how to fix the wipers that stop working on my Toyota Highlander Third Generation (2014-2019)

Toyota Highlander Third Generation (2014-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

471 words

Problem Statement

Learn how to diagnose and fix windshield wipers that stop working on Toyota Highlander 2014-2019. Step-by-step guide with tools and parts needed.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts or shocks.

Symptoms

•Wipers do not move when activated
•Wiper switch feels loose or unresponsive
•Wipers operate intermittently or at incorrect speeds
•No sound from the wiper motor when activated
•Washer fluid does not spray when the wipers are engaged

Diagnostic Steps

1
Check the fuse for the windshield wipers using the fuse box diagram.
2
Test the wiper switch for continuity using a multimeter.
3
Inspect the wiper motor connections for corrosion or damage.
4
Verify the wiper motor operation by applying direct power to the motor.
5
Examine the wiper linkage for any obstructions 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

•Multimeter
•Socket set
•Screwdriver set
•Jumper wires

Parts Required

•Wiper motor (if replacement is necessary)
•Wiper switch (if replacement is necessary)
•Wiper fuse (if blown)

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Diagnostic Steps

1
Check the fuse for the windshield wipers using the fuse box diagram.
2
Test the wiper switch for continuity using a multimeter.
3
Inspect the wiper motor connections for corrosion or damage.
4
Verify the wiper motor operation by applying direct power to the motor.
5
Examine the wiper linkage for any obstructions or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Wiper Fuse

Locate the fuse box under the dashboard and remove the cover.
Identify the wiper fuse using the fuse diagram in the fuse box.
Remove the fuse and inspect it for continuity; replace if blown.

3. Test and Replace Wiper Switch (if necessary)

Remove the steering column cover to access the wiper switch.
Disconnect the wiring harness from the wiper switch.
Use a multimeter to test for continuity across the switch terminals when activated.
If defective, replace with a new wiper switch and reconnect the wiring.

4. Inspect and Replace Wiper Motor (if necessary)

Locate the wiper motor, usually found under the cowl panel.
Disconnect the wiring harness from the motor.
Unbolt the wiper motor from its mounting position.
Apply direct power to the motor using jumper wires to confirm operation.
If the motor does not operate, replace with a new motor and reinstall.

5. Reassemble and Test

Reinstall any components removed during the process.
Reconnect the battery.
Test the wipers for proper operation across all settings.