Denso is not looking to hire employees who feel that they know everything they need to know. An employee who has a realistic understanding of strengths and weaknesses is much better in the long run than one who is not teachable. The interviewer needs to know what your attitude is toward learning new skills. Give the hiring manager an honest reflection about your weaknesses, but don't dwell on them. Discuss areas you would like to grow in and reassure the manager that you are willing to make a commitment toward improvement.