my Tesla Outback's power mirrors are not adjusting, how do I fix this?

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

527 words

Problem Statement

Learn how to diagnose and fix power mirrors not adjusting in Tesla Outback. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock or short circuits.
•Allow the vehicle to cool before accessing electrical components.

Symptoms

•Power mirror adjustment switch is unresponsive
•No sound or movement when attempting to adjust mirrors
•Check for blown fuses related to power mirrors
•No illumination of mirror adjustment switch
•Possible warning lights on the dashboard related to electrical systems

Diagnostic Steps

1
Inspect the power mirror adjustment switch for any visible damage or debris.
2
Check the vehicle's fuse box for blown fuses associated with the power mirrors.
3
Use a multimeter to test for voltage at the mirror adjustment switch when activated.
4
Inspect wiring harnesses for any signs of wear, disconnection, or corrosion.
5
Remove the door panel to access the mirror motor and check for physical obstructions.
6
Test the mirror motor directly by applying power to see if it operates.

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

•Multimeter
•Screwdriver set
•Trim removal tool
•Wire strippers/crimpers

Parts Required

•Replacement mirror adjustment switch (if faulty)
•Replacement mirror motor (if defective)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the power mirror adjustment switch for any visible damage or debris.
2
Check the vehicle's fuse box for blown fuses associated with the power mirrors.
3
Use a multimeter to test for voltage at the mirror adjustment switch when activated.
4
Inspect wiring harnesses for any signs of wear, disconnection, or corrosion.
5
Remove the door panel to access the mirror motor and check for physical obstructions.
6
Test the mirror motor directly by applying power to see if it operates.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Inspect and Replace the Fuse

Locate the fuse box, typically found under the dashboard or in the engine compartment.
Identify the fuse for the power mirrors using the vehicle’s manual.
Remove the fuse and inspect it for continuity. Replace if blown.
Reconnect the battery and test the mirrors again.

3. Test and Replace the Mirror Adjustment Switch

If the fuse is intact, check the mirror adjustment switch.
Remove the switch from the door panel.
Use a multimeter to test continuity across the switch terminals.
If defective, replace the switch with a new one.
Reinstall the switch and reconnect the battery.

4. Inspect and Fix Wiring

If the switch is functional, check the wiring harness connected to the switch and the mirror.
Look for any signs of frayed wires or disconnections.
Repair or replace any damaged wiring as necessary.

5. Access and Test the Mirror Motor

If the wiring is intact, remove the door panel to access the mirror motor.
Inspect the mirror motor for any obstructions or damage.
Connect the mirror motor directly to a power source to see if it operates.
If the motor is faulty, replace it with a new mirror motor.