FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
how to fix my Toyota Corolla E170 (2013-2019) if the dashboard lights are flickering - Toyota Corolla
Home/Cars/Toyota/Corolla/E170 (2013-2019)/how to fix my Toyota Corolla E170 (2013-2019) if the dashboard lights are flickering

how to fix my Toyota Corolla E170 (2013-2019) if the dashboard lights are flickering

Toyota Corolla E170 (2013-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
508 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in a 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures 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 performing any inspections near the engine compartment.

Symptoms

  • •Dashboard lights flickering intermittently
  • •Possible dimming or brightening of lights
  • •Malfunctioning or non-responsive warning lights
  • •Increased electrical noise or buzzing sounds
  • •Difficulty starting the vehicle (in severe cases)

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

  • •Multimeter
  • •Wire brush
  • •Socket set
  • •Screwdrivers
  • •OBD-II scanner

Parts Required

  • •New battery (if existing is faulty)
  • •New alternator (if necessary)

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
2 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shock.
  • Ensure the vehicle is parked on a level surface with the ignition off.
2. Inspect Battery Connections
  • Sub-steps:
    • Remove the battery terminal covers (if applicable).
    • Clean any corrosion on the battery terminals using a wire brush.
    • Tighten the battery terminals securely.
3. Test and Replace Battery (if necessary)
  • Sub-steps:
    • Reconnect the negative terminal and start the vehicle.
    • If the battery voltage is low, replace the battery with a new, fully charged unit.
    • Ensure the new battery is of the correct specifications for the vehicle.
4. Test Alternator Output
  • Sub-steps:
    • Reconnect the battery and start the engine.
    • Use a multimeter to measure the voltage at the battery terminals while the engine is running.
    • If the voltage is below 13.8 volts, replace the alternator.
5. Check Ground Connections
  • Sub-steps:
    • Locate the ground wires connected to the dashboard and the chassis.
    • Clean any rust or corrosion on the ground points with a wire brush.
    • Re-tighten the ground connections securely.
6. Inspect Instrument Cluster
  • Sub-steps:
    • Remove the dashboard cover (if necessary) to access the instrument cluster.
    • Inspect the wiring harness for any signs of damage or loose connections.
    • Reconnect or repair any damaged wires.