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

Toyota Corolla E170 (2013-2019)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

407 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems to avoid short circuits.

Symptoms

•Check engine light illuminated on the dashboard
•Possible stored trouble codes in the vehicle's computer
•No noticeable changes in vehicle performance or behavior

Diagnostic Steps

1
Use an OBD-II scanner to read and document any trouble codes.
2
Investigate the cause of the check engine light by checking engine components, sensors, and fluid levels.
3
Address any underlying issues before attempting to reset the light.

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
•Vehicle owner's manual
•Safety gloves
•Wrench or socket set

Parts Required

•None (assuming no repairs are needed prior to resetting)

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Solution

1. Preparation

Gather tools: OBD-II scanner, vehicle owner's manual, and safety gloves.
Ensure the vehicle is parked on a level surface, and the engine is turned off.

2. Connect the OBD-II Scanner

Locate the OBD-II connector under the dashboard, usually near the driver's seat.
Plug in the OBD-II scanner and turn on the ignition without starting the engine.

3. Clear the Trouble Codes

Navigate through the OBD-II scanner menu to find the option for "Erase Codes" or "Clear DTCs."
Confirm the action to clear all stored trouble codes, which will also turn off the check engine light.

4. Disconnect the Battery (Alternative Method)

Tools Required: Wrench or socket set.
Disconnect the negative terminal of the battery and wait for at least 10 minutes before reconnecting it. This method may reset the check engine light but is not recommended without addressing the underlying issue.

5. Reconnect the Battery (if applicable)

Reconnect the negative terminal and ensure it is tightened securely.