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Engine Room Relay Block Assembly No. 1 And Engine Room Junction Block Assembly No. 1 Front Fender Apron LH: Notes

For additional information, refer to Figure.

Fig 1: Engine Room R/B And J/B No. 1 Fuse & Relay Identification
G09117580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ENGINE ROOM R/B AND J/B NO. 1 RELAY IDENTIFICATION

RELAY DESCRIPTION
PTC No. 1 Relay
Oil PMP Relay
Horn Relay
INV W/P Relay
H-PL LO Relay
Fan No. 1 Relay
IGCT Relay
PTC No. 2 Relay
Engine Room R/B And J/B No. 1 Fuse Identification Legend

Fuse System
5A COMB SW Front Wiper and Washer
Lane Keeping Assist
LEXUS Night View System
5A GAUGE Adaptive Front-Lighting System or Headlight Beam Level Control
Adaptive Variable Suspension
Air Conditioning
Audio System, LEXUS Navigation System, Multi-Display and Parking Assist (Rear View Monitor)
Automatic Light Control, Light Auto Turn Off System and Light Reminder
Blind Spot Monitor System
Combination Meter
Cruise Control
Dynamic Radar Cruise Control
Electric Parking Brake
Engine Control
EPS
Front Fog Light
Headlight
Hybrid System and Shift Control System
Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
Illumination and Taillight
Interior Light
Lane Keeping Assist
LEXUS ENFORM or Safety Connect
LEXUS Night View System
Parking Assist (Intuitive Parking Assist)
Pre-Collision System
Seat Belt Warning
Sliding Roof
SRS
Tire Pressure Warning System
Turn Signal and Hazard Warning Light
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
Vehicle Proximity Notification System
5A IG2 NO. 1 LEXUS ENFORM or Safety Connect
Multiplex Communication System (CAN)
5A IGCT NO. 2 Hybrid System and Shift Control System
5A ODS Seat Belt Warning
SRS
5A WASH-S Dynamic Radar Cruise Control
Front Wiper and Washer
Lane Keeping Assist
LEXUS Night View System
7.5A A/C W/P Air Conditioning
7.5A DOME Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
Interior Light
7.5A ECU-B Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
Power Trunk Opener and Closer
7.5A IGCT NO. 3 Hybrid System and Shift Control System
7.5A IGCT NO. 5 Adaptive Front-Lighting System or Headlight Beam Level Control
Audio System, LEXUS Navigation System, Multi-Display and Parking Assist (Rear View Monitor)
Back-Up Light
Cruise Control
Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Dynamic Radar Cruise Control
Electric Parking Brake
Engine Control
Hybrid System and Shift Control System
Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
LEXUS Night View System
Mirror Heater and Remote Control Mirror
Parking Assist (Intuitive Parking Assist)
Power Seat (Driver's Seat 10-Way Seat Position)
Power Seat (Driver's Seat 18-Way Seat Position)
Power Seat (Front Passenger's Seat w/Seat Position Memory)
Power Tilt and Power Telescopic
Rear Sunshade
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
Vehicle Proximity Notification System
7.5A TV Audio System, LEXUS Navigation System, Multi-Display and Parking Assist (Rear View Monitor)
Parking Assist (Intuitive Parking Assist)
7.5A WIP-S Dynamic Radar Cruise Control
Front Wiper and Washer
Lane Keeping Assist
LEXUS Night View System
10A ABS MAIN 1 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
10A ABS MAIN 2 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
10A ABS MAIN 3 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
10A EFI NO. 2 Engine Control
10A EPS-B EPS
10A ETCS Cruise Control
Dynamic Radar Cruise Control
Engine Control
10A HORN Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Horn
10A IGCT NO. 4 Hybrid System and Shift Control System
10A IGN Ignition
10A INJ Combination Meter
Engine Control
10A INV W/P Hybrid System and Shift Control System
10A MPX-B Adaptive Front-Lighting System or Headlight Beam Level Control
Adaptive Variable Suspension
Air Conditioning
Audio System, LEXUS Navigation System, Multi-Display and Parking Assist (Rear View Monitor)
Automatic Glare-Resistant EC Mirror and Garage Door Opener
Automatic Light Control, Light Auto Turn Off System and Light Reminder
Blind Spot Monitor System
Clock
Combination Meter
