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

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

487 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 condition in Toyota Corolla E170 (2013-2019) with clicking sound. Step-by-step guide 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.
•Allow the engine to cool before performing any inspections or repairs.

Symptoms

•Clicking noise from the starter motor
•Dashboard lights dimming when the key is turned to the start position
•No engine cranking or ignition
•Battery warning light illuminated
•Possible electrical accessories not functioning properly

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read at least 12.4 volts.
2
Inspect battery terminals and cable connections for corrosion or looseness.
3
Test the starter motor by bypassing the ignition circuit with a remote starter switch.
4
Check the fuses related to the starting system, specifically the starter relay and ignition fuse.
5
Inspect the wiring harness for any signs of damage or wear.
6
Verify the condition of the ignition switch and starter relay functionality.

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
•Battery charger or jumper cables
•Wire brush
•Wrench set
•Socket set
•Screwdriver

Parts Required

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

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read at least 12.4 volts.
2
Inspect battery terminals and cable connections for corrosion or looseness.
3
Test the starter motor by bypassing the ignition circuit with a remote starter switch.
4
Check the fuses related to the starting system, specifically the starter relay and ignition fuse.
5
Inspect the wiring harness for any signs of damage or wear.
6
Verify the condition of the ignition switch and starter relay functionality.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the negative terminal of the battery to ensure safety.

2. Battery Testing and Replacement

Sub-steps:
1. Use a multimeter to measure the battery voltage.
2. If the voltage is below 12.4 volts, connect a battery charger or jump-start the vehicle.
3. If the battery is old (over 3-5 years), consider replacing it with a new battery.
Tools Required: Multimeter, battery charger or jumper cables.

3. Inspect and Clean Battery Terminals

Sub-steps:
1. Remove the battery terminals, starting with the negative terminal.
2. Use a wire brush to clean any corrosion from the terminal posts and connectors.
3. Reconnect the battery terminals securely, ensuring a tight fit.
Tools Required: Wire brush, wrench set.

4. Starter Motor and Relay Check

Sub-steps:
1. Locate the starter motor and check the connections.
2. Test the starter relay by swapping it with another identical relay in the fuse box.
3. If the starter still does not engage, consider replacing the starter motor.
Tools Required: Socket set, screwdriver, multimeter.

5. Reconnect Battery and Test

Sub-steps:
1. Reconnect the negative terminal of the battery.
2. Attempt to start the vehicle and observe for successful engine cranking.
Tools Required: None.