why does my Volkswagen Golf MK7 (2015-2019) have intermittent wipers that don’t work

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

537 words

Problem Statement

Learn how to diagnose and fix intermittent wipers on Volkswagen Golf MK7 (2015-2019). 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 battery before working on electrical systems to prevent shorts.
•Ensure vehicle is parked on a level surface and is secure before beginning repairs.

Symptoms

•Intermittent wipers do not activate when set to the intermittent mode
•Wipers may work in low or high-speed settings but fail in intermittent mode
•Wipers may operate continuously without stopping when in the intermittent position
•No audible click from the wiper relay when the intermittent setting is engaged
•Dashboard warning lights (if applicable) may occasionally illuminate

Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or wear.
2
Use an OBD-II scanner to check for any fault codes related to the wiper system.
3
Test the wiper relay by swapping it with a known good relay or using a multimeter.
4
Check the wiper motor for proper voltage and ground using a multimeter.
5
Inspect the wiring harness for any frayed or damaged wires.
6
Verify that the wiper fuse is intact and functioning.

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
•Relay tester
•Screwdriver set
•Trim removal tools
•Wire stripper
•Soldering iron

Parts Required

•Wiper relay
•Wiper control stalk (if damaged)
•Electrical connectors (if repairs to wiring are needed)

Related Faults

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Symptoms

•Intermittent wipers do not activate when set to the intermittent mode

•Wipers may work in low or high-speed settings but fail in intermittent mode

•Wipers may operate continuously without stopping when in the intermittent position

•No audible click from the wiper relay when the intermittent setting is engaged

•Dashboard warning lights (if applicable) may occasionally illuminate

Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or wear.
2
Use an OBD-II scanner to check for any fault codes related to the wiper system.
3
Test the wiper relay by swapping it with a known good relay or using a multimeter.
4
Check the wiper motor for proper voltage and ground using a multimeter.
5
Inspect the wiring harness for any frayed or damaged wires.
6
Verify that the wiper fuse is intact and functioning.

Solution

1. Preparation

Gather necessary tools and materials.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace the Wiper Relay

Tools Required: Relay tester or multimeter
Locate the wiper relay in the fuse box (refer to the owner’s manual for exact location).
Remove the relay and test it using a relay tester or multimeter to ensure continuity.
If faulty, replace the relay with a new one (ensure it matches OEM specifications).

3. Check and Replace the Wiper Control Stalk

Tools Required: Screwdriver set, trim removal tools
Remove the steering column covers using a screwdriver.
Disconnect the wiper control stalk from the wiring harness.
Replace the stalk if any damage or wear is evident, ensuring proper alignment during installation.

4. Inspect and Repair Wiring

Tools Required: Wire stripper, electrical tape, soldering iron (if necessary)
Visually inspect the wiring harness connected to the wiper motor and control stalk for any visible damage.
Repair or replace any damaged wires, ensuring secure connections and proper insulation.

5. Reconnect Battery and Test

Reconnect the negative battery terminal.
Test the wipers in all modes to confirm proper functionality.