how to fix the remote start on my Toyota Corolla E140 (2006-2013) key fob?

Toyota Corolla E140 (2006-2013)

Error Codes

30 minutes

Time

easy

Difficulty

medium

Severity

3 min read

429 words

Problem Statement

Learn how to fix the remote start issue on your 2006-2013 Toyota Corolla E140 key fob. Step-by-step guide with diagnostic steps and solutions.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe location when testing the remote start function.

Symptoms

•Remote start function does not activate
•Key fob buttons feel unresponsive
•Dashboard indicators do not light up when attempting remote start
•No engine crank or sound when pressing remote start
•Battery warning light illuminated on the key fob

Diagnostic Steps

1
Inspect the key fob battery for corrosion or damage.
2
Replace the battery in the key fob and test the remote start function.
3
Verify that the vehicle is in an appropriate condition for remote start (e.g., doors closed, hood closed).
4
Check for any stored trouble codes using an OBD-II scanner.
5
Test the key fob with another vehicle (if available) to confirm if the issue lies with the fob or the vehicle.

Solution

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

•Flathead screwdriver

Parts Required

•CR2032 key fob battery

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Diagnostic Steps

1
Inspect the key fob battery for corrosion or damage.
2
Replace the battery in the key fob and test the remote start function.
3
Verify that the vehicle is in an appropriate condition for remote start (e.g., doors closed, hood closed).
4
Check for any stored trouble codes using an OBD-II scanner.
5
Test the key fob with another vehicle (if available) to confirm if the issue lies with the fob or the vehicle.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure you have a new CR2032 battery for the key fob.
Wear safety gloves to avoid any skin contact with battery acid.

2. Open the Key Fob

Using a small flathead screwdriver, gently pry apart the key fob casing.
Be cautious to avoid damaging the clips holding the fob together.

3. Replace the Battery

Remove the old battery from the key fob, noting the orientation of the positive (+) and negative (-) sides.
Insert the new CR2032 battery in the same orientation as the old one.

4. Reassemble the Key Fob

Align the key fob casing and press it together until it clicks into place securely.
Ensure there are no gaps in the casing to maintain water resistance.

5. Test the Remote Start Function

Stand near the vehicle and press the remote start button on the key fob.
Observe if the vehicle starts successfully.