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how to fix my Toyota Highlander XU70 (2020-Present) that won't start just clicks - Toyota Highlander
Home/Cars/Toyota/Highlander/XU70 (2020-Present)/how to fix my Toyota Highlander XU70 (2020-Present) that won't start just clicks

how to fix my Toyota Highlander XU70 (2020-Present) that won't start just clicks

Toyota Highlander XU70 (2020-Present)

Error Codes
1-3 hours
Time
medium
Difficulty
high
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
586 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 2020 Toyota Highlander XU70. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Electrical
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical components to prevent short circuits.

Symptoms

  • •Engine does not turn over
  • •Clicking sound from the starter area
  • •Dashboard lights may dim when the key is turned
  • •Possible battery warning light illuminated
  • •No sound from the fuel pump

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Wrench set
  • •Screwdriver set
  • •Safety gloves
  • •Safety glasses

Parts Required

  • •New battery (if necessary)
  • •Starter motor (if necessary)
  • •Starter relay (if necessary)

Additional Information

Affected Component
Electrical
Estimated Time
1-3 hours
Difficulty
medium
Severity
high
Tools Required
5 items
Parts Required
3 items

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Solution
1. Preparation
  • Tools Required:
    • Multimeter
    • Wrench set
    • Screwdriver set
    • Safety gloves
    • Safety glasses
  • Disconnect the negative terminal of the battery to ensure safety while working on the electrical components.
2. Battery Inspection and Replacement
  1. Check Battery Condition:
    • Use a multimeter to ensure the battery voltage is above 12.6 volts. If below, proceed to jump-start or replace the battery.
  2. Inspect Terminals:
    • Clean any corrosion from battery terminals using a wire brush and a solution of baking soda and water.
    • Tighten the terminal connections securely.
  3. Replace Battery (if necessary):
    • If the battery is weak or dead, remove the old battery by unfastening the retaining strap and disconnecting the positive terminal first, followed by the negative terminal.
    • Install the new battery, connecting the positive terminal first followed by the negative.
3. Starter Motor Inspection
  1. Locate Starter Motor:
    • Remove any necessary components to access the starter motor (consult repair manual for specifics).
  2. Test Starter Motor:
    • Use a multimeter to check for voltage at the starter's positive terminal when the ignition is turned on. If there’s no voltage, the issue may be in the ignition switch or wiring.
  3. Remove Starter Motor:
    • Unbolt the starter motor from its mounting and disconnect the electrical connections.
  4. Inspect and Test Starter:
    • Bench test the starter motor using jumper cables to ensure it engages and spins. Replace if faulty.
4. Check Ignition System
  1. Inspect Ignition Relay:
    • Swap the starter relay with another relay of the same type to rule out relay failure.
  2. Check Ignition Switch:
    • If issues persist, use a multimeter to check the ignition switch functionality, ensuring it sends proper signals when turned to the start position.