LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> GS 450h >> Repair and Diagnosis (Single Page) >> Electrical >> Fuses & Circuit Breakers >> OEM Junction Block, Ecu & Fuse/Relay Locations >> Relay Block Identification >> Engine Room Relay Block No. 1 And Engine Room Junction Block No. 1: Unit B And Unit C >> Inner Circuit - Unit B
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inner Circuit - Unit B

Fig 1: Engine Room R/B And J/B No. 1 Fuse Identification - Unit B (1 Of 2)
G07613683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Engine Room R/B And J/B No. 1 Fuse Identification Legend

Fuse System
7.5A DOME Active Stabilizer Suspension System
Adaptive Front-Lighting System
Automatic Glare-Resistant EC Mirror with Compass and Garage Door Opener
Combination Meter
Cruise Control
Dynamic Radar Cruise Control
Engine Control
Front Fog Light
Headlight
Headlight Beam Level Control
Hybrid System and Shift Control System
Illumination
Interior Light
Luggage Compartment Door Opener and Closer
Parking Assist (Intuitive Parking Assist)
Pre-Collision System
Push-Button Start, Hybrid Vehicle Immobiliser and Steering Lock
Sliding Roof
Taillight
Tire Pressure Warning System
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
VGRS System
Wireless Door Lock Control
7.5A IGCT NO. 2 Hybrid System and Shift Control System
7.5A IGCT NO. 3 Hybrid System and Shift Control System
7.5A MPX-B Active Stabilizer Suspension System
Adaptive Front-Lighting System
Audio System, LEXUS Navigation System, Multi Display and Parking Assist (Rear View Monitor)
Automatic Light Control
Back-Up Light
Combination Meter
Cruise Control
Door Lock Control
Dynamic Radar Cruise Control
Electronic Modulated Suspension
Engine Control
EPS
7.5A MPX-B Front Fog Light
Front Wiper and Washer
Headlight
Headlight Beam Level Control
Horn
Hybrid System and Shift Control System
Illumination
Interior Light
Light Auto Turn Off System
Luggage Compartment Door Opener and Closer
Mirror Heater
Multiplex Communication System (AVC-LAN)
Multiplex Communication System (BEAN)
Multiplex Communication System (CAN)
Parking Assist (Intuitive Parking Assist)
Power Seat (Driver's Seat)
Power Seat (Front Passenger's Seat)
Power Tilt and Power Telescopic
Power Window
Pre-Collision System
Push-Button Start, Hybrid Vehicle Immobiliser and Steering Lock
Rear Sunshade
Remote Control Mirror
Seat Belt Warning
Sliding Roof
SRS
Taillight
Theft Deterrent
Tire Pressure Warning System
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
VGRS System
Wireless Door Lock Control
10A ABS MAIN1 Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
10A ABS MAIN2 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
10A ABS MAIN3 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
10A ECU-B Electronic Modulated Suspension
EPS
10A ECU-B Fuel Lid Opener
Headlight Cleaner
LEXUS Link System (Mayday System)
Parking Assist (Intuitive Parking Assist)
Rear Sunshade
Remote Control Mirror
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
VGRS System
10A EFI NO. 2 Engine Control
10A ETCS Cruise Control
Dynamic Radar Cruise Control
Engine Control
10A FR TAIL Automatic Light Control
Light Auto Turn Off System
Taillight
Theft Deterrent
Wireless Door Lock Control
10A HORN Horn
LEXUS Link System (Mayday System)
Theft Deterrent
Wireless Door Lock Control
10A IG2 Combination Meter
Engine Control
Ignition
10A INV W/P Hybrid System and Shift Control System
10A RELIEF VLV Engine Control
15A A/F Engine Control
15A FR FOG Front Fog Light
15A H-LP L LWR Headlight
15A H-LP R LWR Headlight
15A TURN-HAZ Turn Signal and Hazard Warning Light
20A BATT FAN Hybrid System and Shift Control System
20A H-LP UPR Headlight
Theft Deterrent
20A IGCT NO. 1 Cruise Control
Dynamic Radar Cruise Control
Hybrid System and Shift Control System
20A INJ Engine Control
20A WASHER Front Wiper and Washer
25A DEICER Front Window Deicer
25A EFI Cruise Control
Dynamic Radar Cruise Control
Engine Control
25A F/PMP Engine Control
30A ABS MOTOR Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
30A ABS2 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
30A H-LP CLN Headlight Cleaner
30A MAIN Automatic Light Control
Headlight
LEXUS Link System (Mayday System)
Light Auto Turn Off System
Theft Deterrent
Wireless Door Lock Control
30A RAD NO. 1 Audio System, LEXUS Navigation System, Multi Display and Parking Assist (Rear View Monitor)
30A RAD NO. 2 Audio System, LEXUS Navigation System, Multi Display and Parking Assist (Rear View Monitor)
30A STB-AM Active Stabilizer Suspension System
40A VGRS VGRS System
50A DEFOG Rear Window Defogger
50A HEATER Air Conditioning
60A OIL PMP Hybrid System and Shift Control System
60A RAD FAN Cooling Fan
80A EPS EPS
80A LH J/B-AM Climate Control Seat
Illumination
Seat Heater
80A RR J/B Rear Sunshade
140A DC/DC Hybrid System and Shift Control System
Fig 2: Engine Room R/B And J/B No. 1 Connector Locations - Unit B (2 Of 2)
G07613684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002