how to fix the rear windshield wiper not working on my Tesla Outback 6th Generation (2020-2024)

Subaru Outback 6th Generation (2020-2024)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

543 words

Problem Statement

Learn how to diagnose and fix the rear windshield wiper not working on your Tesla Outback 6th Generation. Step-by-step guide with tools and tips.

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 avoid shocks or shorts.
•Ensure the vehicle is in a stable position to prevent accidental movement during repairs.

Symptoms

•Rear windshield wiper does not activate when switched on
•No sound or movement from the wiper motor
•Rear wiper fluid not spraying
•Check for any warning messages on the display
•Possible moisture buildup on the rear windshield

Diagnostic Steps

1
Verify that the rear wiper switch is functioning correctly by testing the front wiper to ensure the control stalk is operational.
2
Check the fuse for the rear wiper in the fuse box to see if it is blown.
3
Inspect the rear wiper motor for any visible damage or corrosion.
4
Test the voltage at the wiper motor connector with a multimeter to determine if power is reaching the motor.
5
Check the rear wiper linkage for any obstructions or damage that might prevent movement.

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

•Socket set
•Screwdrivers
•Multimeter
•Torque wrench

Parts Required

•Rear wiper motor (if replacement is necessary)
•Rear wiper fuse (as needed)

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Diagnostic Steps

1
Verify that the rear wiper switch is functioning correctly by testing the front wiper to ensure the control stalk is operational.
2
Check the fuse for the rear wiper in the fuse box to see if it is blown.
3
Inspect the rear wiper motor for any visible damage or corrosion.
4
Test the voltage at the wiper motor connector with a multimeter to determine if power is reaching the motor.
5
Check the rear wiper linkage for any obstructions or damage that might prevent movement.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the vehicle's battery to prevent any electrical shorts (negative terminal first).
Tools Required:
- Socket set
- Screwdrivers
- Multimeter
- Torque wrench

2. Inspect and Replace Fuse

Locate the fuse box in the vehicle (refer to the owner’s manual for exact location).
Identify the rear wiper fuse using the diagram on the fuse box cover.
Remove the fuse with a fuse puller and inspect it for continuity.
If the fuse is blown, replace it with a new fuse of the same amperage.

3. Test and Replace Wiper Motor

If the fuse is intact, proceed to test the wiper motor.
Remove the rear wiper arm by loosening the nut with a socket wrench and gently pulling the arm off.
Disconnect the electrical connector from the wiper motor.
Use a multimeter to check for voltage at the connector while the rear wiper is activated.
If there is no voltage, further investigation into wiring may be needed. If there is voltage, replace the motor.
To replace the motor, unbolt it from its mounting using the socket set, install the new motor, and reassemble in reverse order.

4. Reassemble Components

Reinstall the rear wiper arm, ensuring it is securely fastened.
Reconnect the vehicle's battery (positive terminal first).
Clean any moisture or dirt from the rear windshield to ensure proper visibility.