my Toyota Corolla E170 (2013-2019) remote start not working what's wrong

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked safely and set to "Park" mode.
• Disconnect the battery to avoid any electrical issues during repair.

2. Replace Key Fob Battery

• Tools Required: Small flat-head screwdriver, replacement battery (CR2032).
• Open the key fob using the screwdriver.
• Remove the old battery and replace it with the new one, ensuring correct polarity.
• Reassemble the key fob and test the remote start function.

3. Inspect and Repair Remote Start Module

• Tools Required: Screwdriver set, multimeter.
• Locate the remote start module (usually under the dashboard or near the steering column).
• Inspect for any loose connections or visible damage.
• Use a multimeter to check for proper voltage at the module's power and ground connections.
• Repair or replace the module as necessary.

4. Reconnect Battery

• Reconnect the negative battery terminal.
• Ensure all connections are secure and tidy.

5. Test the Remote Start Function

• Press the remote start button on the key fob and observe if the engine starts.
• If successful, confirm the operation by checking all vehicle functions.