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Engine Room Relay Block Assembly And Engine Room Junction Block Assembly

Front Fender Apron LH  (See Figure)

Fig 1: Engine Room R/B And J/B Fuse & Relay Identification (1 Of 2)
G07573642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ENGINE ROOM R/B AND J/B RELAY IDENTIFICATION

RELAY DESCRIPTION
Air SUS Relay
Deicer Relay
IG1 Relay
MG/CLT Relay
ST Relay
EFI Main Relay
C/OPN Relay
IG2 Relay
F/PM Relay
RR DEF Relay
RDI Fan No.1 Relay
Engine Room R/B And J/B Fuse Identification Legend

Fuse System
7.5A AFS Adaptive Front-Lighting System or Headlight Beam Level Control
7.5A ALT-S Charging
7.5A AM2 Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
7.5A BK/UP LP 4WD
Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
Back-Up Light
Brake Control System (Vehicle Dynamics Integrated Management/ABS, Brake Assist, EBD, Hill-Start Assist Control, TRAC and VSC)
Cruise Control
Door Lock Control
Dynamic Radar Cruise Control
Engine Control, Electronically Controlled Transmission and A/T Indicator
Parking Assist (Back Guide Monitor/Rear View Monitor, Side Monitor and Intuitive Parking Assist)
Parking Assist (Intuitive Parking Assist w/o Side Monitor)
Parking Assist (Rear View Monitor w/o LEXUS Navigation System)
Power Back Door
Power Seat (Driver's Seat w/ Seat Position Memory)
Power Tilt and Power Telescopic
Remote Control Mirror
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
7.5A ECU-B NO. 2 Air Conditioning
Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
Audio System (w/o LEXUS Navigation System)
Door Lock Control
Power Window
Remote Control Mirror
Seat Belt Warning
SRS
Theft Deterrent
7.5A HEATER NO. 2 Air Conditioning
Front Window Deicer
Rear Window Defogger and Mirror Heater
7.5A IMMOBI Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
7.5A MAYDAY/TEL LEXUS ENFORM or Safety Connect
7.5A S-HORN Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
Theft Deterrent
7.5A STOP 4WD
Air Suspension
Brake Control System (Vehicle Dynamics Integrated Management/ABS, Brake Assist, EBD, Hill-Start Assist Control, TRAC and VSC)
Cruise Control
Dynamic Radar Cruise Control
Engine Control, Electronically Controlled Transmission and A/T Indicator
Pre-Collision System
Shift Lock
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
Stop Light
Trailer Towing
7.5A WIP-S Dynamic Radar Cruise Control
10A BIXENON Headlight
10A DOME Interior Light
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
Theft Deterrent
10A ECU IG1 Adaptive Front-Lighting System or Headlight Beam Level Control
Air Suspension
Brake Control System (Vehicle Dynamics Integrated Management/ABS, Brake Assist, EBD, Hill-Start Assist Control, TRAC and VSC)
Cooling Fan
Dynamic Radar Cruise Control
Headlight Cleaner
Pre-Collision System
10A ECU-B NO. 1 4WD
Adaptive Front-Lighting System or Headlight Beam Level Control
Air Conditioning
Air Suspension
Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
Audio System (w/o LEXUS Navigation System)
Automatic Light Control and Light Auto Turn Off System
Brake Control System (Vehicle Dynamics Integrated Management/ABS, Brake Assist, EBD, Hill-Start Assist Control, TRAC and VSC)
Charging
Combination Meter
Cruise Control
Door Lock Control
Dynamic Radar Cruise Control
Engine Control, Electronically Controlled Transmission and A/T Indicator
EPS
Front Fog Light
Front Wiper and Washer (w/ Auto Wiper System)
Garage Door Opener
Headlight
Headlight Cleaner
Illumination
Interior Light
LEXUS ENFORM or Safety Connect
Parking Assist (Intuitive Parking Assist w/o Side Monitor)
Power Back Door
Power Seat (Driver's Seat w/ Seat Position Memory)
Power Tilt and Power Telescopic
Power Window
Pre-Collision System
Rear Window Defogger and Mirror Heater
Remote Control Mirror
Seat Belt Warning
Sliding Roof
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
SRS
Taillight
Theft Deterrent
Tire Pressure Warning System
Turn Signal and Hazard Warning Light
10A EFI NO. 1 Cruise Control
Dynamic Radar Cruise Control
Engine Control, Electronically Controlled Transmission and A/T Indicator
10A EFI NO. 2 Engine Control, Electronically Controlled Transmission and A/T Indicator
10A ETCS Cruise Control
Dynamic Radar Cruise Control
Engine Control, Electronically Controlled Transmission and A/T Indicator
10A HORN Horn
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
Theft Deterrent
10A IGN Combination Meter
Engine Control, Electronically Controlled Transmission and A/T Indicator
Ignition
10A RAD NO. 1 Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
Parking Assist (Back Guide Monitor/Rear View Monitor, Side Monitor and Intuitive Parking Assist)
15A F/PMP Engine Control, Electronically Controlled Transmission and A/T Indicator
15A HAZ Trailer Towing
Turn Signal and Hazard Warning Light
15A H-LP LH HI Headlight
15A H-LP LH LO Headlight
15A H-LP RH HI Headlight
15A H-LP RH LO Headlight
15A RAD NO. 3 Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
Audio System (w/o LEXUS Navigation System)
Parking Assist (Back Guide Monitor/Rear View Monitor, Side Monitor and Intuitive Parking Assist)
20A A/F Engine Control, Electronically Controlled Transmission and A/T Indicator
20A STR LOCK Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
25A DEICER Front Window Deicer
25A IP J/B Door Lock Control
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
30A ABS NO. 2 Brake Control System (Vehicle Dynamics Integrated Management/ABS, Brake Assist, EBD, Hill-Start Assist Control, TRAC and VSC)
Dynamic Radar Cruise Control
30A AMP1 Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
Audio System (w/o LEXUS Navigation System)
30A AMP2 Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor w/ LEXUS Navigation System)
30A EFI MAIN Cruise Control
Dynamic Radar Cruise Control
Engine Control, Electronically Controlled Transmission and A/T Indicator
30A H-LP CLN Headlight Cleaner
30A PBD Interior Light
Power Back Door
Theft Deterrent
30A ST Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
30A TOWING Trailer Towing
50A ABS NO. 1 Brake Control System (Vehicle Dynamics Integrated Management/ABS, Brake Assist, EBD, Hill-Start Assist Control, TRAC and VSC)
Dynamic Radar Cruise Control
50A AIR SUS Air Suspension
50A HEATER Air Conditioning
50A PD Automatic Light Control and Light Auto Turn Off System
Headlight
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
Theft Deterrent
50A RR DEF Rear Window Defogger and Mirror Heater
60A EPS EPS
80A RDI FAN NO. 1 Cooling Fan
140A ALT Automatic Light Control and Light Auto Turn Off System
Charging
Front Fog Light
Illumination
Smart Access System with Push-Button Start, Back Door Opener (w/o Power Back Door) and Remote Engine Starter System
Taillight
Theft Deterrent
Trailer Towing
Fig 2: Engine Room R/B And J/B Relay Locations (2 Of 2)
G07573643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002