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

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

577 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 the 2013-2019 Toyota Corolla E170. 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

•Always disconnect the negative terminal first to avoid short circuits
•Ensure the ignition is off while inspecting fuses
•Disconnect the battery before working on the starter
•Allow the engine to cool before attempting to access the starter motor

Symptoms

•Clicking noise when turning the key or pressing the start button
•Engine does not crank or turn over
•Dashboard lights may dim when attempting to start
•Power accessories (radio, lights) function normally
•Check engine light may be illuminated
•Battery warning light may appear

Diagnostic Steps

1
Check the battery voltage using a multimeter (should be above 12.4 volts)
2
Inspect battery terminals for corrosion or looseness
3
Test the starter relay by swapping it with another relay of the same type in the fuse box
4
Check the fuses related to the starting system for any blown fuses
5
Perform a voltage drop test on the battery cables to ensure they are not faulty
6
Test the starter motor by applying direct battery voltage to it

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
•Wire brush
•Jumper wires
•Fuse puller

Parts Required

•New battery (if necessary)
•Starter relay (if faulty)
•Fuses (if blown)
•Starter motor (if defective)

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Diagnostic Steps

1
Check the battery voltage using a multimeter (should be above 12.4 volts)
2
Inspect battery terminals for corrosion or looseness
3
Test the starter relay by swapping it with another relay of the same type in the fuse box
4
Check the fuses related to the starting system for any blown fuses
5
Perform a voltage drop test on the battery cables to ensure they are not faulty
6
Test the starter motor by applying direct battery voltage to it

Solution

1. Preparation

Gather tools including a multimeter, socket set, and a jumper wire.
Ensure the vehicle is in park (automatic) or neutral (manual) and the parking brake is engaged.

2. Battery Check and Replacement

Sub-steps:
1. Disconnect the negative (-) terminal of the battery.
2. Remove the positive (+) terminal.
3. Clean the terminals and battery posts with a wire brush if corroded.
4. Test the battery voltage; replace the battery if it is below 12.4 volts.
5. Install the new battery: connect the positive terminal first, followed by the negative terminal.
Tools Required: Multimeter, wire brush
Safety Warnings: Always disconnect the negative terminal first to avoid short circuits.

3. Starter Relay and Fuse Inspection

Sub-steps:
1. Locate the fuse box under the dash and the engine compartment.
2. Identify the starter relay and remove it.
3. Inspect the relay for signs of damage; replace if necessary.
4. Check the fuses related to the starter circuit; replace any blown fuses.
Tools Required: Fuse puller or pliers
Safety Warnings: Ensure the ignition is off while inspecting fuses.

4. Starter Motor Testing

Sub-steps:
1. Locate and remove the starter motor from the engine compartment.
2. Use jumper wires to connect the starter directly to the battery to test its operation.
3. If the starter does not engage, replace it.
4. Reinstall the starter motor, ensuring all connections are tight.
Tools Required: Socket set, jumper wires
Safety Warnings: Disconnect the battery before working on the starter.