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why is my Tesla Model S Original (2012-2020) windshield wiper not working - Tesla Model S
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why is my Tesla Model S Original (2012-2020) windshield wiper not working

why is my Tesla Model S Original (2012-2020) windshield wiper not working

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
540 words

Problem Statement

Learn how to diagnose and fix windshield wiper issues on Tesla Model S (2012-2020). 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 battery before working on electrical systems to avoid shock
  • •Allow the vehicle to cool before working on any components near the engine

Symptoms

  • •Windshield wipers do not activate when engaged
  • •Wiper blades remain stationary regardless of wiper settings
  • •No sound from the wiper motor when the wipers are turned on
  • •Wiper fluid may not spray when activated
  • •Dashboard warning messages regarding wiper system may appear

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Fuse puller
  • •Socket set
  • •Screwdrivers

Parts Required

  • •Wiper motor (if faulty)
  • •Wiper fuse (if blown)

Additional Information

Affected Component
Electrical
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked safely and on a level surface.
  • Disconnect the vehicle's battery to prevent electrical shock.
2. Inspect and Replace Fuse
  • Locate the fuse box in the front trunk area.
  • Remove the cover and find the wiper fuse (refer to the fuse diagram).
  • Use a fuse puller to remove the fuse and inspect for damage.
    • If blown, replace with a fuse of the same amperage.
3. Test and Replace Wiper Motor
  • Reconnect the battery and turn on the vehicle.
  • Use a multimeter to test the wiper motor:
    • Disconnect the motor connector and test for voltage at the connector while activating the wiper switch.
    • If no voltage is present, further electrical testing may be needed.
  • If voltage is present and the motor does not operate, replace the wiper motor:
    • Remove any necessary covers to access the wiper motor.
    • Disconnect the wiper motor wiring harness.
    • Remove retaining bolts and carefully take out the motor.
    • Install the new motor by reversing the removal steps and reconnecting wiring.
4. Reassemble and Test
  • Reattach any covers removed during the process.
  • Test the wipers by engaging the wiper switch in various modes.
  • Ensure wiper fluid is functioning correctly by activating the wiper fluid spray.