[s-cars] Coolant fan trying to killl the battery :)

[Sandy Sligh]

This has happened very rarely, like maybe once in a 3
or 4 months: The coolant fan runs once the engine is
shut off and will continue to run until the battery is
drained far enough that the fan won't spin nor will
the starter crank.

So I crack open my Bentley vol. 3 and scour the
electrical diagrams for a possible answer. Now, I have
a 1993 S4 Canadian which is actually a 1992 model.

Diagram X100 (92-93 S4) show that if I were to pull
the relays sitting in positions 2 and 3, I should be
able to open the circuit that powers the motor. While
in a discharged state, I hook up the S4 to a jumpbox,
lo and behold, the coolant fan spins up. I reach in
the relay panel and yank out the two relays sitting in
positions 2 and 3. The fan keeps running...grr.

(But wait, I notice there is a relay in position 1.
Why is there a relay in position 1? According to
diagram X31, the layout of the relay panel, "1" should
be open for the 92-93 models...)

I pull out the mystery relay and the fan stops. YAY. I
no longer have to jump start the S4 in the morning and
afternoon anymore. But what did I disconnect?

Now, there is a relay in position 1 in the 1994
S4...well, there appears to be two groups of 1994 S4
diagrams.. i'm confused.

Anyone have any input? Are the diagrams for the 92-93
S4 incomplete?


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