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how to fix the rear defroster not working in my Volkswagen Golf MK6 (2009-2014) - Volkswagen Golf
Home/Cars/Volkswagen/Golf/MK7 (2015-2019)/how to fix the rear defroster not working in my Volkswagen Golf MK6 (2009-2014)

how to fix the rear defroster not working in my Volkswagen Golf MK6 (2009-2014)

Volkswagen Golf MK7 (2015-2019)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
584 words

Problem Statement

Learn how to diagnose and fix the rear defroster not working in Volkswagen Golf MK6 (2009-2014). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Ensure the vehicle is parked on a level surface and the engine is off before beginning repairs.

Symptoms

  • •Rear defroster switch does not illuminate when activated
  • •No heat or defrosting effect on the rear windshield
  • •Check for any blown fuses related to the rear defroster
  • •Defroster grid appears visually intact but does not heat up
  • •Possible related warning lights on the dashboard

Diagnostic Steps

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

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
  • •Fuse puller
  • •Rubbing alcohol
  • •Rear defroster repair kit

Parts Required

  • •Replacement fuse
  • •Rear defroster relay
  • •Conductive adhesive

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools and parts before beginning the repair.
  • Disconnect the negative battery terminal to ensure safety while working on electrical components.
2. Check and Replace Fuses
  • Locate the fuse box, typically found under the dashboard or in the engine compartment.
  • Identify the fuse for the rear defroster using the fuse diagram.
  • Remove the fuse using a fuse puller and inspect it. If it is blown, replace it with a new fuse of the same amperage (usually 15A or as specified).
  • Reconnect the battery terminal.
3. Inspect and Repair the Defroster Grid
  • If the defroster grid is damaged, purchase a rear defroster repair kit.
  • Clean the area around the damaged grid lines with rubbing alcohol to ensure proper adhesion of the repair kit.
  • Apply the conductive adhesive from the repair kit to the damaged areas following the manufacturer's instructions.
  • Allow the repair to cure as specified before testing the system again.
4. Test the Relay (if necessary)
  • Locate the rear defroster relay in the fuse box or relay panel.
  • Remove the relay and test it with a multimeter for continuity.
  • If the relay is faulty, replace it with a new relay of the same specifications.
5. Final Assembly
  • Ensure that all connections are secure and that there are no loose wires.
  • Reconnect the battery terminal and conduct a visual inspection of the workspace.
  • Test the rear defroster switch to confirm functionality.