my Toyota Corolla E170 (2013-2019) wipers won't turn on what should I check

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

495 words

Problem Statement

Learn how to diagnose and fix non-functioning wipers on a 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

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 shocks and shorts.
•Allow the vehicle to cool before working on any components near the engine.

Symptoms

•Wipers do not respond when activated
•No sound from the wiper motor
•Wiper fluid does not spray
•Wiper control stalk feels loose or unresponsive
•Related dashboard warning lights may illuminate

Diagnostic Steps

1
Inspect the wiper control stalk for any physical damage or looseness.
2
Check the vehicle's fuse box for a blown wiper fuse; refer to the owner's manual for fuse location.
3
Use an OBD-II scanner to check for any related error codes that may indicate electrical issues.
4
Test the wiper motor by applying direct battery voltage to see if it operates outside the vehicle.
5
Examine the wiper linkage for any obstructions or damage.
6
Inspect the wiring harness connected to the wiper motor for any loose connections or corrosion.

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
•Screwdriver set
•Wiper arm puller

Parts Required

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

Related Faults

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Diagnostic Steps

1
Inspect the wiper control stalk for any physical damage or looseness.
2
Check the vehicle's fuse box for a blown wiper fuse; refer to the owner's manual for fuse location.
3
Use an OBD-II scanner to check for any related error codes that may indicate electrical issues.
4
Test the wiper motor by applying direct battery voltage to see if it operates outside the vehicle.
5
Examine the wiper linkage for any obstructions or damage.
6
Inspect the wiring harness connected to the wiper motor for any loose connections or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety.
Tools Required:
- Socket set
- Multimeter
- OBD-II scanner
- Screwdriver set

2. Check and Replace Wiper Fuse

Locate the fuse box (typically under the dashboard or in the engine bay).
Remove the cover and find the wiper fuse (refer to the diagram on the cover).
Use a fuse puller or pliers to remove the fuse and check if it's blown (a broken filament indicates a blown fuse).
If necessary, replace the fuse with the same amperage rating.

3. Inspect and Test Wiper Motor

Remove the wiper arms using a wiper arm puller if needed.
Disconnect the wiring harness from the wiper motor.
Use a multimeter to check for voltage at the connector when the wiper switch is activated.
If voltage is present and the motor does not operate, replace the wiper motor.

4. Reassemble and Test

Reconnect all wiring harnesses and reinstall the wiper arms in the correct position.
Reconnect the negative battery terminal.
Test the wipers to ensure they operate correctly.