Jonathan Yarden May 05, 2021 · 5 min. read
In this article you will find a description of fuses and relays Lexus,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2014
Engine compartment
Fuse | Ampere rating [A] | Circuit protected | |
1 | IGN | 10 | Starting system |
2 | INJ | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
3 | EFI NO.2 | 10 | Air intake system, exhaust system |
4 | IG2 MAIN | 20 | IGN, GAUGE, INJ, AIR BAG, IG2 NO.1, LH-IG2 |
5 | EFI MAIN | 25 | Multiport fuel injection system/sequential multiport fuel injection system, EFI NO.2 |
6 | A/F | 15 | Air flow sensor |
7 | EDU | 20 | Multiport fuel injection system/sequential multiport fuel injection system |
8 | F/PMP | 25 | Multiport fuel injection system/sequential multiport fuel injection system |
9 | H-LP RH-LO | 20 | Right-hand headlight (low beam)* |
10 | H-LP LH-LO | 20 | Left-hand headlight (low beam)* |
11 | ABS MAIN 2 | 10 | Brake system |
12 | ABS MAIN 1 | 10 | Brake system |
13 | IGCT NO.1 | 30 | IGCT NO.2, IGCT NO.3, IGCT NO.4, IGCT NO.5 |
14 | ECU-B | 7,5 | Smart access system with push-button start |
15 | INV W/P | 10 | Hybrid system |
16 | ETCS | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
17 | EPS-B | 10 | Electric power steering system |
18 | D/C CUT | 30 | DOME, MPX-B |
19 | HORN | 10 | Horn |
20 | ODS | 5 | Occupant classification system |
21 | TV | 7,5 | Remote Touch screen |
22 | P/I-B NO.2 | 80 | IG2 MAIN, EFI MAIN, EDU, F/PMP, A/F |
23 | ABS NO.2 | 30 | Motor relay |
24 | P/I-B NO.1 | 50 | H-LP HI RH, H-LP HI LH, DRL |
25 | H-LP LO | 30 | H-LP LO RH, H-LP LO LH |
26 | LH J/B-B | 40 | Left-hand junction block |
27 | RH J/B-B | 40 | Right-hand junction block |
28 | VGRS | 40 | No circuit |
29 | OIL PMP | 60 | Oil pump |
30 | IGCT NO.5 | 7,5 | Power management system, shift position sensor |
31 | WIP-S | 7,5 | Windshield wipers, driver support system |
32 | WASH-S | 5 | Windshield washer, driver support system |
33 | COMB SW | 5 | Windshield wipers |
34 | DOME | 7,5 | Personal lights, ornament lights, trunk light, footwell lights, door courtesy lights, vanity lights, rear door inside handle illuminations, power trunk opener and closer |
35 | MPX-B | 10 | Body ECU, smart access system with pushbutton start, electric tilt and telescopic steering column, power seats, head-up display, front door ECU, gauges and meters, steering sensor, yaw rate and G sensor, overhead module, RR CTRL SW, power trunk opener and closer, clock, CAN gateway ECU |
36 | IGCT NO.4 | 10 | Power control unit |
37 | IGCT NO.3 | 7,5 | Hybrid battery (traction battery), DC/DCÂ converter |
38 | IGCT NO.2 | 5 | Hybrid system |
39 | IG2 NO.1 | 5 | DCM, CAN gateway ECU |
40 | GAUGE | 5 | Gauges and meters |
41 | DC/DC | 150 | RH-J/B DC/DC, P/I DC/DC |
42 | P/I DC/DC | 100 | RR S/SHADE, DEFOG, FOG, TAIL, PANEL |
43 | RH J/B DC/DC | 80 | Right-hand junction block |
44 | LH J/B DC/DC | 50 | Left-hand junction block |
45 | H-LP CLN | 30 | Headlight cleaner |
46 | FAN NO.2 | 40 | Electric cooling fans |
47 | LUG J/B DC/DC | 80 | Luggage compartment junction block |
48 | FAN NO.1 | 80 | Electric cooling fans |
49 | PTC NO.1 | 50 | PTC heater |
50 | PTC NO.2 | 50 | PTC heater |
51 | HTR | 50 | Air conditioning system |
52 | ABS NO.1 | 30 | Motor relay |
53 | ECU-B NO.2 | 7,5 | No circuit |
54 | DEICER | 25 | Windshield wiper de-icer |
55 | ABS MAIN 3 | 10 | Brake system |
56 | FILTER | 10 | Condenser |
57 | A/C W/P | 7,5 | Air conditioning system |
58 | SPARE | 10 | Spare fuse |
59 | SPARE | 30 | Spare fuse |
60 | SPARE | 20 | Spare fuse |
*: Low beam and high beam are the same bulb. (vehicles with discharge headlights) |
Driverâs side instrument panel
Fuse | Ampere rating [A] | Circuit protected | |
1 | STOP | 7,5 | Stop lights, high mounted stoplight |
2 | P/W-B | 5 | Power window master switch |
3 | P/SEAT1 F/L | 30 | Power seats |
4 | D/L NO.1 | 25 | Power door lock system |
5 | NV-IR | 10 | Lexus night view |
6 | FL S/HTR | 10 | Seat heaters/ventilators |
7 | WIPER | 30 | Windshield wipers |
8 | WIPER-IG | 5 | Windshield wipers |
