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도요타 하이브리드 시스템
고장코드 p0A80 관련 점검 사항
1. 배터리 냉각팬 작동 유무
냉각팬 필터를 세척 및 교체 없이 장시간 사용으로 먼지나 이물질로 막힌 상태에서 냉각팬 작동해도 배터리팩이 냉각이 되지않아 온도상승으로 인한 냉각팬 고속작동으로 부하가 걸려 휴즈 단선이나 냉각팬 고장
2. bms모듈 고장으로 인해 고장코드 띄움
냉각팬 및 bms 고장 판별을 위해 진단기로 냉각팬 강제재생을 해본다.
냉각팬 정상작동하면 bms,냉각팬은 고장코드에서 일단 재외
3. 진단기로 배터리 블록 전압값 데이터 확인
각 블록 전압값 중 최대값과 최소값 차이를 하나의 블록에 해당하는 배터리셀 갯수로 나누고 이 전압값이 허용치인지를 확인하여 배터리 수리여부를 판단
Toyota's hybrid system
"P0A80 Fault Code: Inspection Items"
1. Is the battery cooling fan functioning
If the cooling fan filter becomes clogged with dust or debris due to prolonged use without cleaning or replacement, the battery pack may not cool properly, leading to a surge in load on the cooling fan, which can cause it to overheat and fail
2. A fault code is displayed due to a malfunction in the BMS module
To diagnose the failure of the cooling fan and BMS, we'll try to force the cooling fan to spin again using a diagnostic tool.
When the cooling fan is functioning properly, the BMS and cooling fan are temporarily cleared from the fault code
3. Verify the battery block voltage data using a diagnostic tool
To determine whether a battery needs repair, calculate the difference between the maximum and minimum voltage values for each block, divide by the number of battery cells in that block, and verify that the result is within the allowed tolerance


