how to fix my Toyota RAV4 XA40 (2013-2018) when the remote start doesn't work?

Toyota RAV4 XA40 (2013-2018)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

521 words

Problem Statement

Learn how to diagnose and fix the remote start issue in your 2013-2018 Toyota RAV4 XA40. 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 shorts or shocks.

Symptoms

•Remote start button does not activate the engine
•No response or feedback from the vehicle when attempting to start remotely
•Dashboard lights may not illuminate
•Possible check engine light illuminated
•Key fob battery may be low or dead

Diagnostic Steps

1
Check the key fob battery and replace it if necessary.
2
Confirm that the vehicle is in an appropriate state for remote starting (e.g., doors closed, hood closed, and transmission in park).
3
Scan the vehicle's onboard diagnostics (OBD-II) for error codes using an OBD-II scanner.
4
Inspect the remote start system's fuses and relays for any blown fuses or malfunctioning relays.
5
Verify that the remote start feature is enabled in the vehicle settings or by the dealer.
6
Check for any interference from electronic devices or physical obstructions that may block the signal.

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 (optional)

Parts Required

•CR2032 key fob battery
•Replacement fuses (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the key fob battery and replace it if necessary.
2
Confirm that the vehicle is in an appropriate state for remote starting (e.g., doors closed, hood closed, and transmission in park).
3
Scan the vehicle's onboard diagnostics (OBD-II) for error codes using an OBD-II scanner.
4
Inspect the remote start system's fuses and relays for any blown fuses or malfunctioning relays.
5
Verify that the remote start feature is enabled in the vehicle settings or by the dealer.
6
Check for any interference from electronic devices or physical obstructions that may block the signal.

Solution

1. Preparation

Gather necessary tools and materials.
Ensure the vehicle is parked in a safe, well-lit area.
Disconnect the battery negative terminal to ensure safety.

2. Replace Key Fob Battery

Use a small flathead screwdriver to gently pry open the key fob casing.
Remove the old battery and replace it with a new CR2032 battery, ensuring proper polarity.
Snap the key fob casing back together.

3. Check Fuses and Relays

Locate the fuse box (typically under the dashboard or in the engine compartment).
Remove the fuse related to the remote start system (refer to the owner's manual for specific fuse location).
Inspect the fuse for continuity; replace if blown.
Check the corresponding relay for proper operation by swapping it with a similar relay in the fuse box.

4. Verify Remote Start Settings

Access the vehicle's settings through the dashboard display or infotainment system.
Navigate to the remote start settings and ensure it is enabled.
If unable to access settings, consult the dealership for reprogramming.

5. Reconnect Battery

Reconnect the negative battery terminal securely.
Start the vehicle normally to reset any electronic systems.

6. Test the Remote Start Function

Press the remote start button on the key fob.
Observe if the vehicle starts; troubleshoot further if necessary.