Prius4 韌體bug 電量驟降 大幅失去動力 - Toyota
By Agnes
at 2018-10-09T12:58
at 2018-10-09T12:58
Table of Contents
文章的前題先打預防針,請反Toyota的群眾跟油電盲不用急著酸,雖然這是一個很嚴重
的問題(在上坡時發生會有危險),但敝人推測這應該只是ECU控制電池的充放電邏輯在某
些特定條件下產生邏輯缺失,導致大電池沒電,但卻因為觸動了某些限制條件而電腦仍
不允許為大電池充電。
小弟Prius 4代 2016/10購入,目前里程約45000km 平均油耗約3.6L/100km 真心覺得是
一台代步好車,但有少數車友一直以來反應,在某些狀況會遇到失去動力,電池下降到
一格,但引擎充半天仍充不進去的狀況發生,小弟是油電愛好者,一直以來對油電技術
也都有在研究,聽到車友這麼說,我也多次去嘗試跑山路,讓電池系統高溫下坡電池滿
電,但反覆測試幾次,都沒有遇到這個狀況,一直把他當成都市傳說在看待,直至前幾
日,從五股的水碓公園開下來,一路開得相當和緩,突然注意到大電池僅剩一格,趕快
打開OBD監控看看狀況,一打開電池剩25%,而電腦卻顯示CCL仍為0kW,引擎持續啟動,
但因為CCL為0kW,變頻器並不會讓電池充電,而電池電量又低到一個極致,同時應該也
觸發放電保護,雖然OBD仍顯示DCL仍有6~8kW的等級但實際上電池連2kW輸出以上都不允
許。
起步時油門踩踏近半,電動馬達不出力,引擎也僅輸出3kW左右,整台車跟烏龜一樣慢,
直到踩踏到過某個點後,引擎才順利介入,然後車子就像被踹一腳(類似手排車升檔車速
不夠,離合器又放太快的感覺),動力稍微恢復,但整體的動力在駕馭上有明顯異常,開
了一下覺得實在不安全,就趕快停路邊等待了,同樣的問題在其他車友反應,若恰巧遇
到上坡起步,整台車子還會向後滑(3kW的動力對付Prius的車重,下滑完全可以理解)
行車紀錄器影片疊上OBD資訊影片:
https://youtu.be/unLQ_F2-WmM
從下山發動一路的路況 無激烈駕駛(10x快轉):
https://youtu.be/njDKQYTWGg4
OBD資訊基本說明:
https://i.imgur.com/mquu6E5.png
異常狀態說明:
https://i.imgur.com/FdqoFBh.png
補一張後來停了五分鐘左右後重新啟動上路後的CCL/SOC狀態圖
https://i.imgur.com/Hif4tQX.png
附上溫度表,可以跟上表對照一下電池溫度沒啥大波動 39~35左右而已
跟我以前瘋狂開到電池呼呼叫48度來說還有點距離,也沒這個狀態
https://i.imgur.com/b7tw9Oj.png
影片重點:
1. 電池一路低電量從25%摔到19%還是不給充電 CCL = 0kW (正常電池電量下限40%就會強
制啟動引擎發電了)
2. 1:58 起步時油門踩踏過半動力仍不輸出,龜速起步,還好這是平地,爬坡應該就往後
滑了
3. 2:22 重新發動,CCL仍是0kW (因app偵測到車子熄火會自動關閉 所以要重開)
4. 電池溫度略高,但並沒有到非常高溫,風扇也僅啟動到第三等級,沒有啟動到最高的
第四等級(約45度會啟動這個等級)
5. 變頻器/MG/引擎 都沒有高溫現象
小弟身為油電愛好者,一路以來對油電系統都有些許研究了解,那天也是看到車子有異常
,趕快打開OBD監測並將這些狀況詳實記錄下來,希望和泰能反應給原廠,讓原廠工程師
知道系統上到底出了哪些問題,當過工程師的都知道,要解決問題並不難,但要釐清問題
很困難,一線人員反應的資訊量通常都很少且不客觀,很難處理並重現問題,難得我這邊
剛好有掛OBD,有APP,一路記錄下來,但卻無法把這個問題的詳細狀況反應給原廠,和泰
僅是交給服務廠來跟我接洽,並要我拿我的車繼續當白老鼠陪他們請假測試問題,實在很
心灰意冷,只能希望把事件公開給和泰壓力,讓和泰能將問題反應給日本原廠工程師,讓
原廠工程師明確看到問題所在而知道如何修正。
另有熱心車友提供國外有對應的TSB修正,但不屬於召回,相關TSB修正的編號是
美規:TSB 024117
歐規:CP-00011T-TME
國外Prius chat相關討論:
http://0rz.tw/Lkvaw
小弟目前手上有7個Prius 4代車主表示有遇到此狀況且願意讓和泰聯絡了解確認問題發生
狀況,其中還有位先前回保養廠時就請專員將問題記錄下來但仍沒下文的案例。
小弟訴求很簡單:
1.問題反應給豐田原廠,讓原廠看到真實問題的狀況,我相信韌體工程師會很容易找到邏
輯錯誤在哪
2.小弟願意配合台灣和泰測試問題,但此問題明確並非單一個案,不需要用我的車來當白
老鼠,請和泰自備車輛,我會盡力重現這個問題,另外也希望我協助和泰重現問題,不需
