how to fix the remote start not working on my Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

570 words

Problem Statement

Learn how to diagnose and fix the remote start issue on your 2013-2019 Toyota Corolla E170. 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

•Ensure the vehicle is in park and on a flat surface before performing repairs.
•Disconnect the battery before working on the electrical components.

Symptoms

•Remote key fob does not trigger the remote start
•No response from the vehicle when the remote start button is pressed
•Vehicle starts normally using the ignition key
•Security light on the dashboard may flash or remain illuminated
•Check engine light may be illuminated (if related to remote start system)

Diagnostic Steps

1
Check the battery in the remote key fob and replace if weak or dead.
2
Inspect the vehicle's fuse box for any blown fuses related to the remote start system.
3
Scan the vehicle for diagnostic trouble codes (DTCs) using an OBD-II scanner.
4
Verify that the vehicle is within the appropriate range for remote start operation.
5
Ensure that the vehicle's doors are fully closed and that the hood is secure.
6
Confirm that the security system is not preventing the remote start from activating.

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
•Replacement key fob battery

Parts Required

•Fuse (if blown)
•Replacement key fob battery (if needed)

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Symptoms

•Remote key fob does not trigger the remote start

•No response from the vehicle when the remote start button is pressed

•Vehicle starts normally using the ignition key

•Security light on the dashboard may flash or remain illuminated

•Check engine light may be illuminated (if related to remote start system)

Diagnostic Steps

1
Check the battery in the remote key fob and replace if weak or dead.
2
Inspect the vehicle's fuse box for any blown fuses related to the remote start system.
3
Scan the vehicle for diagnostic trouble codes (DTCs) using an OBD-II scanner.
4
Verify that the vehicle is within the appropriate range for remote start operation.
5
Ensure that the vehicle's doors are fully closed and that the hood is secure.
6
Confirm that the security system is not preventing the remote start from activating.

Solution

1. Preparation

Gather tools and parts required for the repair.
Tools Required: OBD-II scanner, multimeter, replacement key fob battery (if needed), screwdriver set.
Safety Warnings: Ensure the vehicle is in park and on a flat surface.

2. Replace Key Fob Battery (if necessary)

Sub-steps:
1. Open the key fob using a flathead screwdriver.
2. Remove the old battery and insert a new battery, ensuring correct polarity.
3. Reassemble the key fob and test the remote start function.

3. Inspect and Replace Fuses

Sub-steps:
1. Open the fuse box located under the dashboard or hood.
2. Locate the fuse for the remote start system (refer to the owner’s manual for the specific fuse location).
3. Remove the fuse using pliers and inspect for damage.
4. Replace with a new fuse of the same amperage if blown.
5. Close the fuse box and test the remote start function.

4. Reset Security System (if necessary)

Sub-steps:
1. Disconnect the vehicle's battery for 10 minutes to reset the security system.
2. Reconnect the battery and ensure all connections are tight.
3. Test the remote start function again.

5. Reprogram the Key Fob (if necessary)

Sub-steps:
1. Insert the key into the ignition and turn to the "ON" position without starting the engine.
2. Press and hold the "LOCK" button on the key fob for a few seconds.
3. Turn the key to "OFF" and remove it from the ignition.
4. Test the remote start function to check if it has been reprogrammed successfully.