what does code C1145 mean for my Honda Accord

Learn how to diagnose and fix C1145 ABS wheel speed sensor issue in Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the negative battery terminal to prevent electrical shock.

2. Inspect and Replace Wheel Speed Sensor

1. Remove Wheel:

   • Use a jack to lift the vehicle and secure it on jack stands.
   • Remove lug nuts using a socket set and take off the wheel.

2. Access Wheel Speed Sensor:

   • Locate the wheel speed sensor mounted on the wheel hub assembly.
   • Disconnect the electrical connector by pressing the release tab and pulling it apart.

3. Remove the Sensor:

   • Unscrew the sensor from its mounting location using the appropriate socket or wrench.
   • Carefully pull out the sensor without damaging surrounding components.

4. Install New Sensor:

   • Apply a small amount of anti-seize compound to the threads of the new sensor (if applicable).
   • Insert the new sensor into the mounting hole and tighten it to the manufacturer’s torque specification (usually around 12-15 ft-lbs).
   • Reconnect the electrical connector securely.

3. Reassemble and Test

1. Reinstall Wheel:

   • Place the wheel back onto the hub and hand-tighten the lug nuts.
   • Lower the vehicle and fully torque the lug nuts to the manufacturer's specification (usually around 80-100 ft-lbs).

2. Reconnect Battery:

   • Reconnect the negative battery terminal.

3. Clear Codes:

   • Use an OBD-II scanner to clear the C1145 code from the system.
   • Start the engine and verify that the ABS warning light is no longer illuminated.