my Tesla Outback 4th Generation (2010-2014) wipers won't turn off how to fix

Subaru Outback 4th Generation (2010-2014)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

494 words

Problem Statement

Learn how to diagnose and fix windshield wipers that won't turn off in a 2010-2014 Tesla Outback. Step-by-step guide with tools and safety 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 prevent shock or short circuits.
•Allow the vehicle to cool down before performing any work on the wiper system if it was recently in use.

Symptoms

•Windshield wipers remain activated regardless of the switch position
•Wiper control lever does not respond when toggled
•Possible intermittent wiper speed issues (e.g., stuck in slow or fast mode)
•Drain on battery due to continuous operation
•Dashboard warning lights may illuminate related to wiper system

Diagnostic Steps

1
Inspect the wiper control lever for physical damage or obstruction.
2
Scan the vehicle's onboard computer using an OBD-II scanner for any fault codes related to the wiper system.
3
Check the wiper relay for proper operation by swapping it with a similar relay in the fuse box.
4
Inspect the wiring harness for frayed or damaged wires near the wiper motor and control module.
5
Test the wiper motor by applying direct power to it to determine if it operates correctly.
6
Verify the functionality of the wiper control module or switch using a multimeter.

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

•OBD-II scanner
•Multimeter
•Socket set
•Screwdrivers
•Safety gloves

Parts Required

•Wiper control module (if faulty)
•Wiper control lever (if damaged)

Related Faults

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Symptoms

•Windshield wipers remain activated regardless of the switch position

•Wiper control lever does not respond when toggled

•Possible intermittent wiper speed issues (e.g., stuck in slow or fast mode)

•Drain on battery due to continuous operation

•Dashboard warning lights may illuminate related to wiper system

Diagnostic Steps

1
Inspect the wiper control lever for physical damage or obstruction.
2
Scan the vehicle's onboard computer using an OBD-II scanner for any fault codes related to the wiper system.
3
Check the wiper relay for proper operation by swapping it with a similar relay in the fuse box.
4
Inspect the wiring harness for frayed or damaged wires near the wiper motor and control module.
5
Test the wiper motor by applying direct power to it to determine if it operates correctly.
6
Verify the functionality of the wiper control module or switch using a multimeter.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, screwdrivers, and safety gloves.
Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Remove Wiper Control Lever

Remove the steering column cover by unscrewing the screws and gently prying it off.
Disconnect the wiring harness from the wiper control lever.
Remove the control lever by unscrewing it from its mounting position.

3. Inspect and Replace Wiper Control Module

Using a multimeter, test the control module for continuity and proper voltage supply.
If faulty, procure a new wiper control module compatible with the 2010-2014 Tesla Outback.
Install the new wiper control module in reverse order of removal.

4. Reassemble and Test

Reconnect the wiring harness to the wiper control lever.
Reattach the steering column cover.
Reconnect the vehicle's battery and test the wipers for proper operation.