how to fix my Toyota Corolla E170 (2013-2019) if it won’t start and just clicks

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

558 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 issue in the Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 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 working on any components in the engine bay.

Symptoms

•Single click sound when attempting to start
•Dashboard lights illuminate but engine does not crank
•Battery warning light may be illuminated
•Possible dimming of dashboard lights when the key is turned
•No response from the starter motor
•Potential intermittent starting issues prior to complete failure

Diagnostic Steps

1
Check the battery voltage using a multimeter to confirm it is above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter relay by swapping it with another identical relay in the fuse box.
4
Inspect the fuses related to the starting system for any blown fuses.
5
Perform a voltage drop test on the battery cables to check for excessive resistance.
6
Ensure the gear selector is in the 'Park' or 'Neutral' position (if automatic).

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
•Socket set
•Torque wrench
•Screwdriver set
•Battery terminal cleaner

Parts Required

•Replacement battery (if needed)
•Starter motor (if faulty)

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Symptoms

•Single click sound when attempting to start

•Dashboard lights illuminate but engine does not crank

•Battery warning light may be illuminated

•Possible dimming of dashboard lights when the key is turned

•No response from the starter motor

•Potential intermittent starting issues prior to complete failure

Diagnostic Steps

1
Check the battery voltage using a multimeter to confirm it is above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter relay by swapping it with another identical relay in the fuse box.
4
Inspect the fuses related to the starting system for any blown fuses.
5
Perform a voltage drop test on the battery cables to check for excessive resistance.
6
Ensure the gear selector is in the 'Park' or 'Neutral' position (if automatic).

Solution

1. Preparation

Gather tools and components required for the repair.
Ensure the vehicle is in a safe location, with the ignition off.
Disconnect the battery to ensure safety while working on the electrical system.

2. Inspect and Replace the Battery

Sub-steps:
1. Remove the battery terminals starting with the negative (-) terminal followed by the positive (+) terminal.
2. Remove the battery hold-down bracket and lift the battery out of the tray.
3. Inspect the battery for any physical damage or swelling.
4. If the battery voltage is below 12.4 volts or the battery is old (over 3-5 years), replace it with a new one.
5. Install the new battery by placing it in the tray, securing it with the hold-down bracket, and reconnecting the positive (+) terminal followed by the negative (-) terminal.

3. Check and Replace the Starter Motor

Sub-steps:
1. Locate the starter motor (typically found near the bottom of the engine near the transmission).
2. Disconnect the electrical connections: first the negative battery terminal, then the starter motor wiring.
3. Remove the mounting bolts securing the starter motor to the engine block.
4. Carefully remove the starter motor from the vehicle.
5. Install the new starter motor by reversing the removal steps, ensuring all electrical connections are secure.
6. Reconnect the negative battery terminal and test the vehicle's starting function.