These compact crossovers were produced starting in 2002 at a California plant operated by a joint venture between General Motors and Toyota (NUMMI). Built on the Toyota Corolla platform, the two vehicles feature distinct styling while remaining mechanically identical. This article provides detailed fuse box diagrams and relay layouts for the first-generation Toyota Matrix and Pontiac Vibe (E130 chassis) for model years 2002, 2003, 2004, 2005, 2006, and 2007.
Below you will find the locations, photos, and circuit assignments for the power distribution boxes. Specific callouts are included for key components, such as the cigarette lighter fuse and the fuel pump relay.
Engine Compartment
Located on the left side of the engine compartment near the battery, beneath a protective plastic cover.
| Relay Designation | ||
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| HEAD | Headlamps | |
| M / G | Air conditioning magnetic clutch | |
| DIMMER | Headlamp dimmer switch | |
| EFI | Electronic Fuel Injection system | |
| HORN | Horn relay | |
| FAN | Radiator cooling fan | |
| FOG | Fog lamps | |
Passenger Compartment
Located on the driver's side, under the instrument panel behind a plastic access cover.
Representative layout example.
| Instrument Panel Relay Block (Rear Side) | ||
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| A | Starter relay | |
| B | Rear window defogger relay | |
| C | Pontiac Vibe / Toyota Matrix fuel pump relay | |
| D | Power window relay | |
| E | Ignition relay | |