Jonathan Yarden May 06, 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: 2013, 2014, 2015
Engine compartment (type A)
Left-hand drive vehicles
Fuse | Ampere rating [A] | Circuit protected | |
1 | LH J/B-B | 40 | Left-hand junction block |
2 | VGRS | 40 | No circuit |
3 | RH J/B-B | 40 | Right-hand junction block |
4 | P/I-B NO.2 | 80 | F/PMP, EFI MAIN, A/F HTR, EDU, IG2 MAIN |
5 | ALT | 150 | RH J/B ALT, P/I ALT, LH J/B ALT, LUG J/B ALT |
6 | P/I ALT | 100 | RR DEF, TAIL, FR FOG, DEICER, PANEL, RR S/SHADE |
7 | RH J/B ALT | 80 | Right-hand junction block |
8 | MPX-B | 10 | Smart entry & start system, electric tilt and telescopic steering column, power seats, head-up display, front right-hand door ECU, gauges and meters, steering sensor, yaw rate and G sensor, overhead module, front left-hand door ECU, power trunk lid, RR CTRL SW, clock, body ECU, CAN gateway ECU |
9 | DOME | 7,5 | Personal lights, ornament lights, trunk light, footwell lights, door courtesy lights, vanity lights, rear door inside handle illuminations, power trunk lid |
10 | EPS | 80 | EPS |
11 | ARS | 80 | No circuit |
12 | HTR | 50 | Air conditioning system |
13 | ABS NO.1 | 40 | VDIM |
14 | LUG J/B ALT | 50 | Luggage compartment junction block |
15 | PTC NO.1 | 50 | PTC heater |
16 | PTC NO.2 | 50 | PTC heater |
17 | ABS NO.2 | 50 | VDM |
18 | ST | 30 | Starting system |
19 | H-LP LO | 30 | Headlights, H-LP RLY |
20 | D/C CUT | 30 | DOME, MPX-B |
21 | DCM | 7,5 | DCM |
22 | ECU-B | 7,5 | Smart entry & start system |
23 | ALT-S | 7,5 | Charging system |
24 | ETCS | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
25 | HORN | 10 | Horn |
26 | R/B-B | 20 | EPS-B, TV |
27 | P/I-B NO.1 | 50 | Headlights, daytime running lights, EBS |
28 | EPB | 30 | Parking brake |
29 | LUG J/B-B | 40 | Luggage compartment junction block |
30 | FAN NO.1 | 80 | Electric cooling fans |
31 | LH J/B ALT | 60 | Left-hand junction block |
32 | H-LP CLN | 30 | Headlight cleaner |
33 | FAN NO.2 | 40 | Electric cooling fans |
34 | A/C COMP | 7,5 | Air conditioning system |
35 | FILTER | 10 | Condenser |
Right-hand drive vehicles
Fuse | Ampere rating [A] | Circuit protected | |
1 | RH J/B ALT | 80 | Right-hand junction block |
2 | P/I ALT | 100 | RR DEF, TAIL, FR FOG, DEICER, PANEL, RR S/SHADE |
3 | ALT | 150 | RH J/B ALT, P/I ALT, alternator, LH J/B ALT, luggage compartment junction block |
4 | P/I-B NO.2 | 80 | F/PMP, EFI MAIN, A/F HTR, EDU, IG2 MAIN |
5 | RH J/B-B | 40 | Right-hand junction block |
6 | VGRS | 40 | No circuit |
7 | LH J/B-B | 40 | Left-hand junction block |
8 | PTC NO.2 | 50 | PTC heater |
9 | PTC NO.1 | 50 | PTC heater |
10 | LUG J/B ALT | 50 | Luggage compartment junction block |
11 | ABS NO.1 | 40 | VDIM |
12 | HTR | 50 | Air conditioning system |
13 | ARS | 80 | No circuit |
14 | EPS | 80 | EPS |
15 | DOME | 7,5 | Personal lights, ornament lights, trunk light, footwell lights, door courtesy lights, vanity lights, rear door inside handle illuminations, power trunk lid |
16 | MPX-B | 10 | Smart entry & start system, electric tilt and telescopic steering column, power seats, head-up display, front right-hand door ECU, gauges and meters, steering sensor, yaw rate and G sensor, overhead module, front left-hand door ECU, power trunk lid, clock, body ECU, RR CTRL SW, CAN gateway ECU |
17 | FILTER | 10 | Condenser |
18 | A/C COMP | 7,5 | Air conditioning system |
19 | H-LP CLN | 30 | Headlight cleaner |
