how to replace a faulty starter on Toyota Highlander Third Generation (2014-2019)

Toyota Highlander Third Generation (2014-2019)

Error Codes

2-4 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

Step-by-step guide to replace a faulty starter on a 2014-2019 Toyota Highlander. Includes symptoms, diagnostic steps, tools, and safety warnings.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Use caution when working near moving engine components.

Symptoms

•Engine does not crank when the ignition key is turned
•Clicking sound when attempting to start the vehicle
•Dashboard lights illuminate, but engine remains unresponsive
•Intermittent starting issues (sometimes starts, sometimes does not)
•Grinding noise when trying to start the engine

Diagnostic Steps

1
Scan the vehicle for error codes using an OBD-II scanner to check for related issues.
2
Verify the battery voltage using a multimeter; ensure it is above 12.4 volts.
3
Inspect battery terminals and cables for corrosion or loose connections.
4
Check the starter relay by swapping it with a similar relay in the fuse box.
5
Test the starter by bypassing it with a direct connection to the battery.

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

•Socket set (including 12mm and 14mm sockets)
•Torque wrench
•OBD-II scanner
•Multimeter
•Screwdriver set

Parts Required

•Replacement starter
•New battery terminals (if corroded)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle for error codes using an OBD-II scanner to check for related issues.
2
Verify the battery voltage using a multimeter; ensure it is above 12.4 volts.
3
Inspect battery terminals and cables for corrosion or loose connections.
4
Check the starter relay by swapping it with a similar relay in the fuse box.
5
Test the starter by bypassing it with a direct connection to the battery.

Solution

1. Preparation

Gather tools and parts required for the replacement.
Disconnect the negative battery terminal to avoid electrical shock.
Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Remove Engine Cover (if applicable)

Use a socket wrench to remove any bolts securing the engine cover.
Carefully lift off the cover and set it aside.

3. Access the Starter

Locate the starter, typically near the bottom of the engine near the transmission.
Remove any components obstructing access to the starter (e.g., air intake duct or heat shield).

4. Disconnect Electrical Connections

Use a socket wrench to remove the nut securing the positive battery cable to the starter.
Disconnect the signal wire connected to the starter solenoid.

5. Remove the Starter

Unbolt the starter from its mounting using the appropriate socket size (usually 12mm or 14mm).
Carefully maneuver the starter out of its location, noting any tight spaces.

6. Install New Starter

Position the new starter in place, aligning it with the mounting holes.
Secure it with the bolts and tighten to the manufacturer's torque specifications (typically around 15-20 ft-lbs).

7. Reconnect Electrical Connections

Reattach the signal wire and secure it with the nut.
Connect the positive battery cable to the starter and tighten the nut.

8. Reassemble Components

Reinstall any components removed to access the starter (e.g., engine cover, intake duct).
Ensure all bolts are tightened to the proper specifications.

9. Reconnect Battery

Reconnect the negative battery terminal and ensure it is secure.