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What should I do if the engine oil light comes on in a 2022 Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/What should I do if the engine oil light comes on in a 2022 Highlander?

What should I do if the engine oil light comes on in a 2022 Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
675 words

Problem Statement

Learn how to diagnose and fix the engine oil light issue on your 2022 Toyota Highlander with step-by-step instructions.

Affected Component
engine oil system
Estimated Time
1-2 hours

Symptoms

  • •Engine oil light is illuminated on the dashboard.
  • •Unusual engine noises (ticking or knocking sounds).
  • •Decreased engine performance.
  • •Oil odor or smoke from the engine compartment.

Diagnostic Steps

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

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

  • •Dipstick
  • •clean rag or paper towel
  • •flashlight
  • •multimeter or oil pressure gauge
  • •OBD-II scanner

Additional Information

Affected Component
engine oil system
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
5 items

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Back to Generation
Problem: Engine Oil Light Illuminated on a 2022 Toyota Highlander

Repair Instructions:

  1. Adding Oil:

    • If the oil level is low:
      1. Identify the correct type of engine oil (consult the owner's manual).
      2. Remove the oil filler cap located on top of the engine.
      3. Using a funnel, add oil gradually while checking the level with the dipstick.
      4. Replace the cap securely.

  2. Changing Engine Oil:

    • If oil quality is poor:
      1. Gather tools: oil filter wrench, socket set, oil catch pan, new oil filter, and new engine oil.
      2. Warm up the engine for a few minutes, then turn it off. This helps the oil drain better.
      3. Place the oil catch pan under the oil pan and remove the drain plug using the socket set.
      4. Allow old oil to drain completely.
      5. Replace the drain plug and tighten it securely.
      6. Remove the old oil filter using an oil filter wrench and install the new filter, lubricating the rubber gasket with a little new oil.
      7. Refill the engine with new oil through the filler cap.
      8. Start the engine and check for leaks around the filter and drain plug.

  3. Replacing the Oil Pressure Switch:

    • If the oil pressure switch is faulty:
      1. Disconnect the battery to avoid any electrical shorts.
      2. Remove the connector from the oil pressure switch.
      3. Use the correct size socket to remove the old oil pressure switch.
      4. Install the new oil pressure switch and reconnect the electrical connector.
      5. Reconnect the battery.

  4. Clearing Diagnostic Codes:

    • After repairs are made, use the OBD-II scanner to clear any DTCs.
    • Start the engine and monitor the oil light status. If it remains illuminated, further diagnostics may be needed.
Conclusion:

If the engine oil light remains on after following these steps or if you are uncomfortable performing any of the repairs, it is advisable to consult with a qualified mechanic or visit a Toyota dealership for professional assistance.