Engine Room Relay Block Assembly And Engine Room Junction Block Assembly
WARNING: This page is about a different car, the 2008 Lexus LX 570. However, it is still accessible from the selected car via links, so may be relevant.
Engine Compartment Left (See Figure)
ENGINE ROOM R/B AND J/B RELAY IDENTIFICATION
| RELAY NUMBER | RELAY DESCRIPTION |
|---|---|
| *1 | Defog Relay |
| *2 | SUB BATT Relay |
| *3 | TOP Tail Relay |
| *4 | IG1 No. 5 Relay |
| *5 | EFI No. 2 Relay |
| *6 | DLR No. 3 or RR A/C Relay |
| *7 | ST Relay |
| *8 | C/OPN Relay |
| *9 | Security Horn Relay |
| *10 | FR Fog Relay |
| *11 | PTC HTR1 Relay |
| *12 | ST CUT Relay |
| *13 | CDS Fan Relay |
| *14 | PTC HTR2 Relay |
| *15 | BRK LP Relay |
| *16 | MIG CLT Relay |
| *17 | Deicer Relay |
| *18 | PTC HTR3 Relay |
| *19 | DRL No. 4 Relay |
| *20 | Head HI Relay |
| *21 | Head LO Relay |
| *32 | AHC Relay |
Engine Room R/B And J/B Fuse Identification Legend
| Fuse | System | |
|---|---|---|
| 5A | ALT-S | Charging |
| 5A | AM2 | Adaptive Front-Lighting System |
| Automatic Light Control and Light Auto Turn Off System | ||
| Door Lock Control | ||
| Front Fog Light | ||
| Headlight | ||
| Interior Light | ||
| LEXUS Link System (Mayday System) | ||
| Power Back Door | ||
| Power Window | ||
| Rear Wiper and Washer | ||
| Remote Control Mirror | ||
| Sliding Roof | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| Taillight and Illumination | ||
| 5A | DEF NO. 2 | Rear Window Defogger and Mirror Heater |
| 5A | DOME1 | Interior Light |
| 5A | ECU-B1 | ABS, Brake Assist, Crawl, EBD, Hill-Start Assist Control, A-TRAC and VSC |
| Active Height Control Suspension and Adaptive Variable Suspension | ||
| Adaptive Front-Lighting System | ||
| Combination Meter | ||
| Cool Box | ||
| Cruise Control | ||
| Door Lock Control | ||
| Dynamic Radar Cruise Control | ||
| Engine Control, Electronically Controlled Transmission and A/T Indicator | ||
| Front Fog Light | ||
| Front Wiper and Washer | ||
| Garage Door Opener | ||
| Headlight | ||
| Multi Mode 4WD | ||
| Multiplex Communication System (CAN) | ||
| Parking Assist (Rear View Monitor, Wide-View Front & Side Monitor and Intuitive Parking Assist) | ||
| Power Tilt and Power Telescopic | ||
| Pre-Collision System | ||
| Rear Power Seat Control System (for Rear No. 2 Seat with Folding-Up Function) | ||
| Seat Belt Warning | ||
| Sliding Roof | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| SRS | ||
| Taillight and Illumination | ||
| Tire Pressure Warning System | ||
| VGRS System | ||
| 5A | ECU-B2 | Power Back Door |
| Power Seat (Driver's Seat) | ||
| Rear Power Seat Control System (for Rear No. 2 Seat with Folding-Up Function) | ||
| Rear Wiper and Washer | ||
| 5A | MET | ABS, Brake Assist, Crawl, EBD, Hill-Start Assist Control, A-TRAC and VSC |
| Active Height Control Suspension and Adaptive Variable Suspension | ||
| Adaptive Front-Lighting System | ||
| Charging | ||
| Combination Meter | ||
| Cruise Control | ||
| Door Lock Control | ||
| Dynamic Radar Cruise Control | ||
| Engine Control, Electronically Controlled Transmission and A/T Indicator | ||
| Front Fog Light | ||
| Front Wiper and Washer | ||
| Headlight | ||
| Multi Mode 4WD | ||
| Parking Assist (Rear View Monitor, Wide-View Front & Side Monitor and Intuitive Parking Assist) | ||
| Pre-Collision System | ||
| Rear Power Seat Control System (for Rear No. 2 Seat with Folding-Up Function) | ||
| Seat Belt Warning | ||
| Sliding Roof | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| SRS | ||
| Taillight and Illumination | ||
| Tire Pressure Warning System | ||
| VGRS System | ||
| 5A | SECURITY | Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener |
| 5A | TEL | LEXUS Link System (Mayday System) |
| 7.5A | DOME2 | Interior Light |
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| 7.5A | EFI NO. 2 | Engine Control, Electronically Controlled Transmission and A/T Indicator |
| 7.5A | IMB | Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener |
| 7.5A | RSE | Audio System, Multi-Display, LEXUS Navigation System and Parking Assist (Rear View Monitor) |
| 10A | ETCS | Cruise Control |
| Dynamic Radar Cruise Control | ||
| Engine Control, Electronically Controlled Transmission and A/T Indicator | ||
| 10A | HORN | Horn |
| LEXUS Link System (Mayday System) | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| 10A | IGN | ABS, Brake Assist, Crawl, EBD, Hill-Start Assist Control, A-TRAC and VSC |
| Cruise Control | ||
| Dynamic Radar Cruise Control | ||
