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

512 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 safety tips.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the ignition is off before connecting or disconnecting the OBD-II scanner
•Disconnect the battery with caution to avoid electrical shorts or damage

Symptoms

•Check engine light is illuminated
•Potential warning codes stored in the vehicle's computer
•No noticeable changes in engine performance
•Engine may have previously exhibited symptoms related to the triggering issue
•Unresponsive or malfunctioning dashboard indicators

Diagnostic Steps

1
Use an OBD-II scanner to check for any stored diagnostic trouble codes (DTCs)
2
Address any underlying issues indicated by the trouble codes
3
Clear the DTCs using the OBD-II scanner
4
Disconnect the vehicle's battery for a few minutes as an alternative method to reset the check engine light
5
Reconnect the battery, ensuring proper connection and checking for any signs of corrosion
6
Start the engine to verify if the check engine light remains off

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
•Socket set
•Safety gloves

Parts Required

•None specifically required for resetting the light; may need parts if DTCs indicate a problem.

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Use an OBD-II scanner to check for any stored diagnostic trouble codes (DTCs)
2
Address any underlying issues indicated by the trouble codes
3
Clear the DTCs using the OBD-II scanner
4
Disconnect the vehicle's battery for a few minutes as an alternative method to reset the check engine light
5
Reconnect the battery, ensuring proper connection and checking for any signs of corrosion
6
Start the engine to verify if the check engine light remains off

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, socket set, and safety gloves.
Ensure the vehicle is parked on a level surface and the ignition is off.

2. Scan for Codes

Plug in the OBD-II scanner into the vehicle’s diagnostic port (usually located under the dashboard).
Turn the ignition to the "ON" position without starting the engine.
Follow the scanner instructions to read and record any trouble codes.

3. Clear Codes

After noting any codes, use the scanner's function to clear the codes from the ECU.
Confirm that the scanner indicates the codes have been cleared successfully.

4. Battery Disconnection (Optional)

If you prefer, you can reset the check engine light by disconnecting the battery:
- Use a socket wrench to loosen the negative battery terminal.
- Remove the negative terminal and leave it disconnected for at least 5-10 minutes.
- Reconnect the negative terminal and ensure it is secured tightly.

5. Verification

Start the engine and observe the check engine light to confirm it is off.
Monitor the dashboard indicators to ensure no other warning lights are illuminated.