Cruise Control
Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Dynamic Radar Cruise Control
Electric Parking Brake
Engine Control
EPS
Front Fog Light
Front Wiper and Washer
Fuel Lid Opener
Headlight
Headlight Cleaner
Hybrid System and Shift Control System
Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
Illumination and Taillight
Interior Light
Lane Keeping Assist
LEXUS ENFORM or Safety Connect
LEXUS Night View System
Mirror Heater and Remote Control Mirror
Multiplex Communication System (CAN)
Parking Assist (Intuitive Parking Assist)
Power Seat (Driver's Seat 10-Way Seat Position)
Power Seat (Driver's Seat 18-Way Seat Position)
Power Seat (Front Passenger's Seat w/Seat Position Memory)
Power Tilt and Power Telescopic
Power Trunk Opener and Closer
Power Window
Pre-Collision System
Rear Sunshade
Seat Belt Warning
Seat Heater (Rear)
Sliding Roof
SRS
Tire Pressure Warning System
Turn Signal and Hazard Warning Light
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
Vehicle Proximity Notification System
15A A/F Engine Control
20A EDU Engine Control
20A H-LP LH-LO Headlight
LEXUS Night View System
20A H-LP RH-LO Headlight
LEXUS Night View System
20A IG2 MAIN Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
25A DEICER Front Window Deicer
25A EFI MAIN Cruise Control
Dynamic Radar Cruise Control
Engine Control
25A F/PMP Engine Control
30A ABS NO. 1 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
30A ABS NO. 2 Dynamic Radar Cruise Control
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
30A H-LP CLN Headlight Cleaner
30A H-LP LO Automatic Light Control, Light Auto Turn Off System and Light Reminder
Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Front Fog Light
Headlight
Headlight Cleaner
LEXUS Night View System
30A IGCT NO. 1 Adaptive Front-Lighting System or Headlight Beam Level Control
Audio System, LEXUS Navigation System, Multi-Display and Parking Assist (Rear View Monitor)
Back-Up Light
Cruise Control
Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Dynamic Radar Cruise Control
Electric Parking Brake
Engine Control
Hybrid System and Shift Control System
Hybrid Vehicle Immobilizer System, Smart Access System with Push-Button Start, Starting, Steering Lock and Wireless Door Lock Control
LEXUS Night View System
Mirror Heater and Remote Control Mirror
Parking Assist (Intuitive Parking Assist)
Power Seat (Driver's Seat 10-Way Seat Position)
Power Seat (Driver's Seat 18-Way Seat Position)
Power Seat (Front Passenger's Seat w/Seat Position Memory)
Power Tilt and Power Telescopic
Rear Sunshade
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
Vehicle Proximity Notification System
50A HTR Air Conditioning
50A P/I-B NO. 1 Automatic Light Control, Light Auto Turn Off System and Light Reminder
Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Dynamic Radar Cruise Control
Engine Control
Front Fog Light
Headlight
Illumination and Taillight
Rear Window Defogger
Stop Light
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
Vehicle Proximity Notification System
50A PTC NO. 1 Air Conditioning
50A PTC NO. 2 Air Conditioning
60A OIL PMP Hybrid System and Shift Control System
80A FAN NO. 1 Cooling Fan
80A P/I-B NO. 2 Engine Control
100A P/I DC/DC Automatic Light Control, Light Auto Turn Off System and Light Reminder
Door Lock Control, Luggage Compartment Door Opener and Closer and Theft Deterrent
Dynamic Radar Cruise Control
Front Fog Light
Headlight
Illumination and Taillight
Rear Sunshade
Rear Window Defogger
Vehicle Dynamics Integrated Management (for Hybrid Vehicle)
150A DC/DC Hybrid System and Shift Control System
Fig 2: Engine Room R/B And J/B Assembly No. 1 (Unit A)
G09117581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Engine Room R/B And J/B Assembly No. 1 (Unit B) Fuse Identification
G09117582Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Engine Room R/B And J/B No. 1 Fuse Identification Legend

See: Engine Room R/B And J/B No. 1 Fuse Identification Legend 
Fig 4: Engine Room R/B And J/B Assembly No. 1 (Unit C)
G09117583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002