how to fix the rear wiper not working on my Volkswagen Golf MK7 (2015-2019)?

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

536 words

Problem Statement

Learn how to diagnose and fix the rear wiper not working on your Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms and solutions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Ensure the vehicle is off and cool before starting repairs.

Symptoms

•Rear wiper does not activate when switched on
•No noise from the rear wiper motor
•Fluid not spraying from the rear washer nozzle
•No blown fuses indicated on the dashboard
•Wiper arm does not move at all

Diagnostic Steps

1
Check the rear wiper fuse in the fuse box for continuity.
2
Use an OBD-II scanner to check for any error codes related to the wiper system.
3
Inspect the rear wiper motor for any visible damage or disconnections.
4
Test the voltage at the rear wiper motor connector while the wiper switch is activated.
5
Verify that the rear wiper switch is functioning correctly by testing continuity.
6
Check the wiring harness for any signs of wear or damage.

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
•Fuse puller
•Screwdriver

Parts Required

•Rear wiper motor (if faulty)
•Rear wiper arm (if damaged)
•Rear wiper blade (if worn)

Related Faults

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Diagnostic Steps

1
Check the rear wiper fuse in the fuse box for continuity.
2
Use an OBD-II scanner to check for any error codes related to the wiper system.
3
Inspect the rear wiper motor for any visible damage or disconnections.
4
Test the voltage at the rear wiper motor connector while the wiper switch is activated.
5
Verify that the rear wiper switch is functioning correctly by testing continuity.
6
Check the wiring harness for any signs of wear or damage.

Solution

1. Preparation

Gather required tools and parts.
Park the car on a level surface and engage the parking brake.
Disconnect the negative terminal of the battery to ensure safety.

2. Inspect and Replace Fuse

Tools Required: Fuse puller or pliers
Locate the fuse box (usually under the dashboard or in the engine compartment).
Identify the fuse for the rear wiper (refer to the fuse diagram).
Remove the fuse and check for continuity using a multimeter.
If the fuse is blown, replace it with a new one of the same amperage.

3. Test and Replace Rear Wiper Motor

Tools Required: Socket set, screwdriver
Locate the rear wiper motor, typically situated near the rear hatch.
Disconnect the wiring harness from the motor.
Use a multimeter to check if voltage is present when the wiper switch is activated.
If no voltage is present, further investigate the switch and wiring.
If voltage is present but the motor does not operate, remove the motor by unscrewing it from its mounting.
Install a new rear wiper motor by reversing the removal steps. Torque screws to manufacturer specifications.

4. Inspect Rear Wiper Arm and Blade

Tools Required: Wrench, screwdriver
Remove the rear wiper arm by loosening the retaining nut.
Inspect the wiper arm for damage or bent components.
Replace with a new wiper arm if necessary, ensuring it is properly secured.