how to replace the battery in my Toyota Corolla E170 (2013-2019) key fob

Toyota Corolla E170 (2013-2019)

Error Codes

15-30 minutes

Time

easy

Difficulty

low

Severity

3 min read

413 words

Problem Statement

Learn how to replace the battery in your Toyota Corolla E170 key fob (2013-2019). Step-by-step guide with symptoms, tools, and safety tips.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Avoid using excessive force when opening the key fob to prevent damage.

Symptoms

•Key fob is not responding to button presses
•Difficulty unlocking or locking the doors remotely
•Warning light on dashboard indicating key fob issue
•Range of the key fob is significantly reduced

Diagnostic Steps

1
Confirm that the issue is with the key fob by testing it with a spare key fob, if available.
2
Inspect the key fob for physical damage or signs of wear.
3
Check the battery voltage using a multimeter if accessible.

Solution

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

•Small flathead screwdriver
•Plastic prying tool

Parts Required

•CR2032 battery

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Solution

1. Preparation

Gather the necessary tools and parts.
Tools Required: Small flathead screwdriver or plastic prying tool
Parts Required: CR2032 battery (or appropriate battery type as specified)
Ensure work area is clean and well-lit.

2. Open the Key Fob

Insert the small flathead screwdriver or plastic prying tool into the seam of the key fob.
Gently twist the tool to separate the two halves of the key fob. Be cautious not to damage the casing.

3. Remove the Old Battery

Locate the old battery inside the key fob.
Note the orientation of the battery (positive and negative sides).
Carefully pry out the old battery using the screwdriver.

4. Install the New Battery

Place the new CR2032 battery into the key fob, ensuring it matches the original orientation (positive side facing up).
Press down gently until the battery is securely in place.

5. Reassemble the Key Fob

Align the two halves of the key fob.
Press them together until they click, ensuring they are sealed properly.