1、上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.12022-7-8上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.22022-7-8車型 AP/ZP系列 涉及硬件（如繼電器） BCM內(nèi)部低邊驅(qū)動控制外部繼電器上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.32022-7-8涉及軟件邏輯控制打開條件：1：發(fā)動機(jī)運行2：電池電壓范圍在11.316.7V之間3：按下后風(fēng)窗加熱的開關(guān)關(guān)閉條件1：發(fā)動機(jī)停止運行2：KL15 OFF3：電池電壓過高或過

2、低4：再次按下后風(fēng)窗加熱開關(guān)5：后風(fēng)窗已經(jīng)連續(xù)工作15分鐘，尚未關(guān)閉，則自動關(guān)閉。上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.42022-7-8硬件車型 :IP21 5501. BP12 750上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.52022-7-8軟件邏輯控制The heated rear windscreen switch is directly hardwired to the HVAC ECU; on low specification vehicles this wi

3、ll be an electronic temperature control, ETC, unit located on LIN and on high specification vehicles this will be an automatic temperature control, ATC, unit located on MS CAN. The relevant HVAC ECU will request the HRW on via the following signal: HRWOnReq ATC ECU HRWOnReq_2 ETC ECU For BP12 projec

4、t ETC and ATC all located on MS CAN. The relevant HVAC ECU will request the HRW on via the signal: HRWOnReq - ATC and ETC.On receipt of a valid HRWOnReq or HRWOnReq_2 signal, the BC01 shall energise the HRW relay, turning the HRW on.On receipt of non-valid HRWOnReq & HRWOnReq_2 signals, the BC01

5、 shall de-energise the HRW relay, turning the HRW off.If, with the HRW relay energised, a further valid HRWOnReq or HRWOnReq_2 signal is not received within 30 seconds, then the BC01 shall de-energise the HRW relay.On initial power up / reset the relay shall be de-energised. 62022-7-8 上海汽車集團(tuán)股份有限公司乘用

6、車公司 SAIC Motor Passenger Vehicle Co. HRW 運行條件為： 1：HRW開關(guān)觸發(fā) 2：EngineRunning有效 3：點火有效 4：最長運行時間為有配置HrwMaxOpTimePrm設(shè)定 備注：1 當(dāng)在發(fā)動狀態(tài)或OverVoltageFlag為0HRW暫停輸出 2 如果UnderVoltageFlag為0時，有HRW輸出時則按照Off40S和On120S的周期運行。ZP11/IS12 控制邏輯上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.AP：ATC/ETC上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor Passenger Vehicle Co.BP：ATC/ETC上海汽車集團(tuán)股份有限公司乘用車公司 SAIC Motor