how to resolve Honda Civic 10th Generation (2016-2021) ABS light issue?

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and set the parking brake.
• Disconnect the battery to prevent electrical shock.

2. Inspect Wheel Speed Sensors

• Sub-steps:
  1. Raise the vehicle and secure it on jack stands.
  2. Remove the wheel to access the wheel speed sensor.
  3. Disconnect the electrical connector from the wheel speed sensor.
  4. Inspect the sensor for dirt or damage; clean or replace as necessary.
  5. Reconnect the sensor and reinstall the wheel.

3. Check ABS Module and Wiring

• Sub-steps:
  1. Locate the ABS module, typically near the master cylinder.
  2. Inspect the wiring harness for frays or disconnections.
  3. Use a multimeter to check for continuity in the wiring.
  4. If damaged, repair or replace the wiring as needed.

4. Test Brake Fluid Level and System

• Sub-steps:
  1. Check the brake fluid reservoir; top off with the recommended fluid type (DOT 3 or DOT 4).
  2. Inspect brake lines and connections for leaks.
  3. Bleed the brakes if air is suspected in the system.

5. Reset ABS Light

• Sub-steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear any ABS fault codes.
  3. Start the vehicle and verify if the ABS light has turned off.

Tools Required:

• OBD-II scanner
• Multimeter
• Socket set
• Torque wrench
• Brake fluid (DOT 3 or DOT 4)
• Jack and jack stands

Parts Required:

• Wheel speed sensor (if damaged)
• Wiring harness (if damaged)
• Brake fluid (if low)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect the battery before working on any electrical components.
• Ensure the vehicle is securely lifted and supported before working underneath.