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

550 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 a 2013-2019 Toyota Corolla E170. 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

•Disconnect battery before working on electrical systems.
•Allow the engine to cool before inspecting the starter motor.

Symptoms

•Engine does not crank
•Clicking noise from the starter area
•Dashboard lights dim or flicker when attempting to start
•Possible battery warning light illuminated
•No response from the starter motor when turning the key

Diagnostic Steps

1
Check battery voltage using a multimeter; it should read around 12.6 volts for a fully charged battery.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter motor by applying direct battery voltage to it.
4
Check the fuses related to the starting system for any blown fuses.
5
Measure voltage at the starter solenoid while attempting to start the engine.
6
Inspect the ignition switch operation and wiring for faults.

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

•OBD-II scanner
•Multimeter
•Socket set
•Wrenches
•Wire brush

Parts Required

•New battery (if tested faulty)
•Starter motor (if tested faulty)
•Ignition switch (if tested faulty)

Related Faults

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Diagnostic Steps

1
Check battery voltage using a multimeter; it should read around 12.6 volts for a fully charged battery.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter motor by applying direct battery voltage to it.
4
Check the fuses related to the starting system for any blown fuses.
5
Measure voltage at the starter solenoid while attempting to start the engine.
6
Inspect the ignition switch operation and wiring for faults.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, and wrenches.
Ensure the vehicle is in park or neutral and the parking brake is engaged.
Disconnect the battery negative terminal to ensure safety.

2. Battery Inspection

Sub-step 1: Clean battery terminals using a wire brush and apply dielectric grease to prevent future corrosion.
Sub-step 2: If the battery voltage is low, attempt to jump-start the vehicle using jumper cables connected to a functioning vehicle.
Sub-step 3: If the battery is more than three years old and shows low voltage, consider replacing it.

3. Starter Motor Testing

Sub-step 1: Locate the starter motor under the vehicle or in the engine bay.
Sub-step 2: Disconnect the wiring harness from the starter motor.
Sub-step 3: Use a multimeter to check for voltage at the starter terminals when the ignition key is turned to the start position.
Sub-step 4: If there is no voltage, trace wiring back to the ignition switch; if voltage is present but the starter does not engage, replace the starter motor.

4. Ignition System Check

Sub-step 1: Inspect the ignition switch for wear or damage, and test using a multimeter to ensure continuity when the key is turned.
Sub-step 2: If the ignition switch is faulty, replace it following the manufacturer’s service manual.

5. Final Assembly

Sub-step 1: Reconnect the battery negative terminal.
Sub-step 2: Ensure all connections are tight and secure.
Sub-step 3: Start the vehicle to confirm the repairs.