how to fix the rear wiper not working on my Volkswagen Golf Seventh Generation (2013-2020)

Volkswagen Golf Eighth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

550 words

Problem Statement

Learn how to diagnose and fix the rear wiper not working on your Volkswagen Golf (2013-2020). 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 the battery before working on electrical components to prevent shock or shorts.

Symptoms

•Rear wiper does not operate when activated
•No sound or movement from the wiper motor
•Rear wiper fluid does not spray
•Check for any warning lights related to wiper system on the dashboard
•Visible damage or wear on wiper blade

Diagnostic Steps

1
Inspect the rear wiper switch for proper function by activating it and listening for any audible clicks.
2
Check the rear wiper fuse in the fuse box for continuity; replace if blown.
3
Use a multimeter to test the voltage supply at the rear wiper motor connector while the switch is activated.
4
Inspect the wiring harness for any visible damage or disconnections leading to the rear wiper motor.
5
Remove the rear wiper arm and test the motor directly by applying 12V to see if it operates.
6
Examine the rear wiper motor for any signs of corrosion or mechanical failure.

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
•Multimeter
•Flathead screwdriver
•Torque wrench

Parts Required

•Rear wiper motor (if replacement is necessary)
•Rear wiper blade (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the rear wiper switch for proper function by activating it and listening for any audible clicks.
2
Check the rear wiper fuse in the fuse box for continuity; replace if blown.
3
Use a multimeter to test the voltage supply at the rear wiper motor connector while the switch is activated.
4
Inspect the wiring harness for any visible damage or disconnections leading to the rear wiper motor.
5
Remove the rear wiper arm and test the motor directly by applying 12V to see if it operates.
6
Examine the rear wiper motor for any signs of corrosion or mechanical failure.

Solution

1. Preparation

Gather tools: socket set, multimeter, flathead screwdriver, and torque wrench.
Disconnect the negative battery terminal to ensure safety during repairs.

2. Fuse Inspection

Locate the fuse box and identify the rear wiper fuse (refer to the owner’s manual for fuse diagram).
Remove the fuse and inspect it for any signs of damage. Replace with a fuse of the same amperage if necessary.
Reconnect the battery and test the rear wiper.

3. Wiring Inspection

Visually inspect the wiring harness connected to the rear wiper motor for any signs of fraying or damage.
If damaged, repair the wiring using appropriate connectors and electrical tape to ensure a secure connection.

4. Motor Testing

Remove the rear wiper arm by unscrewing the retaining nut with the socket set.
Disconnect the electrical connector from the rear wiper motor.
Use a multimeter to check if the motor receives voltage when the rear wiper switch is activated.
If no voltage is detected, further investigate wiring issues or switch malfunction.

5. Motor Replacement (if necessary)

If the motor is faulty, remove the old motor by unscrewing the mounting bolts.
Install the new rear wiper motor by securing it with the mounting bolts and reconnecting the electrical connector.
Reattach the rear wiper arm and secure it with the retaining nut, tightening to manufacturer specifications (usually around 8-10 Nm).