how to diagnose the B0061 code on my Toyota Highlander Third Generation (2014-2019)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, and safety gloves.
• Safety Warnings: Disconnect the vehicle's battery and wait for at least 10 minutes before working on the airbag system to avoid accidental deployment.

2. Inspect and Repair Wiring

• Sub-steps:
  1. Locate the driver’s side airbag wiring harness under the steering wheel or seat.
  2. Carefully inspect the wiring for any frays, cuts, or corrosion.
  3. Repair or replace any damaged wiring using appropriate automotive connectors and solder if necessary.
  4. Ensure all connections are tight and free of debris.

3. Replace Airbag Module (if necessary)

• Sub-steps:
  1. Remove the steering wheel using a socket set and torque wrench, ensuring to keep track of the original torque specifications.
  2. Disconnect the airbag module from the wiring harness.
  3. Install the new airbag module, ensuring it is securely connected.
  4. Reinstall the steering wheel and torque to manufacturer specifications.

4. Clear Error Codes

• Sub-steps:
  1. Reconnect the vehicle's battery.
  2. Use the OBD-II scanner to clear the B0061 code from the vehicle's memory.
  3. Start the vehicle to check if the airbag warning light remains off.