Engine Compartment Junction & Relay Blocks
WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Relay block is located in engine compartment. See Fig 1. For description of electrical power distribution, see Fig 2.
Component Locations
- Engine compartment relay block is located at left center of engine compartment. See Fig 1. Relay block contains fuses and relays. For identification of components, see Fig 3. For identification of protected circuits, see table below. For wiring diagrams of engine compartment relay block circuits, see POWER DISTRIBUTION in SYSTEM WIRING DIAGRAMS article.
ENGINE COMPARTMENT RELAY BLOCK FUSE RELAY IDENTIFICATION
| RELAY DESCRIPTION |
|---|
| EFI Relay |
| Fuel PUMP Relay (2UZ-FE) |
| Head Relay |
| Heater Relay |
| Starter Relay |
| PWR Outlet Relay |
| Dimmer Relay |
| DRL Relay |
| Fog Relay |
| C/OPN Relay |
ENGINE COMPARTMENT RELAY BLOCK FUSE IDENTIFICATION LEGEND
| Fuse | System | |
|---|---|---|
| 5A | ST2 | Electronically Controlled Transmission and A/T Indicator (2UZ-FE) Electronically Controlled Transmission and A/T Indicator (5VZ-FE) Engine Control (2UZ-FE) Engine Control (5VZ-FE) Starting |
| 7.5A | ALT-S | Charging |
| 7.5A | DRL | Headlight (w/ Daytime Running Light) |
| 7.5A | OBD | Engine Control (2UZ-FE) Engine Control (5VZ-FE) |
| 10A | A/C | Air Conditioning Integration Control and Panel |
| 10A | EFI NO.2 | Engine Control (2UZ-FE) |
| 10A | HEAD (HI LH) | Headlight (w/ Daytime Running Light) |
| 10A | HEAD (HI RH) | Headlight (w/ Daytime Running Light) |
| 10A | HEAD (LH) | Fog Light (w/o Daytime Running Light) Headlight (w/o Daytime Running Light) |
| 10A | HEAD (RH) | Fog Light (w/o Daytime Running Light) Headlight (w/o Daytime Running Light) |
| 10A | HEAD (LO LH) | Fog Light (w/ Daytime Running Light) Headlight (w/ Daytime Running Light) |
| 10A | HEAD (LO RH) | Headlight (w/ Daytime Running Light) |
| 15A | DOME | Clock Combination Meter Door Lock Control Headlight (w/ Daytime Running Light) Integration Control and Panel Interior Light Key Reminder and Seat Belt Warning Radio and Player |
| 15A | EFI NO.1 | Electronically Controlled Transmission and A/T Indicator (5VZ-FE) Engine Control (5VZ-FE) |
| 15A | ETCS | Cruise Control (2UZ-FE) Engine Control (2UZ-FE) |
| 15A | POWER OUTLET1 | Cigarette Lighter and Power Outlet |
| 15A | POWER OUTLET2 | Cigarette Lighter and Power Outlet |
| 20A | EFI NO.1 | Cruise Control (2UZ-FE) Electronically Controlled Transmission and A/T Indicator (2UZ-FE) Engine Control (2UZ-FE) |
| 20A | FR FOG | Fog Light (w/ Daytime Running Light) Fog Light (w/o Daytime Running Light) |
| 40A | ABS1 | ABS |
| 40A | ABS2 | ABS |
| 40A | AM1 | Starting |
| 30A | AM2 | Engine Control (2UZ-FE) Engine Control (5VZ-FE) Ignition (2UZ-FE) Ignition (5VZ-FE) Starting |
| 50A | HTR | Air Conditioning |
| 50A | J/B | Illumination Taillight |
| 120A | ALT | Charging Cigarette Lighter and Power Outlet Starting |