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

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

579 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 issue in your 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures 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 components to prevent short circuits
•Allow the engine to cool before inspecting the starter motor to avoid burns

Symptoms

•Clicking sound from the starter relay or solenoid when attempting to start
•Dashboard lights may dim or flicker
•No engine cranking or turnover
•Possible battery warning light illuminated
•Electrical accessories may still function (e.g., lights, radio)

Diagnostic Steps

1
Check the battery charge using a multimeter to measure voltage (should be around 12.6 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
Attempt to jump-start the vehicle with jumper cables and another vehicle
5
Inspect the starter motor connections for damage or looseness
6
Check for any blown fuses related to the starting system

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
•Jumper cables
•Wire brush

Parts Required

•Starter relay (if faulty)
•Fuses (if blown)
•Starter motor (if defective)

Related Faults

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Diagnostic Steps

1
Check the battery charge using a multimeter to measure voltage (should be around 12.6 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
Attempt to jump-start the vehicle with jumper cables and another vehicle
5
Inspect the starter motor connections for damage or looseness
6
Check for any blown fuses related to the starting system

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, and jumper cables.
Ensure the vehicle is in a safe area, parked with the ignition off.
Disconnect the battery cables (negative first, then positive).

2. Battery Inspection

Sub-step 1: Visually inspect the battery for signs of corrosion or damage.
Sub-step 2: Clean the battery terminals with a wire brush if corroded.
Sub-step 3: Reconnect the battery terminals securely and check for tightness.

3. Starter Relay and Fuse Check

Sub-step 1: Locate the starter relay in the fuse box (refer to the owner's manual for exact location).
Sub-step 2: Remove the starter relay and check for continuity with a multimeter.
Sub-step 3: Replace the relay if it is faulty or swap it with a similar relay to test functionality.
Sub-step 4: Inspect and replace any blown fuses related to the starting system.

4. Starter Motor Inspection

Sub-step 1: Locate the starter motor under the vehicle (typically near the transmission).
Sub-step 2: Disconnect the electrical connector from the starter motor.
Sub-step 3: Check for voltage at the starter terminal while a helper turns the key to the start position.
Sub-step 4: If there is no voltage, the ignition switch or wiring may be faulty. If voltage is present, the starter motor may need replacement.
Sub-step 5: If necessary, remove the starter motor using a socket set (note the required torque for reinstallation).

5. Jump Start (if needed)

Sub-step 1: If the battery is weak, connect jumper cables from a working vehicle to the battery terminals.
Sub-step 2: Start the working vehicle and allow it to charge the battery for a few minutes.
Sub-step 3: Attempt to start the Corolla again.