| Engine Control, Electronically Controlled Transmission and A/T Indicator | ||
| LEXUS Link System (Mayday System) | ||
| Multiplex Communication System (CAN) | ||
| Seat Belt Warning | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| SRS | ||
| 10A | INJ | Engine Control, Electronically Controlled Transmission and A/T Indicator |
| Ignition | ||
| 10A | RAD NO. 1 | Audio System, Multi-Display, LEXUS Navigation System and Parking Assist (Rear View Monitor) |
| Parking Assist (Rear View Monitor, Wide-View Front & Side Monitor and Intuitive Parking Assist) | ||
| 15A | A/F | Engine Control, Electronically Controlled Transmission and A/T Indicator |
| 15A | FR FOG | Front Fog Light |
| 15A | HEAD LH | Headlight |
| 15A | HEAD LL | Headlight |
| 15A | HEAD RH | Headlight |
| 15A | HEAD RL | Headlight |
| 15A | STOP | ABS, Brake Assist, Crawl, EBD, Hill-Start Assist Control, A-TRAC and VSC |
| Active Height Control Suspension and Adaptive Variable Suspension | ||
| Cruise Control | ||
| Dynamic Radar Cruise Control | ||
| Engine Control, Electronically Controlled Transmission and A/T Indicator | ||
| Multi Mode 4WD | ||
| Pre-Collision System | ||
| Shift Lock | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| Stop Light | ||
| Trailer Towing | ||
| 15A | TURN-HAZ | Turn Signal and Hazard Warning Light |
| 20A | DEICER | Front Window Deicer |
| 20A | EFI MAIN 2 | Engine Control, Electronically Controlled Transmission and A/T Indicator |
| 20A | RR S/HTR | Seat Heater (Rear) |
| 20A | STR LOCK | Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener |
| 25A | CDS FAN | Condenser Fan |
| 25A | DOOR NO. 2 | Adaptive Front-Lighting System |
| Automatic Light Control and Light Auto Turn Off System | ||
| Door Lock Control | ||
| Front Fog Light | ||
| Headlight | ||
| Interior Light | ||
| LEXUS Link System (Mayday System) | ||
| Power Back Door | ||
| Power Window | ||
| Rear Wiper and Washer | ||
| Remote Control Mirror | ||
| Sliding Roof | ||
| Taillight and Illumination | ||
| 25A | EFI MAIN | Cruise Control |
| Dynamic Radar Cruise Control | ||
| Engine Control, Electronically Controlled Transmission and A/T Indicator | ||
| 25A | SEAT-A/C LH | Climate Control Seat (Driver's Seat and Front Passenger's Seat) |
| 25A | SEAT-A/C RH | Climate Control Seat (Driver's Seat and Front Passenger's Seat) |
| 30A | ABS2 | ABS, Brake Assist, Crawl, EBD, Hill-Start Assist Control, A-TRAC and VSC |
| Dynamic Radar Cruise Control | ||
| 30A | AMP | Audio System, Multi-Display, LEXUS Navigation System and Parking Assist (Rear View Monitor) |
| 30A | DEFOG | Rear Window Defogger and Mirror Heater |
| 30A | H-LP CLN | Headlight Cleaner |
| 30A | PBD | Power Back Door |
| 30A | RR P/SEAT | Power Seat (Rear No. 1 Seat) |
| 30A | ST | Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener |
| 30A | TOW BRK | Trailer Towing |
| 30A | TOW TAIL | Trailer Towing |
| 30A | TOWING | Trailer Towing |
| 40A | MAIN | Automatic Light Control and Light Auto Turn Off System |
| Headlight | ||
| LEXUS Link System (Mayday System) | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| 40A | SUB BATT | Trailer Towing |
| 40A | VGRS | VGRS System |
| 50A | A/PUMP NO. 1 | Engine Control, Electronically Controlled Transmission and A/T Indicator |
| 50A | A/PUMP NO. 2 | Engine Control, Electronically Controlled Transmission and A/T Indicator |
| 50A | ABS1 | ABS, Brake Assist, Crawl, EBD, Hill-Start Assist Control, A-TRAC and VSC |
| Dynamic Radar Cruise Control | ||
| 50A | HTR | Air Conditioning |
| 50A | PTC-1 | Air Conditioning |
| 50A | PTC-2 | Air Conditioning |
| 50A | PTC-3 | Air Conditioning |
| 50A | RR | AUTO A/C Air Conditioning |
| 60A | AHC | Active Height Control Suspension and Adaptive Variable Suspension |
| 150A | LH-J/B | Automatic Light Control and Light Auto Turn Off System |
| Front Fog Light | ||
| Smart Access System with Push-Button Start, Theft Deterrent and Back Door Opener | ||
| Taillight and Illumination | ||
| Trailer Towing | ||
| 180A | ALT | Charging |
Engine Room R/B And J/B Fuse Identification Legend View B
| See: Engine Room R/B And J/B Fuse Identification Legend |
Engine Room R/B And J/B Fuse Identification Legend View C
| See: Engine Room R/B And J/B Fuse Identification Legend |
Engine Room R/B And J/B Fuse Identification Legend View D
| See: Engine Room R/B And J/B Fuse Identification Legend |
Engine Room R/B And J/B Fuse Identification Legend View E
| See: Engine Room R/B And J/B Fuse Identification Legend |