要還要我請假,不需要我用我的車來當白老鼠來做這件事情。
3.若確認有問題,請和泰趕快協助車友處理此問題。
--
的問題(在上坡時發生會有危險),但敝人推測這應該只是ECU控制電池的充放電邏輯在某
些特定條件下產生邏輯缺失,導致大電池沒電,但卻因為觸動了某些限制條件而電腦仍
不允許為大電池充電。
小弟Prius 4代 2016/10購入,目前里程約45000km 平均油耗約3.6L/100km 真心覺得是
一台代步好車,但有少數車友一直以來反應,在某些狀況會遇到失去動力,電池下降到
一格,但引擎充半天仍充不進去的狀況發生,小弟是油電愛好者,一直以來對油電技術
也都有在研究,聽到車友這麼說,我也多次去嘗試跑山路,讓電池系統高溫下坡電池滿
電,但反覆測試幾次,都沒有遇到這個狀況,一直把他當成都市傳說在看待,直至前幾
日,從五股的水碓公園開下來,一路開得相當和緩,突然注意到大電池僅剩一格,趕快
打開OBD監控看看狀況,一打開電池剩25%,而電腦卻顯示CCL仍為0kW,引擎持續啟動,
但因為CCL為0kW,變頻器並不會讓電池充電,而電池電量又低到一個極致,同時應該也
觸發放電保護,雖然OBD仍顯示DCL仍有6~8kW的等級但實際上電池連2kW輸出以上都不允
許。
起步時油門踩踏近半,電動馬達不出力,引擎也僅輸出3kW左右,整台車跟烏龜一樣慢,
直到踩踏到過某個點後,引擎才順利介入,然後車子就像被踹一腳(類似手排車升檔車速
不夠,離合器又放太快的感覺),動力稍微恢復,但整體的動力在駕馭上有明顯異常,開
了一下覺得實在不安全,就趕快停路邊等待了,同樣的問題在其他車友反應,若恰巧遇
到上坡起步,整台車子還會向後滑(3kW的動力對付Prius的車重,下滑完全可以理解)
行車紀錄器影片疊上OBD資訊影片:
https://youtu.be/unLQ_F2-WmM
從下山發動一路的路況 無激烈駕駛(10x快轉):
https://youtu.be/njDKQYTWGg4
OBD資訊基本說明:
https://i.imgur.com/mquu6E5.png
異常狀態說明:
https://i.imgur.com/FdqoFBh.png
補一張後來停了五分鐘左右後重新啟動上路後的CCL/SOC狀態圖
https://i.imgur.com/Hif4tQX.png
附上溫度表,可以跟上表對照一下電池溫度沒啥大波動 39~35左右而已
跟我以前瘋狂開到電池呼呼叫48度來說還有點距離,也沒這個狀態
https://i.imgur.com/b7tw9Oj.png
影片重點:
1. 電池一路低電量從25%摔到19%還是不給充電 CCL = 0kW (正常電池電量下限40%就會強
制啟動引擎發電了)
2. 1:58 起步時油門踩踏過半動力仍不輸出,龜速起步,還好這是平地,爬坡應該就往後
滑了
3. 2:22 重新發動,CCL仍是0kW (因app偵測到車子熄火會自動關閉 所以要重開)
4. 電池溫度略高,但並沒有到非常高溫,風扇也僅啟動到第三等級,沒有啟動到最高的
第四等級(約45度會啟動這個等級)
5. 變頻器/MG/引擎 都沒有高溫現象
小弟身為油電愛好者,一路以來對油電系統都有些許研究了解,那天也是看到車子有異常
,趕快打開OBD監測並將這些狀況詳實記錄下來,希望和泰能反應給原廠,讓原廠工程師
知道系統上到底出了哪些問題,當過工程師的都知道,要解決問題並不難,但要釐清問題
很困難,一線人員反應的資訊量通常都很少且不客觀,很難處理並重現問題,難得我這邊
剛好有掛OBD,有APP,一路記錄下來,但卻無法把這個問題的詳細狀況反應給原廠,和泰
僅是交給服務廠來跟我接洽,並要我拿我的車繼續當白老鼠陪他們請假測試問題,實在很
心灰意冷,只能希望把事件公開給和泰壓力,讓和泰能將問題反應給日本原廠工程師,讓
原廠工程師明確看到問題所在而知道如何修正。
另有熱心車友提供國外有對應的TSB修正,但不屬於召回,相關TSB修正的編號是
美規:TSB 024117
歐規:CP-00011T-TME
國外Prius chat相關討論:
http://0rz.tw/Lkvaw
小弟目前手上有7個Prius 4代車主表示有遇到此狀況且願意讓和泰聯絡了解確認問題發生
狀況,其中還有位先前回保養廠時就請專員將問題記錄下來但仍沒下文的案例。
小弟訴求很簡單:
1.問題反應給豐田原廠,讓原廠看到真實問題的狀況,我相信韌體工程師會很容易找到邏
輯錯誤在哪
2.小弟願意配合台灣和泰測試問題,但此問題明確並非單一個案,不需要用我的車來當白
老鼠,請和泰自備車輛,我會盡力重現這個問題,另外也希望我協助和泰重現問題,不需
要還要我請假,不需要我用我的車來當白老鼠來做這件事情。
3.若確認有問題,請和泰趕快協助車友處理此問題。
--
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