FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
my Honda Civic 10th Generation (2016-2021) won't start but the lights work, what could be wrong - Honda Civic
Home/Cars/Honda/Civic/10th Generation (2016-2021)/my Honda Civic 10th Generation (2016-2021) won't start but the lights work, what could be wrong

my Honda Civic 10th Generation (2016-2021) won't start but the lights work, what could be wrong

Honda Civic 10th Generation (2016-2021)

Error Codes
1-3 hours
Time
medium
Difficulty
high
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
573 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

Diagnose and fix the no-start issue in Honda Civic 10th Generation (2016-2021). 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

  • •Always disconnect the battery before working on electrical systems
  • •Allow the vehicle to cool before working on the fuel system

Symptoms

  • •Engine cranks but does not start
  • •No sound from the fuel pump when the ignition is turned on
  • •Dashboard warning lights illuminated (check engine light may be on)
  • •Potential clicking sound from the starter
  • •Battery voltage appears normal but may not provide adequate amperage

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

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

Parts Required

  • •Replacement battery (if testing indicates failure)
  • •Fuel pump relay (if found faulty)
  • •Fuel pump fuse (if blown)

Additional Information

Affected Component
Electrical
Estimated Time
1-3 hours
Difficulty
medium
Severity
high
Tools Required
4 items
Parts Required
3 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 tools: OBD-II scanner, multimeter, socket set, and a replacement battery if necessary.
  • Ensure the vehicle is in a safe location with the engine off and parked on level ground.
2. Battery Inspection

  1. Disconnect the Battery:

    • Use a socket set to remove the negative terminal first, followed by the positive terminal.
    • Safety Warning: Always disconnect the battery before working on electrical systems.

  2. Inspect Terminals:

    • Check for corrosion or loose connections on both terminals.
    • Clean terminals with a wire brush if corrosion is present.

  3. Test Battery Voltage:

    • Reconnect the battery and use a multimeter to measure voltage.
    • A healthy battery should read between 12.4V and 12.7V. If below, consider replacing the battery.
3. Fuel Pump and Relay Check

  1. Inspect Fuel Pump Relay:

    • Locate the relay in the fuse box and test it with a multimeter for continuity.
    • Replace the relay if it is found to be faulty.

  2. Check Fuel Pump Fuse:

    • Inspect the fuel pump fuse for continuity using a multimeter.
    • Replace any blown fuses.

  3. Test Fuel Pump Operation:

    • Turn the ignition key to the "ON" position without starting the engine.
    • Listen for a humming sound indicating the fuel pump is operational. If not, the pump may need replacement.
4. Starter Motor Inspection

  1. Check Starter Connections:

    • Inspect the wiring to the starter motor for loose connections or damage.
    • Tighten any loose connections.

  2. Test Starter Motor:

    • If there’s a clicking sound when attempting to start, use a multimeter to test the starter’s voltage.
    • If no voltage is present, the starter may need replacement.