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Discussion Starter · #1 ·
:(


Okay, so far, my 94GS speedo acts up (VSS Faulty)
my D4 light started blinking (because of the VSS I believe)

No Codes stored...


Today I was driving it, and my D4 light started blinking again, 1min after, my TCS and Check Engine Light came on. Temp seemed normal, kept driving it to the store (1 block)... Got there, turned the car off....Came out of the store.. No blinking lights... Went home, got a paperclip, stuck it in the "Service Connector", turned my key to "I" then to "II". Neither gave any codes...

:confused:

And my battery still uncharges if I don't drive it all day, for some mysterious reason. *sigh*

Is there a real end to the service connector I can buy? I can't tell if I'm "Jumping" the service connector properly, if there's some sort of end that fits it, I would like to know...
 

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Well, at least of the TCS and check engine light, that is all related to the VSS. My 95 LS Coupe did the same thing.
 

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Discussion Starter · #3 ·
Why isn't storing the code though? Someone else told me the Blinking D4 was also a symptom of the VSS...

I didn't like the Check Engine and TCS coming on, felt more scarry than the blinking D4... now all three of them.. that was somethin'
 

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A Flashing D4 indicator is usually the result of an input/output problem being identified by the ECU. There are 17 codes and a failed VSS is but one. The D4 lamp should activate for about 2 seconds at start-up, then go off. If it stays ON the ECU is faulty. Try resetting the system by removing the No. 15 ACG fuse from the under dash fuse/relay box for 10 seconds, reinstall, then drive the vehicle over 30mph for several minutes. Then recheck for any stored codes.

For a fully charged battery to discharge overnight, you must have a fairly substantial drain condition. I would first check the trunk lamp to make certain it is off when the trunk is closed.
The amt of drain would seem to indicate a lamp or pwr door/lock switch remaining energized. If you have an ampmeter which will read less than .5 amps you could first determine the existance of the drain condition. Second, by isolating circuits you could determine in which circuit the drain exists. Third, trace the suspected circuit to locate the source of the drain. The other reason why your battery discharges to a low condition may be due to the charging system itself; failing alt. Have the charging system checked first, before you start tearing into the vehicle.
 

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Discussion Starter · #6 ·
LPB:

My trunk light has never worked, I tried replacing the bulb twice, and it's never worked. Also, when the trunk is closed, it says it is open, and when it is open, it says it is closed...Go figure


I'll try a reset with the fuse, however my D4 light when starting up acts normally again, and goes off soon after.
 
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