my Tesla Outback's windshield wipers are not working properly what's wrong

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

478 words

Problem Statement

Learn how to diagnose and fix windshield wipers not working on 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 shocks or shorts.
•Ensure the vehicle is off and cooled down before performing repairs.

Symptoms

•Wipers not moving
•Wipers moving at incorrect speeds
•Wipers only working intermittently
•No sound from wiper motor when activated
•Washer fluid not spraying

Diagnostic Steps

1
Inspect the wiper switch for proper function and signs of damage.
2
Check for blown fuses related to the windshield wiper system.
3
Use an OBD-II scanner to check for any relevant error codes.
4
Test the wiper motor by applying direct power to it.
5
Examine the wiring harness for any visible damage or loose connections.
6
Inspect the wiper linkage for any mechanical failures.

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
•OBD-II scanner
•Socket set
•Screwdrivers

Parts Required

•Windshield wiper motor (if replacement is needed)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the wiper switch for proper function and signs of damage.
2
Check for blown fuses related to the windshield wiper system.
3
Use an OBD-II scanner to check for any relevant error codes.
4
Test the wiper motor by applying direct power to it.
5
Examine the wiring harness for any visible damage or loose connections.
6
Inspect the wiper linkage for any mechanical failures.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the vehicle battery to ensure safety.

Tools Required:

Multimeter
OBD-II scanner
Socket set
Screwdrivers

2. Check and Replace Fuses

Locate the fuse box (refer to owner’s manual for specific location).
Identify the wiper fuse using the diagram on the fuse box cover.
Pull the fuse using a fuse puller and visually inspect it.
If blown, replace it with a fuse of the same amperage.

3. Inspect and Replace Wiper Motor

Remove the wiper arms using a puller tool if necessary.
Detach the wiper motor from its mounting location.
Disconnect the wiring harness from the wiper motor.
Test the motor by connecting it directly to a power source; replace if it does not operate.
Install the new motor by reversing the removal steps and torque bolts to factory specifications.

4. Repair Wiring Issues

Visually inspect the wiring harness for any frays, breaks, or corrosion.
Repair or replace damaged sections of wiring as needed.
Ensure all connectors are securely fastened.

5. Reassemble and Test

Reattach wiper arms to the motor splines and secure them.
Reconnect the vehicle battery.
Test the wipers for proper operation at all speeds and functions.