how to troubleshoot my Toyota Corolla E170 (2013-2019) that won’t start?

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

554 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 troubleshoot and fix the no-start condition in your 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic steps and solutions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or short circuits

Symptoms

•Engine does not crank when the key is turned to the start position
•Dashboard lights illuminate but dim when attempting to start
•Clicking sound from the engine bay when the key is turned
•No response from the engine at all (silence)
•Possible security system warning light illuminated
•Battery warning light may be on or flashing

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read at least 12.4 volts for a healthy battery
2
Inspect battery terminals for corrosion or loose connections; clean and tighten if necessary
3
Test the starter relay by swapping it with another relay of the same type in the fuse box
4
Perform a continuity test on the starter motor wiring to ensure no breaks exist in the circuit
5
Scan the vehicle with an OBD-II scanner to check for any stored error codes that may indicate a related issue
6
Check the condition of the 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
•Torque wrench
•Wire brush

Parts Required

•Starter relay
•Fuses (if any are blown)
•Starter motor (if found faulty)

Related Faults

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Symptoms

•Engine does not crank when the key is turned to the start position

•Dashboard lights illuminate but dim when attempting to start

•Clicking sound from the engine bay when the key is turned

•No response from the engine at all (silence)

•Possible security system warning light illuminated

•Battery warning light may be on or flashing

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read at least 12.4 volts for a healthy battery
2
Inspect battery terminals for corrosion or loose connections; clean and tighten if necessary
3
Test the starter relay by swapping it with another relay of the same type in the fuse box
4
Perform a continuity test on the starter motor wiring to ensure no breaks exist in the circuit
5
Scan the vehicle with an OBD-II scanner to check for any stored error codes that may indicate a related issue
6
Check the condition of the fuses related to the starting system

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, wire brush.
Disconnect the negative terminal of the battery to ensure safety while working on electrical components.

2. Battery and Connections

Sub-step 1: Clean the battery terminals with a wire brush to remove any corrosion.
Sub-step 2: Tighten the battery terminal connections securely.
Sub-step 3: Reconnect the negative battery terminal.

3. Starter Relay and Fuse Check

Sub-step 1: Identify the starter relay in the fuse box; remove and inspect it for any visible damage.
Sub-step 2: If damaged, replace the starter relay with a new one.
Sub-step 3: Check the associated fuses for continuity; replace any blown fuses with the correct amperage.

4. Starter Motor Inspection

Sub-step 1: Locate the starter motor and inspect the wiring for any signs of wear or damage.
Sub-step 2: Use a multimeter to test for voltage at the starter motor when the key is turned to the start position.
Sub-step 3: If voltage is present, and the starter does not engage, replace the starter motor.

5. Verify Security System

Sub-step 1: Check if the security light is blinking or illuminated.
Sub-step 2: If present, reset the security system by following the procedure outlined in the owner’s manual.