Re: Cold intermittent CPS failure? - Saab 9-5 Bulletin Board - Saabnet.com
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That does not sound correct. If what you are saying is that your scantool goes dead when key is in On position, you could NEVER read any live data since On position is also the running position of engine and the whole car.
If you on the other hand mean Cranking position, that is probably normal since ignition switch cuts out several power users (+54) during the cranking sequence like lights and such to give the starter as much juice as possible.
But if in fact +15 voltage is gone in the On/Running position from ignition switch to fuse box you could check that theory by measuring for proper voltage at fuses 19, 21, 26, 27, 28 and 29 with ignition on.
Anders
SWEDECAR
Posts in this Thread:
- Cold intermittent CPS failure?, Boomer, Wed, 8 Apr 2015 17:45:52
- Cold intermittent CPS failure-update, Boomer, Fri, 10 Apr 2015 20:39:48
- Tired of repeating it - see the link ..., dmz789qqq, Fri, 10 Apr 2015 12:48:48
- Re: Cold intermittent CPS failure?, used2bcheaptech, Wed, 8 Apr 2015 17:59:26
- Re: Cold intermittent CPS failure?, AdamSAAB2kAero , Wed, 8 Apr 2015 17:54:58
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