my Toyota Corolla E170 (2013-2019) won't start and just clicks, what should I do?

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

492 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

•Always wear gloves and safety goggles when handling batteries.
•Disconnect the negative battery terminal for safety.
•Ensure the key is out of the ignition before working on the starter.
•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening any components.

Symptoms

•Clicking noise when turning the ignition key
•Dashboard lights flicker or dim
•No engine cranking or turning over
•Battery warning light illuminated
•Electrical accessories may not function properly

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter relay by swapping it with a similar relay in the fuse box.
4
Perform a voltage drop test on the battery cables to ensure proper current flow.
5
Check the fuses related to the starting system for any blown fuses.
6
Confirm that the transmission is in 'Park' or 'Neutral' for automatic transmissions.

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
•Wrenches
•Wire brush
•Socket set
•Torque wrench

Parts Required

•Battery (if necessary)
•Starter motor (if necessary)

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter relay by swapping it with a similar relay in the fuse box.
4
Perform a voltage drop test on the battery cables to ensure proper current flow.
5
Check the fuses related to the starting system for any blown fuses.
6
Confirm that the transmission is in 'Park' or 'Neutral' for automatic transmissions.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is in a safe, flat location.
Disconnect the negative battery terminal for safety.

2. Battery Inspection and Replacement

Sub-steps:
1. Reconnect the battery and use a multimeter to check voltage.
2. If the voltage is low, jump-start the vehicle. If it starts, replace the battery.
3. If the battery is not holding a charge, replace it with a new one (Group Size 35 recommended).
Tools Required: Multimeter, wrenches.
Safety Warnings: Always wear gloves and safety goggles when handling batteries.

3. Cleaning Battery Connections

Sub-steps:
1. Disconnect the battery terminals (negative first, then positive).
2. Clean the terminals and cable connectors with a wire brush to remove corrosion.
3. Reconnect the battery terminals, ensuring a snug fit.
Tools Required: Wire brush, wrenches.

4. Starter Motor Test and Replacement

Sub-steps:
1. Locate the starter motor and inspect for any visible damage or loose connections.
2. If necessary, remove the starter motor from the vehicle (usually requires removing bolts and disconnecting the electrical connector).
3. Test the starter motor by bench testing it with a direct power source.
4. If the starter fails the test, replace it with a new starter motor.
Tools Required: Socket set, torque wrench.
Safety Warnings: Ensure the key is out of the ignition before working on the starter.