my Volkswagen Golf MK7 (2015-2019) wipers won't turn off what should I do

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

513 words

Problem Statement

Learn how to diagnose and fix windshield wipers that won't turn off in a Volkswagen Golf MK7 (2015-2019). Step-by-step guide with tools and parts needed.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock.
•Allow the vehicle to cool before working on any components in close proximity to the engine.

Symptoms

•Windshield wipers continuously running
•Wiper control lever unresponsive
•Possible intermittent wiper function failure
•Potential drain on the vehicle's battery
•No error codes displayed on OBD-II scanner

Diagnostic Steps

1
Inspect the wiper control lever for physical damage or debris.
2
Check for blown fuses related to the wiper system in the fuse box.
3
Use an OBD-II scanner to check for any stored error codes that might relate to the wiper system.
4
Test the wiper relay for proper function using a multimeter.
5
Inspect the wiring harness and connections between the wiper motor and the control module 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
•Screwdriver set
•Torque wrench

Parts Required

•Wiper relay (if defective)
•Wiper switch (if damaged)

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Diagnostic Steps

1
Inspect the wiper control lever for physical damage or debris.
2
Check for blown fuses related to the wiper system in the fuse box.
3
Use an OBD-II scanner to check for any stored error codes that might relate to the wiper system.
4
Test the wiper relay for proper function using a multimeter.
5
Inspect the wiring harness and connections between the wiper motor and the control module for any signs of wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the ignition is off.

2. Disconnect Battery

Disconnect the negative terminal of the vehicle battery to avoid any electrical shock or short circuits.

3. Remove Wiper Components

Tools Required: Socket set, flat-head screwdriver.
Remove the wiper arms by loosening the retaining nuts with a socket wrench. Carefully pull off the arms and set them aside.
Remove the plastic cover at the base of the windshield to access the wiper motor.

4. Inspect and Test Wiper Relay

Locate the wiper relay in the fuse box.
Tools Required: Multimeter.
Remove the relay and test it for continuity. Replace if found defective.

5. Replace Wiper Switch (if necessary)

If the control lever appears damaged, replace the wiper switch.
Tools Required: Screwdriver set, possibly a Torx bit set.
Remove the steering column covers to access the wiper switch. Disconnect the wiring harness and replace the switch.

6. Reassemble and Test

Reinstall the wiper motor cover and wiper arms.
Reconnect the negative battery terminal.
Test the wiper function by turning on the ignition and operating the wiper switch.