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

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

524 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 the 2013-2019 Toyota Corolla E170. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before working on any components near the engine.

Symptoms

•Clicks when the ignition key is turned
•Dashboard lights dim or flicker
•Engine does not crank or fire
•Possible clicking sound from the starter relay
•Battery warning light illuminated

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts.
2
Inspect battery terminals for corrosion or looseness.
3
Test the starter motor by bypassing it with a jumper wire.
4
Examine the fuses related to the starting system for any blown fuses.
5
Check the ignition switch for proper operation.
6
Inspect wiring and connections between the battery, starter, and ignition switch.

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
•Socket set
•Jumper wire
•Wire brush

Parts Required

•New battery (if necessary)
•New starter motor (if necessary)
•Replacement fuses (if blown)

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts.
2
Inspect battery terminals for corrosion or looseness.
3
Test the starter motor by bypassing it with a jumper wire.
4
Examine the fuses related to the starting system for any blown fuses.
5
Check the ignition switch for proper operation.
6
Inspect wiring and connections between the battery, starter, and ignition switch.

Solution

1. Preparation

Gather necessary tools and parts: multimeter, socket set, jumper wire, replacement fuses, and possibly a new battery or starter.
Ensure the vehicle is in park (automatic) or neutral (manual) with the parking brake engaged.
Disconnect the battery to ensure safety while working on electrical components.

2. Battery Inspection and Replacement (if necessary)

Sub-steps:
1. Remove the battery terminals, starting with the negative terminal followed by the positive terminal.
2. Clean any corrosion from the battery terminals and connectors using a wire brush.
3. Reconnect the battery terminals in reverse order (positive first, then negative).
4. If the battery voltage is below 12.4 volts, replace the battery.
Tools Required:
- Wrench/socket set
- Wire brush

3. Starter Motor Testing and Replacement

Sub-steps:
1. Locate the starter motor (typically near the transmission).
2. Disconnect the electrical connector and the battery cable from the starter.
3. Use a jumper wire to bypass the starter solenoid by connecting the positive terminal to the starter motor's terminal.
4. If the starter engages, it may need replacement; if not, inspect for wiring issues.
5. If replacing, remove the starter motor using the socket set and install the new starter, tightening to manufacturer specifications.
Tools Required:
- Socket set
- Jumper wire

4. Final Checks and Reassembly

Sub-steps:
1. Reconnect all components previously disconnected.
2. Ensure all connections are tight and secure.
3. Reconnect the battery and check for any warning lights on the dashboard.
Tools Required:
- Wrench/socket set