20 | FAN NO.2 | 40 | Electric cooling fans |
21 | LH J/B ALT | 60 | Left-hand junction block |
22 | FAN NO.1 | 80 | Electric cooling fans |
23 | P/I-B NO.1 | 50 | H-LP HI RH, H-LP HI LH, DRL, emergency brake signal |
24 | EPB | 30 | Parking brake |
25 | LUG J/B-B | 40 | Luggage compartment junction block |
26 | R/B-B | 20 | EPS-B, TV |
27 | HORN | 10 | Horn |
28 | ETCS | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
29 | ALT-S | 7,5 | Charging system |
30 | ECU-B | 7,5 | Smart entry & start system |
31 | DCM | 7,5 | DCM |
32 | D/C CUT | 30 | DOME, MPX-B |
33 | ABS NO.2 | 50 | VDIM |
34 | ST | 30 | Starting system |
35 | H-LP LO | 30 | Headlights, H-LP RLY |
Engine compartment (type B fuse box)
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 | Fuel 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 intake system |
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 | SPARE | 30 | Spare fuse |
10 | SPARE | 20 | Spare fuse |
11 | SPARE | 10 | Spare fuse |
12 | H-LP LH-LO | 20 | Left-hand headlight |
13 | H-LP RH-LO | 20 | Right-hand headlight |
14 | WASH-S | 5 | Driver support system |
15 | WIP-S | 7,5 | Windshield wipers, power management system |
16 | COMB SW | 5 | Windshield wipers |
17 | TV | 7,5 | Remote Touch screen |
18 | EPS-B | 5 | Electric power steering |
19 | ODS | 5 | No circuit |
20 | IG2 NO.1 | 5 | Power management system, DCM, CAN gateway ECU |
21 | GAUGE | 5 | Gauges and meters |
22 | IG2 NO.2* | 5 | Multiport fuel injection system/sequential multiport fuel injection system |
*: 8-speed models |
Left side instrument panel (left-hand drive vehicles)
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 | No circuit |
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), headup display, shift lock system, Lexus parking assist-sensor, front left-hand door ECU, driver monitor system, Remote Touch screen, electric tilt and telescopic steering column, power seats, moon roof, Lexus parking assist-sensor switch |
10 | LH ECU-IG | 10 | VDIM, D-SW MODULE (Blind Spot Monitor, heated steering wheel), driver support system, AFS, EPB |
11 | DOOR FL | 30 | Outside rear view mirror defoggers, power window (front left-hand) |
12 | CAPACITOR (HV) | 10 | No circuit |
13 | STRG LOCK | 15 | Steering lock |
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 entry & start system, steering lock 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 |
Left side instrument panel (right-hand drive vehicles),
Fuse | Ampere rating [A] | Circuit protected | |
1 | P/SEAT1 F/L | 30 | Power seats |
2 | D/L NO.1 | 25 | Power door lock system |
3 | NV-IR | 10 | No circuit |
4 | FL S/HTR | 10 | Seat heaters/ventilators |
5 | STRG HTR | 15 | Heated steering wheel |
6 | WIPER-IG | 5 | Windshield wipers |
7 | LH-IG | 10 | Seat belts, body ECU, AFS, Remote Touch screen, overhead module, raindrop sensor, moon roof, inside rear view mirror, LKA, front left-hand door ECU, Lexus parking assist-sensor, power seats, CAN gateway ECU |
8 | LH ECU-IG | 10 | Yaw rate and G sensor, air conditioning system, AFS, driver support system |
9 | DOOR FL | 30 | Outside rear view mirror defoggers, power window (front left-hand) |
10 | CAPACITOR (HV) | 10 | No circuit |
11 | AM2 | 7,5 | Power management system, smart entry & start system |
12 | D/L NO.2 | 25 | Power door lock system |
13 | DOOR RL | 30 | Power window (rear left-hand) |
14 | HAZ | 15 | Turn signal lights, emergency flashers |
