my Tesla Outback makes a whirring noise when I turn the ignition

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

609 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix whirring noise when turning ignition in Tesla Outback. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock.
•Allow components to cool down if the vehicle was recently running.

Symptoms

•Whirring noise upon ignition
•Possible failure to start the engine
•Dashboard warning lights illuminated
•Dim or flickering interior lights
•Unresponsive accessories (radio, air conditioning)

Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Use an OBD-II scanner to check for any stored error codes related to the starting system.
3
Measure the battery voltage with a multimeter to ensure it is within the normal range (12.4 - 12.7 volts when the engine is off).
4
Test the starter motor by attempting to start the vehicle while measuring voltage at the starter terminal.
5
Check the fuses related to the ignition and starting system for any blown fuses.
6
Examine the ignition switch for proper operation and continuity.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Wrench set
•Socket set
•Multimeter
•Screwdriver set
•Battery terminal puller

Parts Required

•New battery (if needed)
•Starter motor (if needed)
•Ignition switch (if needed)

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Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Use an OBD-II scanner to check for any stored error codes related to the starting system.
3
Measure the battery voltage with a multimeter to ensure it is within the normal range (12.4 - 12.7 volts when the engine is off).
4
Test the starter motor by attempting to start the vehicle while measuring voltage at the starter terminal.
5
Check the fuses related to the ignition and starting system for any blown fuses.
6
Examine the ignition switch for proper operation and continuity.

Solution

1. Preparation

Gather all necessary tools and parts.
Make sure the vehicle is in a safe working environment and the parking brake is engaged.
Disconnect the negative terminal of the battery to prevent electrical shock.

2. Battery Inspection

Tools Required: Wrench set
Check the battery terminals for any corrosion. Clean with a wire brush if necessary.
Ensure that the battery terminals are tight and secure.

3. Battery Replacement (if needed)

Tools Required: Wrench set, battery terminal puller
If the battery voltage is low or it fails to hold a charge, remove the old battery:
1. Use a wrench to loosen and remove the negative terminal first, followed by the positive terminal.
2. Remove any securing brackets or clamps holding the battery in place.
3. Carefully lift out the old battery.
Install the new battery:
1. Place the new battery in the battery tray.
2. Reattach the positive terminal first, then the negative terminal.
3. Secure the battery with brackets or clamps as necessary.

4. Starter Motor Inspection

Tools Required: Socket set, multimeter
If the battery is in good condition, inspect the starter motor:
1. Locate the starter motor (usually near the engine block).
2. Check the connections to the starter; clean and tighten as needed.
3. Test the starter motor’s operation by connecting it directly to the battery with jumper cables.
4. If the starter does not engage, replace it.

5. Ignition Switch Inspection

Tools Required: Screwdriver set
If the starter motor is functioning properly, inspect the ignition switch:
1. Remove the steering column cover using a screwdriver.
2. Check the ignition switch for continuity using a multimeter.
3. Replace the ignition switch if it is faulty.