[V6-12v] A/C always on (V6 12V)

Tom Christiansen tomchr at gmail.com
Tue Jul 8 20:57:35 PDT 2008


I assume we're talking about the manual climate control here... Are the
indicator lights in the A/C, Recirc switches on regardless of the switch

If the lights are always on, you're probably dealing with a bad switch. If
the lights go on/off as you turn the A/C switch on/off, you're probably
dealing with  either a bad switch or a bad A/C clutch control module.

I don't see any humidity sensors or anything else in the wiring diagrams in
my Bentley manual. The only other switches in the system are the pressure
switches to control when the A/C compressor turns on/off. But the main A/C
switch should override those.


On Tue, Jul 8, 2008 at 6:16 PM, Lino M. Valadas <lvaladas at sympatico.ca>

> Gentlemen.
> My wife's 93 90Q's A/C is always on, even when the A/C and recirc buttons
> are turned off.  Has anyone experienced this before?
> Lino
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