총 비용
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공임
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부품비
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소요 시간
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2026. 7. 28. 작업
난이도 & 준비물
증상
2007 Chevrolet Aveo 시동 불량 증상. 캠샤프트 포지션 센서(Camshaft Position Sensor)가 안정적인 12V를 받지 못하는 것으로 의심됨. 센서의 Orange 핀에 배터리 +를 직접 연결했을 때 시동이 걸렸으나, 현재는 직접 연결 없이도 시동이 걸리는 상황. 근본 원인을 파악하려고 진단 중.
처리 내용
ECM(Engine Control Module) 고장 의심. 진단 방법: 1) ECM 분리 후 Keep Alive Memory(ROM) 손실 여부 확인 (메인 릴레이 연결 상태에서). 2) Memory 손실 없으면: ECM을 분리한 상태에서 Orange 터미널의 전압이 0V로 떨어지는지 확인 → 0V 떨어지면 ECM 교체, 떨어지지 않으면 배선(Harness) 교체. 3) Memory 손실되면: ECM 교체 필요. 참고: Camaro에서 유사한 증상 사례 있음.
관련 고장코드
출처
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