Fan control in $88? (90-92 V6 '730)

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12-13-2005, 10:39 AM

Doward

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Car: 1988 Chevy Camaro Hardtop

Engine: Turbocharged/Intercooled 3.1

Transmission: World Class T5 5 Speed

Fan control in $88? (90-92 V6 '730)

Anyone know the location of the fan control for the $88 code? 90-92 LH0 V6 '730 ecm here, thanks

I can't find it in the 730_ATTA.ecu file, so I suppose I'll add it

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12-13-2005, 11:21 AM

RBob

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Car: check

Engine: check

Transmission: check

Grab the azty hac. It is $88 code.

Code:

; --------------------------------------
; Fan stuff
; --------------------------------------
;

0x83D6  197     ; fan on temp: 107.75°C, below mph threshold (@ 0x83DB)
0x83D7  192     ; fan off temp: 104.00°C, below mph threshold (@ 0x83DB)

0x83D8  195     ; fan on temp: 106.25°C, above mph threshold (@ 0x83DB)
0x83D9  189     ; fan off temp: 101.75°C, above mph threshold (@ 0x83DB)
0x83DA  254     ; fan minimum run timer (sec / 10?)
0x83DB  70      ; threshold speed (mph)

RBob.

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12-16-2005, 01:51 PM

Denis.V

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Car: 1986 Pontiac Firebird Trans Am

Engine: 305 Tuned Port Injection

Transmission: The famous 700R4

Axle/Gears: No idea

I've the following data:

(in Hex numbers)

3D6 = C5 = Fan 1 On - AC Off.
3D7 = C0 = Fan 1 Off - AC Off
3D8 = C3 = Fan 1 On - AC On
3D9 = BD = Fan 1 Off - AC On

Denis V.