how to fix B1384 code in Toyota Corolla E140 (2006-2013)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, flathead screwdriver, Phillips screwdriver, wire connectors.
• Disconnect the negative battery terminal to prevent accidental deployment of the airbag.

2. Remove the Seat Belt Buckle Assembly

• Sub-steps:
  1. Remove the lower trim panel around the seat belt buckle using a flathead screwdriver or trim removal tool.
  2. Locate and unbolt the seat belt buckle assembly from the vehicle floor using the socket set.
  3. Carefully disconnect the electrical connector from the seat belt buckle switch.

3. Inspect and Replace the Seat Belt Buckle Switch

• Sub-steps:
  1. Inspect the seat belt buckle switch for wear or damage. If damaged, replace it with a new part.
  2. If the switch appears operational, clean the connectors and ensure they are free from corrosion.
  3. Reconnect the electrical connector to the seat belt buckle switch.

4. Reinstall the Seat Belt Buckle Assembly

• Sub-steps:
  1. Reinstall the seat belt buckle assembly by bolting it back to the floor using the socket set.
  2. Ensure the assembly is secure and that the seat belt retracts and releases correctly.
  3. Replace the lower trim panel and secure it with screws.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the B1384 code and any other related codes.