1. Pull out the drawer.
  2. Remove the drawer right cover (x5).
  3. The main relay sensor is at the bottom right corner of the drawer.
  4. Disconnect the sensor bracket [A], then pull out the bracket [B] (x1, x1).
  5. Pull out the bracket [A] completely.
  6. Free the harness [B] (x2).
  7. Remove the sensor (x4, x1).