my Volkswagen Golf MK7 (2015-2019) windshield wipers are not working, why

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

525 words

Problem Statement

Learn how to diagnose and fix windshield wipers not working on Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostics, 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 prevent shocks or shorts.

Symptoms

•Windshield wipers do not activate at all
•Wipers operate intermittently or erratically
•Wiper motor making unusual noises
•Washer fluid not dispensed when activated
•Wiper blades do not move despite wiper switch being engaged

Diagnostic Steps

1
Inspect the wiper switch for proper operation and ensure it's in the correct position.
2
Check the fuse related to the windshield wipers using the fuse box diagram.
3
Test the wiper motor by applying direct power to it with a multimeter.
4
Examine the wiring harness and connections for any signs of damage or corrosion.
5
Verify that the wiper linkage is not obstructed or damaged mechanically.
6
Use an OBD-II scanner to check for any related error codes in the vehicle's computer system.

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 or pliers
•Socket set
•Screwdrivers

Parts Required

•Wiper motor (if found defective)
•Wiper fuse (if blown)
•Wiper blades (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the wiper switch for proper operation and ensure it's in the correct position.
2
Check the fuse related to the windshield wipers using the fuse box diagram.
3
Test the wiper motor by applying direct power to it with a multimeter.
4
Examine the wiring harness and connections for any signs of damage or corrosion.
5
Verify that the wiper linkage is not obstructed or damaged mechanically.
6
Use an OBD-II scanner to check for any related error codes in the vehicle's computer system.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery to ensure safety.
Park the vehicle on a flat surface and engage the parking brake.

2. Check and Replace Fuse

Locate the fuse box inside the vehicle (typically under the dashboard) and refer to the diagram for the wiper fuse.
Remove the wiper fuse using a fuse puller or pliers.
Inspect the fuse; if blown, replace it with a new fuse of the same amperage (typically 15A or 20A).
Reconnect the battery and test the wipers.

3. Test and Replace Wiper Motor

If the fuse is intact, disconnect the wiper motor connector.
Using a multimeter, test for voltage at the motor connector while activating the wiper switch.
If voltage is present but the motor does not operate, remove the wiper motor by:
- Unscrewing the mounting bolts.
- Disconnecting the linkage arm from the motor.
Replace the motor with a new unit if it fails the test.

4. Inspect and Repair Wiring

If the motor is functional, inspect the wiring harness for damage:
- Look for frayed wires or loose connections.
- Repair any damaged wiring with electrical tape or replace sections as needed.

5. Reassemble and Test

Reassemble any components removed (motor, linkage, and covers).
Reconnect the battery and test the wipers for proper operation.