9 | LH-IG | 10 | Seat belts, body ECU, AFS, overhead module, raindrop sensor, inside rear view mirror, lane camera sensor (LKA), head-up display, shift lock system, intuitive parking assist, front left-hand door ECU, driver monitor system, Remote Touch screen, electric tilt and telescopic steering column, power seats, moon roof, windshield wiper de-icer, intuitive parking assist switch, PTC heater, headlight cleaner |
10 | LH ECU-IG | 10 | VDIM, brake system, D-SW MODULE (Blind Spot Monitor, heated steering wheel), driver support system, AFS, electric cooling fans, EPB, air conditioning system, steering sensor |
11 | DOOR FL | 30 | Outside rear view mirror defoggers, power window (front left-hand) |
12 | CAPACITORÂ (HV) | 10 | Capacitor |
13 | STRG LOCK | 15 | Steering lock system |
14 | D/L NO.2 | 25 | Power door lock system |
15 | DOOR RL | 30 | Power window (rear left-hand) |
16 | HAZ | 15 | Turn signal lights, emergency flashers |
17 | LH-IG2 | 10 | Multiport fuel injection system/sequential multiport fuel injection system, stop lights, smart access system with push-button start, steering lock system, brake system, power management system |
18 | LH J/B-B | 7,5 | Body ECU |
19 | S/ROOF | 20 | Moon roof |
20 | P/SEAT2 F/L | 25 | Power seats |
21 | TI & TE | 20 | Electric tilt and telescopic steering column |
22 | A/C | 7,5 | Air conditioning system |
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Passengerâs side instrument panel
Fuse | Ampere rating [A] | Circuit protected | |
1 | P/SEAT1 F/R | 30 | Power seats |
2 | FR P/OUTLET | 15 | Power outlet (front) |
3 | RR P/OUTLET | 15 | Power outlet (rear) |
4 | P/SEAT2 F/R | 25 | Power seats |
5 | AVS | 20 | AVS |
6 | STRG HTR | 15 | Heated steering wheel |
7 | WASH | 20 | Windshield washer |
8 | RH ECU-IG | 10 | Navigation system, pre-collision seat belts, air conditioning system, brake system, Lexus night view, yaw rate and G sensor, capacitor |
9 | RH-IG | 10 | Tension reducer, seat heater/ventilator switches, front right-hand door ECU, CAN gateway ECU, tire pressure warning system, power seats |
10 | DOOR FR | 30 | Front right-hand door control system (outside rear view mirror defoggers, power window |
11 | DOOR RR | 30 | Power window (rear right-hand) |
12 | RAD NO.2 | 30 | Audio system |
13 | AM2 | 7,5 | Power management system |
14 | MULTIMEDIA | 10 | Navigation system, Remote Touch |
15 | RAD NO.1 | 30 | Audio system |
16 | AIR BAG | 10 | SRS airbag system, occupant classification system |
17 | OBD | 7,5 | On-board diagnosis system |
18 | ACC | 7,5 | Body ECU, head-up display, RR CTRL, navigation system, hybrid transmission, Remote Touch, DCM, Remote Touch screen, clock |
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Trunk
Fuse | Ampere rating [A] | Circuit protected | |
1 | PSB | 30 | Pre-collision seat belts |
2 | PTL | 25 | Power trunk opener and closer |
3 | RR J/B-B | 10 | Smart access system with push-button start |
4 | RR S/HTR | 20 | Seat heaters (rear) |
5 | FR S/HTR | 10 | Seat heaters/ventilators (front) |
6 | RR FOG | 10 | No circuit |
7 | DC/DC-S (HV) | 7,5 | DC/DC converter |
8 | BATT FAN (HV) | 20 | Hybrid battery (traction battery) cooling fan system |
9 | SECURITY | 7,5 | SECURITY |
10 | ECU-B NO.3 | 7,5 | Parking brake |
11 | TRK OPN | 7,5 | Power trunk opener and closer, trunk open motor |
12 | DCM (HV) | 7,5 | DCM |
13 | AC INV (HV) | 20 | Power outlet (120V AC) |
14 | RR-IG1 | 5 | Radar sensor, Blind Spot Monitor |
15 | RR ECU-IG | 10 | Power trunk opener and closer, parking brake, tension reducer (rear left-hand), RR CTRL SW, tire pressure warning system |
16 | EPS-IG | 5 | Electric power steering system |
17 | BACK UP | 7,5 | Back-up lights |
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The upper part of the 12-volt battery*
Fuse | Ampere rating [A] | Circuit protected | |
1 | EPB | 30 | Parking brake |
2 | LUG-J/B BATT | 40 | Luggage compartment junction block |
3 | EPS | 80 | Electric power steering |
4 | ARS | 80 | No circuit |
5 | MAIN | 220 | Engine compartment junction block |
*: When one or more of the fuses in this unit are blown, the unit needs to be replaced as a whole. |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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