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

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

495 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

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

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts or shocks.

Symptoms

•Remote start button does not engage the engine
•Dashboard lights illuminate briefly but engine does not start
•No sound or clicking noise when attempting to start remotely
•Security light may blink or remain illuminated
•Check engine light may be on or flashing before remote start attempt

Diagnostic Steps

1
Check the vehicle's battery voltage to ensure it has sufficient charge.
2
Inspect the remote key fob battery and replace if weak or dead.
3
Scan the vehicle's onboard diagnostics (OBD-II) for any trouble codes related to the starting system.
4
Verify that all doors, hood, and trunk are closed properly, as the remote start will not engage if any are ajar.
5
Test the remote start system with a second key fob (if available) to rule out a faulty fob.
6
Inspect the vehicle’s remote start module (if equipped) for any visible damage or loose connections.

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
•Screwdriver set
•Small flat-head screwdriver

Parts Required

•Key fob battery (CR2032)
•Remote start module (if necessary)

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Diagnostic Steps

1
Check the vehicle's battery voltage to ensure it has sufficient charge.
2
Inspect the remote key fob battery and replace if weak or dead.
3
Scan the vehicle's onboard diagnostics (OBD-II) for any trouble codes related to the starting system.
4
Verify that all doors, hood, and trunk are closed properly, as the remote start will not engage if any are ajar.
5
Test the remote start system with a second key fob (if available) to rule out a faulty fob.
6
Inspect the vehicle’s remote start module (if equipped) for any visible damage or loose connections.

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.