how do I fix my Toyota Corolla E170 (2013-2019) remote start not working?

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

551 words

Problem Statement

Learn how to diagnose and fix remote start issues in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems to avoid shorts.
•Ensure the vehicle is securely parked and cannot roll during inspection or repairs.

Symptoms

•Remote start button does not respond when pressed
•Vehicle does not start or crank when attempting remote start
•No indicator lights illuminate on the remote start system
•Check engine light may be illuminated
•Issues with key fob battery or range may be present

Diagnostic Steps

1
Check the key fob battery to ensure it is fully charged and functional.
2
Verify that the vehicle is in a secure location and within the range of the remote start system.
3
Scan the vehicle’s onboard diagnostic system for any error codes using an OBD-II scanner.
4
Inspect the vehicle's hood and door switches for proper function; these switches can prevent remote start if not closed.
5
Confirm that the vehicle’s battery is charged and the electrical system is functioning properly.
6
Check the remote start system’s connections and wiring for any visible damage or corrosion.

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
•Multimeter
•Flathead screwdriver
•Wire strippers/crimpers

Parts Required

•CR2032 battery for the key fob
•Replacement hood and door switches (if necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the key fob battery to ensure it is fully charged and functional.
2
Verify that the vehicle is in a secure location and within the range of the remote start system.
3
Scan the vehicle’s onboard diagnostic system for any error codes using an OBD-II scanner.
4
Inspect the vehicle's hood and door switches for proper function; these switches can prevent remote start if not closed.
5
Confirm that the vehicle’s battery is charged and the electrical system is functioning properly.
6
Check the remote start system’s connections and wiring for any visible damage or corrosion.

Solution

1. Preparation

Gather all necessary tools and parts for the repair.
Ensure the vehicle is parked in a safe, open area and the engine is turned off.
Disconnect the vehicle battery to avoid electrical shorts.

2. Replace Key Fob Battery

Remove the back cover of the key fob using a small flathead screwdriver.
Replace the old battery with a new CR2032 battery, ensuring the positive (+) side is facing up.
Reassemble the key fob and test the remote start function.

3. Inspect Hood and Door Switches

Locate the hood and door switches; these are often found near the hinge of the hood and within the door frame.
Use a multimeter to test the continuity of the switches. If they do not show continuity when closed, replace them.
Ensure all connections are tight and free from corrosion.

4. Check Remote Start System Connections

Access the remote start module, which is typically located under the dashboard or in the engine compartment.
Inspect all wiring and connectors for signs of wear, corrosion, or loose connections.
Secure any loose connections and repair or replace damaged wiring as necessary.

5. Reconnect Battery and Test

Reconnect the vehicle battery.
Attempt to use the remote start feature again to confirm functionality.