how to fix the rear wiper not working in Volkswagen Tiguan Second Generation (2018-present)

Volkswagen Tiguan 2nd Gen (2018-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

515 words

Problem Statement

Learn how to diagnose and fix the rear wiper not working issue in Volkswagen Tiguan (2018-present). Step-by-step guide with tools and safety tips.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before inspecting components near the engine.

Symptoms

•Rear wiper does not activate when switch is turned on
•No noise or movement from the wiper motor
•Rear wiper fluid does not spray
•Rear wiper arm appears loose or misaligned
•Rear window remains dirty and obstructed

Diagnostic Steps

1
Inspect the rear wiper switch for functionality using a multimeter.
2
Check the fuse related to the rear wiper in the fuse box.
3
Examine the rear wiper motor for any physical damage or corrosion.
4
Test the rear wiper motor by applying direct power to it.
5
Verify that the wiper arm is securely attached to the motor shaft.

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
•Screwdriver set
•Pliers
•Torque wrench

Parts Required

•Rear wiper motor (if faulty)
•Rear wiper fuse (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the rear wiper switch for functionality using a multimeter.
2
Check the fuse related to the rear wiper in the fuse box.
3
Examine the rear wiper motor for any physical damage or corrosion.
4
Test the rear wiper motor by applying direct power to it.
5
Verify that the wiper arm is securely attached to the motor shaft.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and turn off the ignition.
Disconnect the battery to ensure safety.

Tools Required:

Socket set
Multimeter
Screwdriver set
Pliers
Torque wrench

2. Check and Replace the Fuse

Locate the fuse box, typically found in the driver's side dashboard or under the hood.
Use a fuse puller or pliers to remove the rear wiper fuse.
Inspect the fuse for continuity using a multimeter. If blown, replace it with a fuse of the same amperage.

3. Inspect the Wiper Motor

Remove the rear wiper arm using a socket wrench.
Unscrew the motor housing cover and disconnect the wiring harness from the rear wiper motor.
Visually inspect the motor for any signs of damage or wear, including rust or corrosion.

4. Test the Wiper Motor

Using a multimeter, check for voltage at the motor's connector while activating the rear wiper switch.
If voltage is present and the motor does not operate, it may need replacement.
If no voltage is detected, trace the wiring back to the switch for faults.

5. Replace the Wiper Motor (if necessary)

If the motor is faulty, remove it by unscrewing the mounting bolts.
Install the new motor by reversing the removal steps, ensuring all electrical connections are secure.
Reattach the rear wiper arm and ensure it is aligned correctly.