my Toyota Corolla E170 (2013-2019) won’t start and just clicks what should I check

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

584 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 the no-start issue in Toyota Corolla E170 (2013-2019). 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.
•Ensure the ignition is off before inspecting the starter motor.

Symptoms

•Engine does not crank, only a clicking sound is heard
•Dashboard lights may dim when the key is turned
•Possible low battery warning on the dashboard
•No response from the starter motor
•Potential flickering of interior lights when attempting to start

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts for a healthy battery.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the battery by attempting to jump-start the vehicle.
4
Check the fuses related to the starting system for any blown fuses.
5
Use an OBD-II scanner to check for related error codes that may indicate electrical issues.
6
Confirm the battery's state of charge by performing a load test.

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
•Wrench set
•OBD-II scanner
•Battery charger

Parts Required

•Replacement battery (if necessary)
•Starter motor (if necessary)
•Fuses (if blown)

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts for a healthy battery.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the battery by attempting to jump-start the vehicle.
4
Check the fuses related to the starting system for any blown fuses.
5
Use an OBD-II scanner to check for related error codes that may indicate electrical issues.
6
Confirm the battery's state of charge by performing a load test.

Solution

1. Preparation

Gather tools: multimeter, socket set, wrench set, OBD-II scanner, battery charger.
Ensure the vehicle is in a safe location with the ignition off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Battery Inspection and Replacement

Inspect the Battery:
- Reconnect the battery terminals if they were disconnected.
- Check for corrosion on the terminals. If present, clean with a mixture of baking soda and water.
Test the Battery:
- Connect a multimeter to the battery terminals. If the voltage is below 12.4 volts, charge the battery using a battery charger.
- If the battery does not hold charge or has a voltage below 12 volts after charging, replace the battery.
Replace the Battery (if necessary):
- Remove the old battery by loosening the terminal bolts and lifting it out of the tray.
- Place the new battery in the tray, ensuring it is secured.
- Connect the positive terminal first, followed by the negative terminal.

3. Starter System Check

Inspect Starter Connections:
- Access the starter motor, usually located near the transmission.
- Inspect the wiring harness and connections to the starter for damage or corrosion.
Test the Starter:
- Using a multimeter, check for voltage at the starter terminal while someone tries to start the engine.
- If voltage is present but the starter does not engage, replace the starter motor.

4. Fuses and Relays

Check Fuses:
- Locate the fuse box and check the fuses related to the starter and ignition systems.
- Replace any blown fuses with the same amperage rating.
Inspect Relays:
- Test the starter relay for proper function. If it is defective, replace it.