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

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

582 words

Problem Statement

Learn how to diagnose and fix the remote start feature not working on Toyota Corolla E170 (2013-2019). Step-by-step guide with troubleshooting tips.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Ensure the vehicle is in a well-ventilated area when running diagnostics.

Symptoms

•Remote start button does not respond when pressed
•No engine crank or ignition sounds after button press
•LED indicators on the remote do not light up
•Check engine light illuminated on the dashboard
•Vehicle starts normally using the ignition key

Diagnostic Steps

1
Check the battery in the key fob for charge and proper operation.
2
Inspect the remote start module for any visible damage or loose connections.
3
Verify that all doors are closed and that the hood is securely latched.
4
Use an OBD-II scanner to check for any trouble codes that may affect the remote start feature.
5
Test the remote start function with a different key fob if available.
6
Confirm that the vehicle's security system is not engaged or preventing remote start.

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
•Basic hand tools (screwdrivers, socket set)

Parts Required

•CR2032 battery (for key fob)
•Replacement remote start module (if necessary)
•Hood latch sensor (if defective)

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Diagnostic Steps

1
Check the battery in the key fob for charge and proper operation.
2
Inspect the remote start module for any visible damage or loose connections.
3
Verify that all doors are closed and that the hood is securely latched.
4
Use an OBD-II scanner to check for any trouble codes that may affect the remote start feature.
5
Test the remote start function with a different key fob if available.
6
Confirm that the vehicle's security system is not engaged or preventing remote start.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, basic hand tools (screwdrivers, socket set).
Ensure the vehicle is in a safe area and the engine is off. Disconnect the battery for safety.

2. Replace Key Fob Battery

Open the key fob using a flathead screwdriver.
Remove the old battery and replace it with a new CR2032 battery.
Reassemble the key fob and test the remote start function.

3. Inspect and Repair Remote Start Module

Locate the remote start module, typically found under the dashboard or near the fuse box.
Check all wiring connections to ensure they are secure and free of corrosion.
If any connections are loose, reconnect them and secure with zip ties if necessary.
If the module is damaged, replace it with a new unit according to the manufacturer's specifications.

4. Check Door and Hood Sensors

Ensure all doors and the trunk are fully closed. Open and close each door to reset any faulty sensors.
Inspect the hood latch sensor for proper alignment and functionality. Clean any corrosion from the contacts.
If the sensor is defective, replace it to ensure the remote start system can function properly.

5. Clear Trouble Codes

Reconnect the battery once all checks are complete.
Use the OBD-II scanner to clear any stored trouble codes.
Test the remote start to see if the issue has been resolved.