2021 Honda CR-V Fuse Box Diagram & Amperage

Quick answer

The 2021 Honda CR-V features two main fuse box locations: one under the hood in the engine compartment and another inside the cabin, typically located on the driver's side under the dashboard.

Under-Hood Fuse Box

The under-hood fuse box is located in the engine compartment, usually near the battery. It contains fuses for critical engine components, headlights, and other high-current circuits. Always refer to the diagram on the fuse box lid for the most accurate information for your specific trim.

Under-Hood Relays:

• Fuel Pump Relay: Typically near the fuel pump fuse, controls power to the fuel pump.
• Ignition Relay: Powers various ignition components.
• Starter Relay: Engages the starter motor.
• Headlight Relays: Separate relays for low and high beams.
• Fan Relays: For the radiator and condenser fans.
• A/C Clutch Relay: Activates the air conditioning compressor clutch.

Interior Fuse Box (Driver's Side Kick Panel)

The interior fuse box is located on the driver's side, typically behind a cover near the kick panel or beneath the dashboard. This box handles fuses for various creature comforts, interior lights, power outlets, and entertainment systems. Always refer to the diagram on the fuse box cover for the most accurate information for your specific trim.

Interior Relays:

• Accessory Relay: Controls power to accessory outlets.
• Power Window Relay: For the power window system.
• Door Lock Relay: Operates the central locking system.

How to test a fuse

Testing a fuse is a straightforward process. Here's a common method:

1. Locate the fuse box: Refer to the Quick Answer section above to find the correct fuse box.
2. Identify the suspected fuse: Use the fuse box diagram (either from your owner's manual or the fuse box lid) to locate the fuse for the component that isn't working.
3. Visual inspection: Many modern fuses have a clear plastic body. Look for a broken wire or burnt appearance inside the fuse. If you see this, the fuse is blown.
4. Use a fuse tester: For a more definitive test, you can use a fuse tester. These inexpensive tools typically have two prongs. With the ignition off, touch one prong to each metal contact on top of the fuse. If the tester lights up (or beeps, depending on the model), the fuse is good. If it doesn't, the fuse is blown.
5. Remove and replace (if necessary): If a fuse is blown, carefully pull it straight out using a fuse puller (often found in the fuse box) or small needle-nose pliers. Replace it with a new fuse of the exact same amperage rating and type. Never substitute a fuse with a higher amperage, as this can lead to serious electrical damage or fire.

Common blown fuses on this vehicle

While any fuse can blow, some are more commonly encountered on vehicles like the 2021 Honda CR-V due to general wear, accessory usage, or specific component issues. If you're experiencing an electrical problem, consider checking these first:

• Cigar Lighter / 12V Accessory Outlets: These fuses (typically 15A blue in the interior fuse box) are frequent victims of overloading from phone chargers, portable air compressors, or other accessories drawing too much power.
• Radio / Infotainment System: If your radio or display stops working, check the 10A red fuse in the interior fuse box. Sometimes, issues with aftermarket accessories or even a momentary short can cause this.
• Blower Motor: A non-functioning climate control fan often points to a blown blower motor fuse (20A yellow in the under-hood fuse box). This can be caused by the motor drawing too much current, especially if it's struggling or has resistance.
• Headlights / Tail Lights: While less common for both to go out at once from a fuse, losing one side's headlights or tail lights (10A red or 15A blue in the under-hood fuse box) warrants checking the respective fuse. A damaged bulb or wiring issue could cause it.

Before replacing a fuse, especially if it's one for a critical system like the ECM or fuel pump, consider what might have caused the fuse to blow. If a newly replaced fuse blows immediately, there's likely a short circuit or a component drawing excessive current, and further diagnosis by a professional is recommended.

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