how to resolve my Toyota Corolla E170 (2013-2019) remote start issues?

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

524 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 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 components to avoid shorts.

Symptoms

•Remote start button does not engage the engine
•Key fob battery is functional but not responding
•Engine does not crank or start when remote start is attempted
•Security indicator light flashes rapidly
•No error codes stored in the vehicle's system

Diagnostic Steps

1
Check the key fob battery voltage using a multimeter.
2
Inspect the key fob for physical damage or water exposure.
3
Verify that the vehicle's doors are closed and the hood is latched securely.
4
Scan the vehicle's OBD-II system for any trouble codes related to the remote start feature.
5
Test the remote start system by attempting to start the vehicle from different distances.
6
Check the vehicle's battery voltage to ensure it is within operational limits.

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

•Multimeter
•Small flat-head screwdriver
•OBD-II scanner

Parts Required

•Key fob battery (e.g., CR2032)

Related Faults

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Diagnostic Steps

1
Check the key fob battery voltage using a multimeter.
2
Inspect the key fob for physical damage or water exposure.
3
Verify that the vehicle's doors are closed and the hood is latched securely.
4
Scan the vehicle's OBD-II system for any trouble codes related to the remote start feature.
5
Test the remote start system by attempting to start the vehicle from different distances.
6
Check the vehicle's battery voltage to ensure it is within operational limits.

Solution

1. Preparation

Gather tools and parts required.
Ensure the vehicle is parked in a safe area.
Disconnect the vehicle battery to prevent electrical shorts.

2. Key Fob Inspection and Replacement

Inspect the Key Fob:
- Open the key fob casing using a small flat-head screwdriver.
- Check for any corrosion or damage on the circuit board.
Replace the Key Fob Battery:
- Remove the old battery (usually CR2032).
- Insert a new battery, ensuring proper polarity.
- Reassemble the key fob and test the remote start function.

3. Verify Remote Start Settings

Access Vehicle Settings:
- Turn the ignition to the "ON" position without starting the engine.
- Navigate through the vehicle settings using the dashboard menu.
Check Remote Start Feature:
- Ensure that the remote start option is enabled in the settings.
- If disabled, enable it and turn off the ignition.

4. Reprogram Key Fob (if necessary)

Reprogram the Key Fob:
- Insert the key into the ignition and turn it to "ON" without starting the engine.
- Press and hold the "Lock" button on the key fob for 5 seconds.
- Check if the vehicle responds to the remote start function after reprogramming.

5. Reconnect Battery and Test

Reconnect the Battery:
- Ensure all connections are secure and reconnect the negative terminal.
Test Remote Start:
- Use the key fob to attempt a remote start and observe if the engine starts successfully.