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

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

534 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) with clicking noise. Step-by-step guide included.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components
•Allow the engine to cool before working on the starter motor

Symptoms

•Single clicking noise when turning the ignition key
•Dashboard lights illuminate but may dim when the key is turned
•No engine cranking or turning over
•Possible faint electrical sounds (e.g., relay clicking)
•Battery warning light may illuminate

Diagnostic Steps

1
Inspect the battery voltage with a multimeter to determine if it is sufficiently charged (should be around 12.6 volts)
2
Check battery connections for corrosion or looseness
3
Test the starter relay by swapping it with a similar relay in the fuse box if available
4
Use an OBD-II scanner to check for any stored error codes that might indicate a starting system issue
5
Inspect the starter motor and connections for any signs of damage or wear
6
Perform a voltage drop test on the starter circuit to ensure proper current flow

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
•Wrench set
•Socket set
•Screwdriver
•OBD-II scanner

Parts Required

•New battery (if needed)
•New starter motor (if needed)

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Diagnostic Steps

1
Inspect the battery voltage with a multimeter to determine if it is sufficiently charged (should be around 12.6 volts)
2
Check battery connections for corrosion or looseness
3
Test the starter relay by swapping it with a similar relay in the fuse box if available
4
Use an OBD-II scanner to check for any stored error codes that might indicate a starting system issue
5
Inspect the starter motor and connections for any signs of damage or wear
6
Perform a voltage drop test on the starter circuit to ensure proper current flow

Solution

1. Preparation

Gather necessary tools and parts. Ensure the vehicle is parked on a flat surface and the ignition is off.
Tools Required: Multimeter, wrench set, socket set, screwdriver, OBD-II scanner.

2. Battery Replacement (if needed)

Disconnect the Battery
- Use a wrench to disconnect the negative terminal first, followed by the positive terminal.
Remove Old Battery
- Unscrew the battery hold-down bracket and carefully lift the battery out of the tray.
Install New Battery
- Place the new battery in the tray, ensuring it is oriented correctly (positive and negative terminals in the right position).
- Reattach the hold-down bracket securely.
Connect Battery Terminals
- Connect the positive terminal first, followed by the negative terminal. Ensure connections are tight.

3. Starter Motor Replacement (if needed)

Remove Starter Motor
- Disconnect the battery again for safety.
- Locate the starter motor (usually near the transmission).
- Remove the wiring harness connected to the starter.
- Unbolt the starter motor using a socket set (typically 2-3 bolts).
- Carefully extract the starter motor.
Install New Starter Motor
- Position the new starter motor in place and secure it with bolts, torquing them to the specified value (consult service manual for exact torque specs).
- Reconnect the wiring harness securely.

4. Final Checks

Reconnect the battery and ensure all connections are secure.
Start the vehicle to test functionality.