난이도 & 준비물
증상
2007 Mercury Mariner 자동차 경보가 통제불능으로 계속 울림. 딜러 점검 비용이 너무 높음. OBD 포트로 경보를 비활성화하거나 결함 센서를 진단할 수 있는지 문의.
처리 내용
Smart Junction Box(SJB)에 커스텀 펌웨어를 플래시하여 주변 경보를 비활성화하는 방법은 찾기 어려우며, 이 작업에는 J2534 장치가 필요함. Ford IDS 또는 호환 EOBD2 스캔 툴을 사용하여 바디 데이터에 접속하면 결함이 있는 스위치를 찾을 수 있음. 도어, 후드, 리프트게이트 열림 신호 단자의 위치를 나타내는 커넥터 핀아웃 정보 참조. 각 스위치는 닫혀있을 때 접지됨. 도어 래치를 수동으로 닫아서 테스트 가능. 도어 배선은 반복적인 굽힘으로 손상되기 쉬우므로 점검 필요. 임시 방안으로 SJB에서 결함이 있는 스위치를 접지시키면 SJB는 스위치 열림 신호를 감지하지 않음.
출처
이 사례는 Stack Exchange (미국)에서 수집한 데이터입니다.
신뢰도 4.1점(높음) — 출처 소스의 전문성/검증구조를 기준으로 산정된 점수이며, 정확성을 보장하지 않습니다.
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