why does my Toyota Corolla E170 (2013-2019) remote start not work

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

498 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 solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe area during testing to prevent accidental movement.

Symptoms

•Remote start button does not respond when pressed
•Engine does not crank or start remotely
•Security light may be flashing on the dashboard
•No ignition sounds or engine noise when attempting to use the remote start
•Possible warning message on the vehicle’s display

Diagnostic Steps

1
Check the vehicle's battery voltage to ensure it is fully charged.
2
Verify that all doors are closed properly and the hood is securely latched.
3
Inspect the remote key fob for low battery or damage.
4
Scan the vehicle's OBD-II system for any fault codes related to the remote start or engine immobilizer.
5
Confirm that the remote start feature is enabled in the vehicle’s settings.
6
Test the remote start function with a spare key fob if available.

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
•Small flathead screwdriver

Parts Required

•Key fob battery (typically CR2032)

Related Faults

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Diagnostic Steps

1
Check the vehicle's battery voltage to ensure it is fully charged.
2
Verify that all doors are closed properly and the hood is securely latched.
3
Inspect the remote key fob for low battery or damage.
4
Scan the vehicle's OBD-II system for any fault codes related to the remote start or engine immobilizer.
5
Confirm that the remote start feature is enabled in the vehicle’s settings.
6
Test the remote start function with a spare key fob if available.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, multimeter, and replacement key fob battery if needed.
Ensure the vehicle is in a safe, open area to conduct tests.

2. Inspect and Replace Remote Key Fob Battery

Sub-steps:
1. Open the remote key fob using a small flathead screwdriver.
2. Remove the old battery and replace it with a new one (typically CR2032).
3. Reassemble the key fob and test the remote start function.

3. Check Vehicle Battery and Connections

Sub-steps:
1. Use a multimeter to measure the battery voltage; it should read around 12.6 volts or higher.
2. Inspect battery terminals for corrosion or loose connections and clean or tighten as necessary.

4. Verify Remote Start Settings

Sub-steps:
1. Access the vehicle’s settings menu on the dashboard display.
2. Navigate to the remote start feature settings and ensure it is activated.
3. If changes are made, save settings and attempt to use the remote start again.

5. Check for Fault Codes

Sub-steps:
1. Connect the OBD-II scanner to the vehicle's diagnostic port.
2. Scan for any stored fault codes related to the remote start or security system.
3. Investigate and address any codes found, referring to repair manuals for specific guidance.