what to do if my Toyota Corolla E170 (2013-2019) remote start is not working?

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

499 words

Problem Statement

Learn how to diagnose and fix the remote start issue in your 2013-2019 Toyota Corolla E170. 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 systems to prevent shock or shorts.
•Ensure the vehicle is in a safe location before testing remote start functions.

Symptoms

•Remote start button does not respond when pressed
•No engine crank or start sound
•Check engine light may be illuminated
•Interior lights may not activate with remote start
•Security system indicator flashing or steady
•Remote key fob battery may be low or dead

Diagnostic Steps

1
Verify that the vehicle's battery is fully charged and in good condition.
2
Check if the key fob battery is functioning; replace if necessary.
3
Scan for any error codes using an OBD-II scanner to identify potential issues.
4
Inspect the remote start system's wiring and connections for damage or loose connections.
5
Confirm that all doors, hood, and trunk are properly closed, as remote start systems typically require all to be secure.
6
Test the remote start function with a backup key fob, if available, to rule out a faulty key fob.

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 flat-head screwdriver
•Multimeter
•Torque wrench

Parts Required

•CR2032 battery or equivalent
•Replacement wiring or connectors

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Verify that the vehicle's battery is fully charged and in good condition.
2
Check if the key fob battery is functioning; replace if necessary.
3
Scan for any error codes using an OBD-II scanner to identify potential issues.
4
Inspect the remote start system's wiring and connections for damage or loose connections.
5
Confirm that all doors, hood, and trunk are properly closed, as remote start systems typically require all to be secure.
6
Test the remote start function with a backup key fob, if available, to rule out a faulty key fob.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is in a well-ventilated area.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Replace Key Fob Battery

Sub-steps:
- Open the key fob using a small flat-head screwdriver.
- Remove the old battery and replace it with a new CR2032 or equivalent battery, ensuring correct polarity.
- Reassemble the key fob.

3. Inspect and Repair Wiring

Sub-steps:
- Reconnect the negative battery terminal.
- Locate the remote start module under the dashboard and visually inspect the wiring.
- Use a multimeter to check for continuity in the wiring harness.
- Repair or replace any damaged wires or connectors identified.

4. Reset the Remote Start System

Sub-steps:
- Reconnect the negative battery terminal.
- Turn the ignition to the "ON" position (do not start the engine).
- Wait for 30 seconds, then turn the ignition off.
- Test the remote start function.