'165 switching both fans from the ECM?

Shannen Durphey shannen at grolen.com
Sat May 27 12:18:32 GMT 2000


Kevin Crain wrote:

> I'll dig thru the .bins of some later 'Vettes and see where they write
> secondary fan data...if anyone already knows this and can share I'd
> appreciate it.
> 
> -Kevin
Ecmguy's web page, http://ecmguy.tripod.com/ , has a complete copy of
the doc that this was cut from.
Shannen

* >>> Cooling Fan Tables & Params <<< 

* 

* TYPE $32 ECM 

******************************************************** 

LC2F0: FCB 35 ; Fan D.C. = if MPH > 35 & A/C Press Hi 

LC2F1: FCB 11 ; Use A/C If > 11 MPH 

LC2F2: FCB 75 ; 15 Sec, Min Fan On Time 

; Cal = Arg * 5 

; 

; 

; 

LC2F3: FCB 255 ; Fan 99.6% D.C. If A/C Pres ^ & MPH < 

; Cal = Arg * 2.56 

; 

; FAN 1 ON 107c 

; Cal = (deg c + 40) * (256/192) 

; 

LC2F4: FCB 197 ; Fan D.C. = tbl if Cool >= 107c, (226f) 

; & A/C on & FAN OFF 

; 



; FAN 2 OFF, 105c 

; 

LC2F5: FCB 193 ; Fan D.C. = tbl if Cool >= 104.7c, (220.5f) 

; & A/C on & FAN on 

; 

; FAN 2 ON, 115c 

; Cal = (deg c + 40) * (256/192) 

; 

LC2F6: FCB 207 ; Fan D.C. = tbl if Cool >= 115.2c, (239.5f) 

; & A/C off & FAN off 

; 

; FAN 1 OFF 110c 

; 

LC2F7: FCB 200 ; Fan D.C. = tbl if Cool >= 110c, (230f) 

; A/C off & FAN on 

; Cal = (Arg + 40) * 256/192, (Deg C)
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