how to fix my Toyota Corolla E170 (2013-2019) when it won't start at all

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

546 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a no-start condition in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock or short circuits.
•Allow the engine to cool before inspecting starter motor components.

Symptoms

•No sound or clicking noise when the key is turned to the start position
•Dashboard warning lights illuminate but engine does not crank
•Battery warning light may be on
•Possible dimming of interior lights when attempting to start
•No response from electrical accessories (radio, lights) when the key is turned

Diagnostic Steps

1
Check the battery voltage with a multimeter to ensure it is above 12.4 volts.
2
Inspect battery terminals for corrosion and ensure they are tightly connected.
3
Test the starter motor's operation by bypassing the ignition switch with a remote starter switch.
4
Scan the vehicle's OBD-II system for any error codes related to the starting system.
5
Verify the integrity of the ignition switch by checking for continuity with a multimeter.
6
Inspect the fuses related to the starting system for any blown fuses.

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
•Wire brush
•Remote starter switch
•Fuse puller or pliers

Parts Required

•Battery (if faulty)
•Starter motor (if faulty)
•Fuses (as needed)

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Symptoms

•No sound or clicking noise when the key is turned to the start position

•Dashboard warning lights illuminate but engine does not crank

•Battery warning light may be on

•Possible dimming of interior lights when attempting to start

•No response from electrical accessories (radio, lights) when the key is turned

Diagnostic Steps

1
Check the battery voltage with a multimeter to ensure it is above 12.4 volts.
2
Inspect battery terminals for corrosion and ensure they are tightly connected.
3
Test the starter motor's operation by bypassing the ignition switch with a remote starter switch.
4
Scan the vehicle's OBD-II system for any error codes related to the starting system.
5
Verify the integrity of the ignition switch by checking for continuity with a multimeter.
6
Inspect the fuses related to the starting system for any blown fuses.

Solution

1. Preparation

Gather tools and parts required.
Ensure the vehicle is in a safe location, preferably with the engine off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Battery Inspection

Sub-steps:
- Remove the battery terminals (negative first, then positive).
- Clean any corrosion from the terminals using a wire brush and a mixture of baking soda and water.
- Reconnect the battery terminals, ensuring a tight fit.

3. Starter Motor Testing

Sub-steps:
- Locate the starter motor (usually near the bottom of the engine).
- Use a remote starter switch to bypass the ignition circuit by connecting the starter motor's positive terminal directly to the battery.
- If the starter engages and the engine turns over, replace the ignition switch.
- If not, the starter motor may need replacement.

4. Replace Fuses (if necessary)

Sub-steps:
- Identify the fuse box location (typically under the dashboard or hood).
- Use the fuse diagram to locate the starter and ignition fuses.
- Remove any blown fuses and replace them with fuses of the same amperage.

5. Recheck Components

After any repairs, reconnect the battery terminals and ensure all connections are secure.
Test the vehicle's starting system again.