2007 Saturn Aura Fuse Box Diagram

The 2007 Saturn Aura is equipped with multiple fuse boxes that protect various electrical components of the vehicle. Understanding the fuse box diagram is crucial for troubleshooting electrical issues and performing maintenance. This comprehensive guide will walk you through the locations, layouts, and functions of the fuse boxes in your 2007 Saturn Aura.

The Saturn Aura has three main fuse box locations: the instrument panel fuse block, the engine compartment fuse block, and the rear compartment fuse block. Each of these fuse boxes serves different systems and components of the vehicle. Let's start with an overview of the fuse box locations:

Now, let's delve into the details of each fuse box, their layouts, and the components they protect.

Instrument Panel Fuse Block

The instrument panel fuse block is located on the passenger side of the vehicle, on the lower portion of the instrument panel near the floor. This fuse box contains fuses for many of the interior electrical components and some exterior lighting systems.

Fuse Layout and Functions

The instrument panel fuse block contains a variety of mini fuses and a fuse puller tool for easy removal. Here's a breakdown of some key fuses and their functions:

• Fuse 1 (Power Mirrors): Controls the power adjustment for side mirrors
• Fuse 3 (Cruise Control Switch, Passenger Airbag Status Indicator)
• Fuse 4 (Instrument Panel Cluster, Theft Deterrent System)
• Fuse 5 (OnStar)
• Fuse 7 (Airbag - Ignition)
• Fuse 8 (HVAC Control Diagnostic Link Connector - Battery)
• Fuse 10 (Windshield Wiper/Washer Switch)
• Fuse 14 (Audio System)
• Fuse 15 (Interior Lamps)
• Fuse 17 (Power Windows)
• Fuse 20 (Door Locks)

It's important to note that the fuse ratings vary, typically ranging from 5 to 30 amperes. Always replace a blown fuse with one of the same amperage to prevent damage to the electrical system.

Engine Compartment Fuse Block

The engine compartment fuse block is situated on the driver's side of the engine compartment, close to the battery. This fuse box primarily protects engine management systems, cooling fans, and major powertrain components.

Key Components and Fuses

The engine compartment fuse block contains a mix of mini fuses, FMX/JCase fuses, and relays. Some critical fuses and their functions include:

• Fuse 1 (Air Conditioner Clutch)
• Fuse 2 (Electronic Throttle Control)
• Fuse 3 (Engine Control Module IGN 1 - LZ4 engine)
• Fuse 4 (Transmission Control Module Ignition 1)
• Fuse 13 (Engine Control Module BATT - LY7 engine)
• Fuse 14 (Windshield Wiper)
• Fuse 15 (Anti-lock Brake System - IGN 1)
• Fuse 17 (Cooling Fan 1)
• Fuse 18 (Cooling Fan 2)
• Fuse 24 (Anti-lock Brake System)
• Fuse 26 (Starter)

This fuse block also contains several relays for systems like the cooling fans, starter, and powertrain components. The relay layout is typically printed on the fuse box cover for easy reference.

Rear Compartment Fuse Block

The rear compartment fuse block is located in the trunk of the 2007 Saturn Aura. You can access it through the trunk panel on the driver's side of the rear cargo area. This fuse block controls various comfort and convenience features.

Notable Fuses and Their Functions

The rear compartment fuse block includes both fuses and relays. Here are some important fuses:

• Fuse 1 (Passenger Seat Controls)
• Fuse 2 (Driver Seat Controls)
• Fuse 5 (Belt Alternator Starter - BAS)
• Fuse 6 (Park Lamps, Instrument Panel Dimming)
• Fuse 10 (Sunroof Controls)
• Fuse 13 (Audio Amplifier)
• Fuse 14 (Heated Seat Controls)
• Fuse 16 (Remote Keyless Entry System, XM Satellite Radio)
• Fuse 20 (Auxiliary Power Outlets)
• Fuse 22 (Trunk Release)
• Fuse 23 (Rear Defog)
• Fuse 25 (Fuel Pump)

The rear compartment fuse block also houses relays for functions like the rear window defogger, park lamps, and fuel pump.

Identifying and Replacing Blown Fuses

Knowing how to identify and replace a blown fuse is essential for maintaining your 2007 Saturn Aura's electrical system. Here's a step-by-step guide:

1. Locate the fuse: Use the fuse box diagrams to find the specific fuse you need to check.

2. Remove the fuse: Use the fuse puller tool provided in the instrument panel fuse block.

3. Inspect the fuse: A blown fuse will have a broken metal strip inside the clear plastic housing.

4. Replace if necessary: If the fuse is blown, replace it with a new fuse of the same amperage.

5. Test the component: After replacing the fuse, test the affected electrical component to ensure it's working properly.

Always keep a selection of spare fuses in your vehicle for emergencies. It's also wise to carry a small flashlight to help you see the fuse box clearly.

Common Electrical Issues and Their Related Fuses

Understanding which fuses correspond to specific electrical components can help you quickly diagnose and resolve issues. Here are some common problems and their related fuses:

• Power windows not working: Check Fuse 17 in the instrument panel fuse block
• Radio or audio system failure: Inspect Fuse 14 in the instrument panel fuse block
• Windshield wipers inoperative: Look at Fuse 14 in the engine compartment fuse block
• Headlights not functioning: Check Fuses 7, 9, 11, and 12 in the engine compartment fuse block
• Door locks not responding: Examine Fuse 20 in the instrument panel fuse block
• Heated seats not working: Inspect Fuse 14 in the rear compartment fuse block

Remember that electrical issues can sometimes be caused by problems other than blown fuses, such as faulty relays or wiring issues. If replacing a fuse doesn't solve the problem, it's best to consult a professional mechanic.

Maintaining Your Fuse Boxes

Proper maintenance of your fuse boxes can prevent electrical issues and extend the life of your vehicle's components. Here are some tips:

• Regularly inspect fuse boxes for signs of corrosion or water damage
• Keep fuse box covers securely closed to protect against moisture and debris
• Clean the fuse boxes periodically with a dry cloth or compressed air
• Replace any corroded fuse holders to ensure good electrical contact
• Update your owner's manual with any fuse replacements or changes you make

By following these maintenance practices, you can ensure that your 2007 Saturn Aura's electrical system remains in top condition.

FAQs About 2007 Saturn Aura Fuse Box Diagram

• Where is the main fuse box located in a 2007 Saturn Aura?
  The main fuse box, called the instrument panel fuse block, is located on the passenger side of the instrument panel, near the floor.
• How do I know if a fuse is blown in my Saturn Aura?
  A blown fuse will have a broken metal strip visible inside the clear plastic housing when inspected.
• Can I replace a fuse with one of a different amperage?
  No, always replace a fuse with one of the same amperage to prevent damage to the electrical system.
• What should I do if replacing a fuse doesn't solve the electrical problem?
  If replacing the fuse doesn't work, consult a professional mechanic as the issue may be more complex.
• How often should I check the fuses in my 2007 Saturn Aura?
  It's a good practice to check your fuses annually or whenever you experience an electrical issue with your vehicle.

Understanding your 2007 Saturn Aura's fuse box diagram is crucial for maintaining your vehicle's electrical system. By familiarizing yourself with the locations and functions of various fuses, you can quickly diagnose and resolve many common electrical issues. Remember to always use caution when working with your vehicle's electrical components, and don't hesitate to seek professional help for complex problems. Regular maintenance and proper fuse management will help keep your Saturn Aura running smoothly for years to come.