how to reset the check engine light on my Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes

15-30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

406 words

Problem Statement

Learn how to reset the check engine light on your 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic steps and tools required.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnecting the battery may reset other electronic systems; be prepared to reprogram settings if necessary.

Symptoms

•Check engine light illuminated
•Potentially stored trouble codes (DTCs)
•No noticeable performance issues
•Possible diagnostic trouble codes affecting emission systems

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to retrieve any stored trouble codes.
2
Address any underlying issues indicated by the trouble codes before proceeding with the reset.
3
Clear the trouble codes using the OBD-II scanner to reset the check engine light.
4
If no scanner is available, disconnect the negative battery terminal for approximately 10-15 minutes to reset the 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

•OBD-II scanner
•Battery terminal wrench

Parts Required

•None (if no underlying issues are present)

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Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to retrieve any stored trouble codes.
2
Address any underlying issues indicated by the trouble codes before proceeding with the reset.
3
Clear the trouble codes using the OBD-II scanner to reset the check engine light.
4
If no scanner is available, disconnect the negative battery terminal for approximately 10-15 minutes to reset the system.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner or battery terminal wrench.
Ensure the vehicle is parked on a level surface and the ignition is turned off.

2. Retrieve Diagnostic Codes (if applicable)

Connect the OBD-II scanner to the vehicle’s OBD-II port, typically located under the dashboard near the driver's side.
Turn the ignition to the "ON" position without starting the engine.
Follow the scanner's instructions to read and record any trouble codes.

3. Clear Trouble Codes

Using the OBD-II scanner, navigate to the option that allows you to clear or erase trouble codes.
Confirm the action when prompted to reset the check engine light.

4. Alternative Reset Method (if no scanner is available)

Using a battery terminal wrench, disconnect the negative battery terminal.
Wait for 10-15 minutes to allow the vehicle’s systems to reset.
Reconnect the negative battery terminal and ensure it is tight.