how to fix the remote start issue in my Toyota Corolla E170 (2013-2019)?

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

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

•Disconnect the battery before working on electrical components to avoid shock or short circuits.

Symptoms

•Remote start button does not respond
•Vehicle does not start when using the remote
•Check engine light illuminated
•Alarm system activates unexpectedly
•Issues with key fob battery or function

Diagnostic Steps

1
Check the battery in the key fob to ensure it has sufficient power.
2
Verify that the remote start system is enabled in the vehicle settings.
3
Inspect the vehicle for any active error codes using an OBD-II scanner.
4
Ensure that the hood and doors are fully closed and not triggering safety interlocks.
5
Test the remote start feature with a different key fob if available.
6
Check for any blown fuses related to the remote start system.

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
•Small flathead screwdriver
•Fuse puller

Parts Required

•Key fob battery (CR2032)
•Replacement fuses (if necessary)

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Diagnostic Steps

1
Check the battery in the key fob to ensure it has sufficient power.
2
Verify that the remote start system is enabled in the vehicle settings.
3
Inspect the vehicle for any active error codes using an OBD-II scanner.
4
Ensure that the hood and doors are fully closed and not triggering safety interlocks.
5
Test the remote start feature with a different key fob if available.
6
Check for any blown fuses related to the remote start system.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked safely and the engine is off.
Disconnect the negative battery terminal to avoid electrical issues.

2. Replace Key Fob Battery

Sub-steps:
- Use a small flathead screwdriver to carefully pry open the key fob.
- Remove the old battery and replace it with a new one (usually CR2032).
- Reassemble the key fob and test the remote start function.

3. Inspect Fuses

Sub-steps:
- Locate the fuse box, usually found under the dashboard or in the engine compartment.
- Refer to the owner’s manual for the specific fuse associated with the remote start system.
- Remove the fuse using a fuse puller and inspect it for any damage.
- Replace if necessary and ensure it is securely seated.

4. Check Vehicle Settings

Sub-steps:
- Start the vehicle using the ignition key.
- Navigate to the vehicle settings on the dashboard display.
- Ensure that the remote start feature is enabled.
- Save any changes and turn off the vehicle.

5. Inspect Safety Switches

Sub-steps:
- Check the hood latch sensor to ensure it is functioning properly.
- Inspect door sensors to confirm that they are not faulty.
- If any safety switches are malfunctioning, replace them as necessary.

6. Reconnect Battery

Reconnect the negative battery terminal securely.
Start the vehicle normally to reset the system.