how to fix the rear wiper that won't work on my Tesla Outback 5th Generation (2015-2019)?

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

510 words

Problem Statement

Learn how to diagnose and fix the rear wiper not working on your Tesla Outback 5th Generation. Step-by-step guide with tools and parts needed.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or shorts.

Symptoms

•Rear wiper does not operate when activated
•Rear wiper motor does not make any noise
•No water spray from the rear washer nozzle
•Rear wiper fuse may be blown
•Potential warning light on the dashboard related to wiper system

Diagnostic Steps

1
Inspect the rear wiper fuse in the fuse box for any signs of damage or a blown fuse.
2
Use a multimeter to test the voltage at the rear wiper motor connector when the wiper is activated.
3
Check the rear wiper switch for proper operation and continuity.
4
Inspect wiring and connectors between the wiper switch and motor for any visible damage or corrosion.
5
Test the rear washer nozzle for blockages and ensure it's connected properly.

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
•Socket set
•Screwdriver set
•Wire stripper/crimper
•Torque wrench

Parts Required

•Rear wiper motor (if faulty)
•Rear wiper fuse (if blown)

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Diagnostic Steps

1
Inspect the rear wiper fuse in the fuse box for any signs of damage or a blown fuse.
2
Use a multimeter to test the voltage at the rear wiper motor connector when the wiper is activated.
3
Check the rear wiper switch for proper operation and continuity.
4
Inspect wiring and connectors between the wiper switch and motor for any visible damage or corrosion.
5
Test the rear washer nozzle for blockages and ensure it's connected properly.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the vehicle battery to prevent any electrical shorts.

Tools Required:

Multimeter
Socket set
Screwdriver set
Wire stripper/crimper
Torque wrench (if applicable)

2. Inspect and Replace Fuse

Locate the fuse box according to the owner's manual.
Remove the cover and identify the rear wiper fuse.
Inspect the fuse; if blown, replace it with one of the same amperage.

3. Test Rear Wiper Motor

Reconnect the battery.
Using the multimeter, check for voltage at the rear wiper motor connector when the switch is activated.
If voltage is present but the motor does not operate, proceed to replace the rear wiper motor.

4. Replace Rear Wiper Motor

Remove the rear wiper arm by loosening the nut with the socket set.
Detach any paneling or covers to access the motor.
Disconnect the wiring harness from the motor.
Remove the mounting screws using a screwdriver or socket set.
Install the new motor in reverse order, tighten screws to manufacturer specifications.

5. Reassemble and Test

Reattach the rear wiper arm.
Reconnect the battery.
Test the rear wiper and washer function to ensure proper operation.