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how to fix my Volvo XC90 Second Generation (2015-2024) when the wipers won't turn off? - Volvo XC90
Home/Cars/Volvo/XC90/Second Generation (2015-2024)/how to fix my Volvo XC90 Second Generation (2015-2024) when the wipers won't turn off?

how to fix my Volvo XC90 Second Generation (2015-2024) when the wipers won't turn off?

Volvo XC90 Second Generation (2015-2024)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
536 words

Problem Statement

Learn how to diagnose and fix wipers that won't turn off in a Volvo XC90 (2015-2024). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components to avoid shock or short circuits.

Symptoms

  • •Wipers continuously running even when the switch is off
  • •Possible erratic wiper speed or operation
  • •Wiper fluid may continue to spray intermittently
  • •Noise from the wiper motor when the wipers are expected to be off
  • •Dashboard warning light related to the wiper system may be illuminated

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Screwdriver set
  • •Socket set

Parts Required

  • •Wiper motor (if faulty)
  • •Wiper control relay (if faulty)
  • •Wiper control module (if faulty)
  • •Wiper switch (if faulty)

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
4 items

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Solution
1. Preparation
  • Gather tools: OBD-II scanner, multimeter, screwdriver set, and socket set.
  • Ensure the vehicle is parked on a flat surface and the engine is off.
  • Disconnect the battery to prevent electrical shock.
2. Inspect and Clean Wiper Control Stalk
  • Remove the steering column cover using a screwdriver.
  • Visually inspect the wiper control stalk for any signs of damage or debris.
  • Clean the stalk contacts with an electrical contact cleaner if necessary.
3. Test Wiper Switch
  • Reconnect the battery.
  • Using the multimeter, set it to the continuity setting.
  • Disconnect the wiper switch connector and probe the terminals according to the service manual.
    • If continuity is not present when the switch is in the "off" position, replace the wiper switch.
4. Check Wiper Motor and Relay
  • Locate the wiper motor and its relay in the fuse box.
  • Remove the wiper motor connector and test for voltage with the multimeter while activating the wiper switch.
  • If voltage is present with the switch off, replace the wiper motor relay.
  • If no voltage is present, troubleshoot the wiring.
5. Replace Wiper Control Module (if necessary)
  • If all previous components are functional, replace the wiper control module.
  • Locate the module as specified in the service manual.
  • Disconnect the battery and remove the module.
  • Install the new module and reconnect all connectors.