how to fix the windshield wipers not working on my Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

548 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix windshield wipers not working on Toyota Corolla E170 (2013-2019). Step-by-step guide with tools and safety tips.

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.

Symptoms

•Windshield wipers do not activate when switched on
•No noise or movement from the wiper motor
•Wiper control lever feels loose or unresponsive
•Possible intermittent operation before total failure
•Windshield washer fluid does not spray

Diagnostic Steps

1
Check the wiper fuse in the fuse box for continuity using a multimeter.
2
Inspect the wiper motor connection for any loose or corroded wires.
3
Test the wiper switch for continuity using a multimeter.
4
Examine the wiper linkage for any signs of damage or disconnection.
5
Verify the battery voltage to ensure it is supplying adequate power to the wiper system.

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 (including 10mm socket)
•Fuse puller
•Screwdriver set
•Electrical cleaner

Parts Required

•Wiper motor (if needed)
•Wiper fuse (if blown)

Related Faults

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Diagnostic Steps

1
Check the wiper fuse in the fuse box for continuity using a multimeter.
2
Inspect the wiper motor connection for any loose or corroded wires.
3
Test the wiper switch for continuity using a multimeter.
4
Examine the wiper linkage for any signs of damage or disconnection.
5
Verify the battery voltage to ensure it is supplying adequate power to the wiper system.

Solution

1. Preparation

Gather necessary tools and parts listed below.
Park the vehicle on a flat surface and turn off the ignition.
Disconnect the negative battery terminal to prevent electrical shock.

2. Check and Replace the Wiper Fuse

Locate the fuse box (typically under the dashboard or in the engine compartment).
Remove the fuse for the windshield wipers using a fuse puller.
Inspect the fuse for any signs of being blown (broken filament).
If blown, replace it with a fuse of the same amperage (typically 15A).
Reinstall the fuse and reconnect the battery.

3. Inspect and Repair the Wiper Motor Connection

Access the wiper motor by removing any necessary panels or covers.
Inspect the wiring harness connected to the wiper motor for any damage or corrosion.
Clean any corrosion with electrical cleaner and reconnect securely.
If damaged, replace the wiring harness as needed.

4. Test and Replace the Wiper Motor (if necessary)

Use a multimeter to test the voltage at the wiper motor connector while the wiper switch is activated.
If there is voltage but the motor does not operate, remove the wiper motor:
- Disconnect the motor wiring harness.
- Unscrew the mounting bolts (typically 10mm) holding the motor in place.
- Remove the motor and replace it with a new unit.
Reinstall the motor and reconnect the wiring harness.

5. Verify Wiper Linkage Operation

Inspect the wiper linkage for wear or disconnection.
Reconnect any loose links or replace the linkage assembly if damaged.
Ensure proper alignment of the wiper arms while reassembling.