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

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Use caution when working near moving parts (wiper arms).

Symptoms

•No movement of windshield wipers when activated
•Wiper control lever feels loose or unresponsive
•No noise from the wiper motor
•Possible blown fuse for the wiper circuit
•Streaks or smudges on the windshield due to lack of use
•Warning light for wiper fluid may be illuminated

Diagnostic Steps

1
Inspect the wiper control lever for any physical damage or looseness.
2
Check the windshield wiper fuse in the fuse box for continuity; replace if blown.
3
Use an OBD-II scanner to check for any related error codes.
4
Test the wiper motor by applying direct power from the battery.
5
Inspect wiring and connectors for corrosion or damage near the wiper motor and switch.
6
Check the windshield washer fluid level and ensure the pump is functioning.

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
•Fuse puller
•Basic socket set
•Insulated wire
•Safety glasses

Parts Required

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

Related Faults

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Diagnostic Steps

1
Inspect the wiper control lever for any physical damage or looseness.
2
Check the windshield wiper fuse in the fuse box for continuity; replace if blown.
3
Use an OBD-II scanner to check for any related error codes.
4
Test the wiper motor by applying direct power from the battery.
5
Inspect wiring and connectors for corrosion or damage near the wiper motor and switch.
6
Check the windshield washer fluid level and ensure the pump is functioning.

Solution

1. Preparation

Gather tools: multimeter, fuse puller, basic socket set, insulated wire, and safety glasses.
Disconnect the negative terminal of the battery to ensure safety.

2. Inspect and Replace the Fuse

Locate the fuse box, typically found under the dashboard or in the engine compartment.
Use a fuse puller to remove the wiper fuse and visually inspect it.
Test the fuse with a multimeter for continuity. If it is blown, replace it with a new fuse of the same amperage (refer to the owner's manual for specifications).

3. Test the Wiper Motor

Locate the wiper motor, usually found at the base of the windshield.
Disconnect the motor's electrical connector.
Using insulated wire, connect the wiper motor directly to the battery to see if it operates. If it runs, the motor is functional, and the issue may lie in the switch or wiring.
If the motor does not operate, it may need to be replaced.

4. Check Wiring and Connectors

Inspect the wiring harness leading to the wiper motor for any signs of fraying, corrosion, or damage.
Clean any corroded connectors with electrical cleaner and reconnect securely.

5. Reassemble and Test

Reconnect all components and ensure everything is secured.
Reconnect the battery terminal.
Test the wipers by activating the control lever to confirm functionality.