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

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

547 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 starting issues in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostic steps, 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.
•Ensure the vehicle is in park or neutral and the parking brake is engaged before starting repairs.

Symptoms

•No cranking sound when the ignition key is turned
•Dashboard lights do not illuminate
•No response from the starter motor
•No clicking sound from the starter relay
•Possible absence of power to electrical accessories (radio, lights)

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read above 12.4 volts for a healthy battery.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the fuse related to the ignition and starter system using a multimeter or visual inspection.
4
Attempt to jump-start the vehicle with jumper cables and a functioning vehicle.
5
Check the ignition switch for proper operation.
6
Inspect the starter relay and fuse for continuity.

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
•Jumper cables
•Socket set
•Flathead screwdriver
•Fuse puller

Parts Required

•New battery
•Starter relay
•Starter fuse
•Ignition switch (if faulty)

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read above 12.4 volts for a healthy battery.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the fuse related to the ignition and starter system using a multimeter or visual inspection.
4
Attempt to jump-start the vehicle with jumper cables and a functioning vehicle.
5
Check the ignition switch for proper operation.
6
Inspect the starter relay and fuse for continuity.

Solution

1. Preparation

Gather tools: multimeter, jumper cables, socket set, and a flathead screwdriver.
Ensure the vehicle is in park or neutral and the parking brake is engaged.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Battery Inspection and Replacement

Check Battery Condition
- Reconnect the battery terminal and check the voltage with a multimeter; if below 12.4 volts, proceed to replace the battery.
- Remove the battery by loosening the terminal bolts and lifting it out of the tray.
Install New Battery
- Place the new battery in the tray and secure it with the hold-down clamp.
- Connect the positive terminal first followed by the negative terminal, ensuring a tight fit to avoid corrosion.

3. Starter Relay and Fuse Replacement

Locate the Relay and Fuse
- Refer to the owner’s manual to find the location of the starter relay and fuse.
Replace the Relay
- Remove the old starter relay by pulling it straight out of the socket.
- Insert the new relay securely into the socket.
Replace the Fuse
- Remove the old fuse using a fuse puller and check for continuity.
- Install a new fuse of the same amperage.

4. Ignition Switch Check

Inspect the Ignition Switch
- Remove the steering column cover with a screwdriver.
- Test the ignition switch with a multimeter for continuity when the key is turned to the "start" position.
Replace if Faulty
- If the switch is faulty, disconnect the wiring harness and replace it with a new ignition switch.