15 | LH-IG2 | 10 | Multiport fuel injection system/sequential multiport fuel injection system, stop lights, smart entry & start system, steering lock system |
16 | LH J/B-B | 7,5 | Body ECU |
17 | S/ROOF | 20 | Moon roof |
18 | P/SEAT2 F/L | 25 | Power seats |
19 | A/C | 7,5 | Air conditioning system |
Right side instrument panel (left-hand drive vehicles)
Fuse | Ampere rating [A] | Circuit protected | |
1 | P/SEAT1 F/L | 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-crash seat belts, air conditioning system |
9 | RH-IG | 10 | Tension reducer, seat heater/ventilator switches, AWD system, front right-hand door ECU, nanoe, CAN gateway ECU, tire pressure warning system, power seats, driver monitor system |
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 | Smart entry & start system |
14 | MULTIMEDIA | 10 | Navigation system, Remote Touch |
15 | RAD NO.1 | 30 | Audio system |
16 | AIR BAG | 10 | SRS airbag system |
17 | OBD | 7,5 | On-board diagnosis system |
18 | ACC | 7,5 | Body ECU, head-up display, RR CTRL, navigation system, transmission, Remote Touch, DCM, Remote Touch screen |
Right side instrument panel (right-hand drive vehicles)
Fuse | Ampere rating [A] | Circuit protected | |
1 | STOP | 7,5 | Stop lights, high mounted stoplight |
2 | P/SEAT1 F/R | 30 | Power seats |
3 | FR P/OUTLET | 15 | Power outlet (front) |
4 | P/W-B | 5 | Power window master switch |
5 | RR P/OUTLET | 15 | Power outlet (rear) |
6 | P/SEAT2 F/R | 25 | Power seats |
7 | AVS | 20 | AVS |
8 | WIPER | 30 | Windshield wipers |
9 | WASH | 20 | Windshield washer |
10 | RH ECU-IG | 10 | Navigation system, VDIM, D-SW MODULE (Blind Spot Monitor, heated steering wheel) |
11 | RH-IG | 10 | Tension reducer, AWD system, power seats, head-up display, front right-hand door ECU, nanoe, shift lock system, electric tilt and telescopic steering column, seat heater/ventilator switches, smart entry & start system antennas, tire pressure warning system receiver, driver monitor system |
12 | DOOR FR | 30 | Front right-hand door control system (outside rear view mirror defoggers, power window) |
13 | DOOR RR | 30 | Power window (rear right-hand) |
14 | RAD NO.2 | 30 | Audio system |
15 | STRG LOCK | 15 | Steering lock system |
16 | MULTIMEDIA | 10 | Navigation system, Remote Touch |
17 | RAD NO.1 | 30 | Audio system |
18 | AIR BAG | 10 | SRS airbag system |
19 | OBD | 7,5 | On-board diagnosis system |
20 | TI & TE | 20 | Electric tilt and telescopic steering column |
21 | ACC | 7,5 | Body ECU, head-up display, RR CTRL, navigation system, transmission, Remote Touch, Remote Touch screen |
Trunk
Fuse | Ampere rating [A] | Circuit protected | |
1 | PSB | 30 | Pre-crash seat belts |
2 | PTL | 25 | Power trunk lid |
3 | RR J/B-B | 10 | Smart entry & start system |
4 | RR S/HTR | 20 | Seat heaters (rear) |
5 | FR S/HTR | 10 | Seat heaters/ventilators (front) |
6 | RR FOG | 10 | Rear fog light |
7 | DC/DC-S (HV) | 7,5 | No circuit |
8 | BATT FAN (HV) | 20 | No circuit |
9 | SECURITY | 7,5 | SECURITY |
10 | ECU-B NO.3 | 7,5 | Parking brake |
11 | TRK OPN | 7,5 | Power trunk lid |
12 | DCM (HV) | 7,5 | No circuit |
13 | AC INV (HV) | 20 | No circuit |
14 | RR-IG1 | 5 | Radar sensor, Blind Spot Monitor |
15 | RR ECU-IG | 10 | Power trunk lid, 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 light |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Still have questions or want to supplement the article? Discuss On Telegram