC”
11 ALT 140 Charging system
12 P-J/B 80 All components in “RR DOOR RH”, “RR DOOR LH”, “D DOOR”, “H-LP LVL”, “P DOOR”, “P S/HTR”, “P-IG”, “P-ACC”, “P B/ANC”, “P-CIG”, “TEL” and “P RR-IG”
13 BATT 30 All components in “RADIO NO.1”, “AM2”, “HAZ” and “STR LOCK”
14 AM 2 30 2000-2003: Starting system
ST 30 2003-2006: Starting system
15 D/C CUT 20 All components in “DOME”, “MPX-B1”, and “MPS-B3”
16 ALT-S 5 Charging system
17 SPARE – Spare fuse
18 SPARE – Spare fuse
19 SPARE – Spare fuse
20 SPARE – Spare fuse
Relay
R1 Starter
R2 Electronically modulated air suspension system (AIR SUS)
R3 Electric cooling fan (FAN)

Engine Compartment Relay Box No.1

Lexus LS 430 – fuse box diagram – engine compartment relay box 1
No.
 Relay
R1 Rear window defogger (DEFOG)
R2  –

Engine Compartment Relay Box No.2

2000-2003:

Lexus LS 430 – fuse box diagram – engine compartment relay box 2

2003-2006:

Lexus LS 430 – fuse box diagram – engine compartment relay box 2
No.
 Fuse
 A
 Circuit
1 ABS 3 7.5 2000-2003: Vehicle stability control system
Relay
R1  –
R2  (ABS MTR)
R3  (ABS SOL)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.