Engine Room Relay Block And Engine Room Junction Block
WARNING: This page is about a different car, the 2010 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
Engine Compartment Left (See Figure)
Inner Circuit (See Engine Room R/B and Engine Room J/B Inner Circuit
ENGINE ROOM R/B AND J/B RELAY IDENTIFICATION
| RELAY DESCRIPTION |
|---|
| MGC Relay |
| ST Relay |
| ST CUT Relay |
| IG2 Relay |
| RR DEF Relay |
| BRK Relay |
| VSC No. 1 Relay |
| VSC No. 2 Relay |
| Fan Main Relay |
ENGINE ROOM R/B AND J/B FUSE IDENTIFICATION LEGEND
| Fuse | System | |
|---|---|---|
| 7.5A | ALT-S | Charging |
| 7.5A | AM2 | Electronically Controlled Transmission and A/T Indicator |
| Engine Control | ||
| Ignition | ||
| Smart Access System with Push-Button Start | ||
| 7.5A | S-HORN | LEXUS ENFORM or Safety Connect |
| Smart Access System with Push-Button Start | ||
| Theft Deterrent | ||
| 10A | DOME | ABS, TRAC and VSC |
| Adaptive Front-Lighting System | ||
| Air Conditioning | ||
| Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor) | ||
| Audio System (w/o LEXUS Navigation System) | ||
| Clock (w/ LEXUS Navigation System) | ||
| Combination Meter | ||
| Cooling Fan | ||
| Cruise Control | ||
| Door Lock Control | ||
| Dynamic Radar Cruise Control | ||
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| Front Fog Light | ||
| Garage Door Opener | ||
| Headlight | ||
| Illumination | ||
| Interior Light | ||
| LEXUS ENFORM or Safety Connect | ||
| Parking Assist (Intuitive Parking Assist) | ||
| Pre-Collision System | ||
| Rear Sunshade | ||
| Rear Window Defogger and Mirror Heater | ||
| Seat Belt Warning | ||
| Sliding Roof | ||
| Smart Access System with Push-Button Start | ||
| SRS | ||
| Stop Light | ||
| Taillight | ||
| 10A | DOME | Theft Deterrent |
| Tire Pressure Warning System | ||
| Wiper and Washer | ||
| 10A | E-ACM | Engine Control |
| 10A | ECU-B NO. 1 | ABS, TRAC and VSC |
| Multiplex Communication System (CAN) | ||
| Power Seat (Driver's Seat w/ Seat Position Memory) | ||
| Power Seat (Front Passenger's Seat w/ Seat Position Memory) | ||
| Power Tilt and Power Telescopic | ||
| Remote Control Mirror | ||
| 10A | EFI NO. 1 | Cruise Control |
| Dynamic Radar Cruise Control | ||
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| Smart Access System with Push-Button Start | ||
| Theft Deterrent | ||
| 10A | EFI NO. 3 | Engine Control |
| 10A | ETCS | Cruise Control |
| Dynamic Radar Cruise Control | ||
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| 10A | HORN | Horn |
| Smart Access System with Push-Button Start | ||
| Theft Deterrent | ||
| 10A | MPX-B | ABS, TRAC and VSC |
| Adaptive Front-Lighting System | ||
| Air Conditioning | ||
| Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor) | ||
| Audio System (w/o LEXUS Navigation System) | ||
| Combination Meter | ||
| Cooling Fan | ||
| Cruise Control | ||
| Door Lock Control | ||
| Dynamic Radar Cruise Control | ||
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| Front Fog Light | ||
| Headlight | ||
| Illumination | ||
| 10A | MPX-B | LEXUS ENFORM or Safety Connect |
| Parking Assist (Intuitive Parking Assist) | ||
| Pre-Collision System | ||
| Rear Sunshade | ||
| Rear Window Defogger and Mirror Heater | ||
| Seat Belt Warning | ||
| Sliding Roof | ||
| Smart Access System with Push-Button Start | ||
| SRS | ||
| Stop Light | ||
| Taillight | ||
| Tire Pressure Warning System | ||
| Wiper and Washer | ||
| 15A | A/C CTRL PNL | Air Conditioning |
| Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor) | ||
| 15A | EFI NO. 2 | Cruise Control |
| Dynamic Radar Cruise Control | ||
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| 15A | HAZ | Turn Signal and Hazard Warning Light |
| 15A | H-LP (LH) | Headlight |
| 15A | H-LP (LL) | Headlight |
| 15A | H-LP (RH) | Headlight |
| 15A | H-LP (RL) | Headlight |
| 15A | RADIO NO. 1 | Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor) |
| Audio System (w/o LEXUS Navigation System) | ||
| LEXUS ENFORM or Safety Connect | ||
| 20A | A/F | Engine Control |
| 20A | IG2 | Combination Meter |
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| Ignition | ||
| Smart Access System with Push-Button Start | ||
| 20A | STR LOCK | Smart Access System with Push-Button Start |
| 25A | DOOR NO. 1 | Automatic Light Control |
| Door Lock Control | ||
| Front Fog Light | ||
| Headlight | ||
| 25A | DOOR NO. 1 | Illumination |
| Interior Light | ||
| Light Auto Turn Off System | ||
| Luggage Compartment Door Opener | ||
| Power Window | ||
| Remote Control Mirror | ||
| Smart Access System with Push-Button Start | ||
| Taillight | ||
| Theft Deterrent | ||
| 30A | ABS No. 2 | ABS, TRAC and VSC |
| Dynamic Radar Cruise Control | ||
| 30A | AMP | Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor) |
| 30A | AMP2 | Audio System (w/ LEXUS Navigation System), LEXUS Navigation System and Parking Assist (Rear View Monitor) |
| Audio System (w/o LEXUS Navigation System) | ||
| 30A | EFI MAIN | Cruise Control |
| Dynamic Radar Cruise Control | ||
| Electronically Controlled Transmission and A/T Indicator | ||
| Engine Control | ||
| 30A | P-P/SEAT | Power Seat (Front Passenger's Seat w/ Seat Position Memory) |
| Power Seat (Front Passenger's Seat w/o Seat Position Memory) | ||
| 30A | PSB | Pre-Collision System |
| 30A | ST | Smart Access System with Push-Button Start |
| 50A | ABS No. 1 | ABS, TRAC and VSC |
| Dynamic Radar Cruise Control | ||
| 50A | FAN MAIN | Cooling Fan |
| 50A | HTR | Air Conditioning |
| 50A | RR DEF | Rear Window Defogger and Mirror Heater |
| 140A | ALT | Automatic Light Control |
| Charging | ||
| Front Fog Light | ||
| Illumination | ||
| Light Auto Turn Off System | ||
| Smart Access System with Push-Button Start | ||
| Taillight | ||
| Theft Deterrent | ||
Unit D
Engine Compartment Left (See Figure)
Inner Circuit (See Engine Room R/B and Engine Room J/B Inner Circuit