Check the interior panel under the dashboard first, then inspect the engine compartment module near the battery. These two locations contain all primary circuit links and relays responsible for lighting, ignition, and auxiliary systems. Use the cover legend or stamped markings to match each slot with its function before removing anything.
Always verify amperage ratings printed on each link. Common values include 10A for lighting circuits, 15A for audio or accessory lines, and 30A or higher for motors such as cooling fans or power windows. Installing a higher-rated replacement can damage wiring or connected components.
If a circuit stops working, inspect the metal strip inside the protective element. A broken or darkened strip indicates failure. Replace it with the same rating and recheck operation. If the new part fails again, trace the wiring path for shorts, paying attention to areas near hinges, sharp edges, or aftermarket installations.
Relays in the engine compartment control higher-load systems like fuel delivery and starter operation. Swap identical relay units within the panel to confirm faults without additional tools. Label positions before removal to avoid confusion during reassembly.
Circuit panel layout and component mapping
Open the cabin panel below the steering wheel and match each slot using the printed scheme on the cover; this gives a direct reference for lighting, audio, and accessory circuits without guesswork.
The engine compartment unit near the battery handles higher loads. Use this quick mapping for common systems:
- Headlights and exterior lamps – typically 10A to 15A slots
- Cooling fan and ABS – 30A to 40A links
- Starter relay and ignition control – grouped near the main power feed
- Air conditioning compressor clutch – mid-range 10A to 20A positions
Check numbering stamped on the plastic housing to align each position with its function. If the cover is missing, trace wire colors: red lines usually indicate постоянное питание, while striped wires often lead to switched circuits.
For quick diagnostics, follow this sequence:
- Locate the correct panel based on the affected system
- Identify the slot using the layout marking
- Inspect the metal link inside the protective element
- Replace only with identical amperage rating
Locations of electrical panels and how to reach them
Open the driver side lower dash panel first; the interior module sits behind a small plastic cover to the left of the steering column. Pull the notch on the cover edge to release clips without tools.
This cabin unit handles low and mid load circuits such as interior lighting, radio, and power outlets. Use a flashlight to read slot markings, as labels are molded into dark plastic and can be hard to see in low light.
Move to the engine bay and locate the second module next to the battery. It is enclosed in a rectangular plastic housing with a snap-on lid. Press the side tabs firmly and lift upward to access relays and high-current links.
Do not remove components with the engine running. Turn ignition off and disconnect the negative battery terminal when working with high-amperage sections near the power distribution area.
Access tips for tight spaces
Use needle-nose pliers or the built-in puller tool stored under the cover to remove small elements without damaging surrounding parts. Keep removed pieces organized to avoid mixing ratings.
Quick location reference
Driver footwell – interior circuits
Engine compartment near battery – high load systems like cooling fan, ignition, and ABS