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

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

471 words

Problem Statement

Learn how to diagnose and fix the wiper motor not working on your 2013-2019 Toyota Corolla E170. Step-by-step guide with tools and tips included.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shocks and short circuits.

Symptoms

•Wipers do not move when activated
•No noise from the wiper motor
•Wiper control switch is unresponsive
•Blades remain stationary during rain
•Potentially blown fuse related to wipers

Diagnostic Steps

1
Inspect the wiper fuse in the fuse box for any signs of damage or a blown fuse.
2
Use an OBD-II scanner to check for any related error codes.
3
Test the wiper switch for continuity using a multimeter.
4
Check the wiring and connectors leading to the wiper motor for damage or corrosion.
5
Directly supply power to the wiper motor to verify if it functions independently.
6
Inspect the wiper motor mounting and gears for any mechanical issues.

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
•OBD-II scanner
•Wire brush
•Electrical tape

Parts Required

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

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Diagnostic Steps

1
Inspect the wiper fuse in the fuse box for any signs of damage or a blown fuse.
2
Use an OBD-II scanner to check for any related error codes.
3
Test the wiper switch for continuity using a multimeter.
4
Check the wiring and connectors leading to the wiper motor for damage or corrosion.
5
Directly supply power to the wiper motor to verify if it functions independently.
6
Inspect the wiper motor mounting and gears for any mechanical issues.

Solution

1. Preparation

Gather tools: socket set, multimeter, OBD-II scanner, wire brush, electrical tape.
Ensure the vehicle is parked on a level surface, and turn off the ignition.
Disconnect the negative battery terminal for safety.

2. Replace Wiper Fuse

Locate the fuse box in the vehicle (typically under the dashboard or in the engine compartment).
Identify the wiper fuse using the diagram on the fuse box cover.
If blown, remove the old fuse using a fuse puller and replace it with a new fuse of the same amperage.

3. Inspect and Replace Wiper Motor

Remove the cowl panel above the wiper motor by unscrewing the retaining screws.
Disconnect the electrical connector from the wiper motor.
Remove the mounting bolts securing the wiper motor to the vehicle.
Take out the old wiper motor and replace it with a new one, ensuring proper alignment with the mounting holes.
Reconnect the electrical connector to the new wiper motor and secure it with the mounting bolts.

4. Reassemble and Test

Reinstall the cowl panel and secure it with screws.
Reconnect the negative battery terminal.
Test the wipers to ensure they operate correctly.