GS450h Lexus Owner’s Manual

June 17, 2024
LEXUS

GS450h Lexus

Specifications:

  • Model: Lexus GS450h (L10)
  • Production Years: 2013-2017

Product Information
The Lexus GS450h is a luxury hybrid sedan that offers a blend of performance and fuel efficiency. It features advanced technology and a stylish design, making it a popular choice among luxury car enthusiasts.

Product Usage Instructions

Location of Fuse Box:
The fuse box is located under the left side of the instrument panel, under the lid.

Passenger Compartment Fuse Box 1:
This fuse box contains fuses that protect various circuits in the vehicle. Refer to the fuse box diagram for the assignment of each fuse and its corresponding ampere rating.

Fuse Assignment in Passenger Compartment Fuse Box 1:

Name Ampere rating [A] Circuit protected

Passenger Compartment Fuse Box 2:
This second fuse box is located under the right side of the instrument panel, under the lid. It contains additional fuses for protecting specific circuits in the vehicle.

Fuse Assignment in Passenger Compartment Fuse Box 2:

Name Ampere rating [A] Circuit protected

FAQ (Frequently Asked Questions):

  • Q: Where can I find the fuse box in my Lexus GS450h?
    A: The fuse box in the Lexus GS450h is located under the left side of the instrument panel for Passenger Compartment Fuse Box 1 and under the right side of the instrument panel for Passenger Compartment Fuse Box 2.

  • Q: How do I know which fuse to replace if a specific circuit is not working?
    A: Refer to the fuse box diagrams provided in the user manual to identify the fuse associated with the malfunctioning circuit. Replace the corresponding fuse with one of the same ampere rating to restore functionality.

Lexus GS450h (L10; 2013-2017) fuses

In this article, we consider the fourth-generation Lexus GS (L10), produced from 2013 to 2017. Here you will find fuse box diagrams of Lexus GS 450h 2013, 2014, 2015, 2016 and 2017, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).
See other Lexus GS: Fuse Layout Lexus GS450h 2013-2017

  • Cigar lighter (power outlet) fuses in the Lexus GS450h are the fuses #2 “FR P/OUTLET” (Front Power outlet) and #3 “RR P/OUTLET” (Rear Power outlet) in the Passenger Compartment Fuse Box №2.

Passenger Compartment Fuse Box №1
Fuse box location
The fuse box is located under the left side of the instrument panel, under the lid.

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Assignment of the fuses in the Passenger Compartment Fuse Box №1


| ****

Name

| 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, Blind Spot Monitor buzzercleaner


| ****

Name

| 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 rearview 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, Blind Spot Monitor buzzer cleaner

Passenger Compartment Fuse Box №2

Fuse box location
It is located under the right side of the instrument panel, under the lid.

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Fuse box diagram

Assignment of the fuses in the Passenger Compartment Fuse Box №2


| ****

Name

| 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


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
6| STRG HTR| 15| Heated steering wheel
7| WASH| 20| Windshield washer
8| RH ECU-IG| 10| 2013: Navigation system, pre-collision seat belts, air conditioning system, ECB, Lexus night view, yaw rate and G sensor


2014: Navigation system, pre-collision seat belts, air conditioning system, brake system, Lexus night view, yaw rate and G sensor, capacitor


2015: Navigation system, VGRS, pre-collision seat belts, air conditioning system, brake system, Lexus night view, yaw rate and G sensor, capacitor, Dynamic rear steering

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, DCM, head-up display, RR CTRL, Remote Touch screen, navigation system, clock, transmission

Engine Compartment Fuse Box

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Fuse box location
The fuse box is located in the engine compartment (on the left side). Assignment of the fuses in the Engine Compartment Fuse Box


| ****

Name

| 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


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
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| VGRS, 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


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
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| 2013: ECB


2014-2015: 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| 2013-2014: No circuit


2015: VGRS

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


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
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/DC 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| 2013-2014: RH-J/B DC/DC, P/I DC/DC


2015: RH-J/B DC/DC, P/I DC/DC, LH-J/B DC/DC, LUG-J/B 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


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
45| H-LP CLN| 30| 2013-2014: Headlight cleaner


2015: No circuit

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| 2013: ECB


2014-2015: 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
55| FILTER| 10| Condenser
57| A/C W/P| 7,5| Air conditioning system
58| SPARE| 10| Spare fuse


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
59| SPARE| 30| Spare fuse
60| SPARE| 20| Spare fuse

Luggage Compartment Fuse Box

Fuse box location
It is located in the left side of the luggage compartment, behind the cover.

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Fuse box diagram

Assignment of the fuses in the trunk


| ****

Name

| 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 witti 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| ACINV (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


| ****

Name

| Ampere rating [A]| ****

Circuit protected

---|---|---|---
17| BACK UP| 7,5| 2013-2014: Back-up lights


2015-: Back-up lights, Remote Touch screen

Fusible Link Block
It is located on the upper part of the 12-volt battery in the trunk Pull the strap upwards to lift up the 12-volt battery cover

Name 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 2013-2014: No circuit

__

2015-: Dynamic rear steering

Name Ampere rating [A] Circuit protected
5 MAIN 220 Engine compartment junction block

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References

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