GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

speedometer not working

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Old 03-01-07, 05:42 AM
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demontrae
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Default speedometer not working

Is there a fuse or relay that controls the speedometer? all my gauges work but the odometer and speedometer is not working.....
Old 03-01-07, 07:25 AM
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JeffTsai
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Originally Posted by demontrae
Is there a fuse or relay that controls the speedometer? all my gauges work but the odometer and speedometer is not working.....
Are your VSS/ABS sensors damaged/defective? Any warning lights in the gauge cluster?
Old 03-01-07, 07:40 AM
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rayy
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Originally Posted by demontrae
Is there a fuse or relay that controls the speedometer? all my gauges work but the odometer and speedometer is not working.....
DUDE... your odometer isn't working? that means your mileage is 0!!! j.k. Sorry, I wouldn't know the problem.
Old 03-01-07, 08:54 AM
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demontrae
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My VSC stays off all the time and my car still acts as though the key is in the ignition even when I take out the key it continues to chime and the steering does not retract. i checked all the fuses none appear to be blown so I figured it was a relay
Old 03-01-07, 09:00 AM
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demontrae
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oh and there are no warning lights
Old 03-01-07, 09:28 AM
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salimshah
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If it is a software problem, it is time to reboot ... disconnect battery for 30 mins or so. Remember to put things at your preferred settings, so that you can easily reprogram once you reconncet the battery.

Apparently there seems to be a hardware problem too, but the reboot is easy and cheap.

Salim
Old 03-01-07, 10:20 AM
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demontrae
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I disconnected my battery and left it off overnight but it still does the same thing. I did a search and there was a guy named Tone who had the same problem after he jumped his car well my problemstarted after a a dumbass put my battery in backwards it blew a couple fuses but I changed them so I was wondering if it could be a relay. I PM'd Tone to see what he did but no response as yet
Old 03-01-07, 10:36 AM
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salimshah
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With that information, I suggest you check every fuse. You can pull one fuse at a time and measure for "0" ohms with a vom. If you read open that is the one that is bad.

I would start with the fuse box under the hood. Some are spade fuses which you can pull and re-insert. There are at least 2 which are bolted in for high amperage (the friction fit is not good enough for that high current). I suspect one of those is blown. You can connect a vom in "voltage measure mode", and the blown fuse will show battery voltage (12v) across the the ends*. Once you take them out you can safely measure ohms.

*note: The load must be on to develop the voltage, so measure voltage with car running (the time when you do not see the failing electronics light up).


If I had electrical diagram, I could help you narrow down to actual fuse.

Salim
Old 03-01-07, 11:02 AM
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demontrae
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thanks man you have been a big help I will try it tonight.
Old 07-24-20, 06:40 AM
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JabobJeff
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This video explains the 3 simultaneous symptoms others have had and shows the process of how it’s fixed. Hope this helps everyone who may run into this issue.
3 issues are:


1. 1. speedometer not moving

2. 2. odometer digital display is blank

3. 3. shifting is erratic while trying to accelerate
Old 07-24-20, 07:36 AM
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firelizard
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You didn't need to bump four old threads to post that.

Pick one thread you want to reply to.
Old 07-24-20, 07:59 AM
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JabobJeff
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Forgive me, I definitely do not want to mess up the system. I'm new to this. I just know that I read old threads all the time and find very valuable information from years ago. I figured since i was able to find a solution, i thought it might be a help to others. I replied to the first few threads that popped up on a google search. I'll be more mindful of your suggestion in the future. Thanks!
Old 07-26-20, 02:26 AM
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2gz
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No

This is how it should look

My odometer stopped working after I did a burn out for a few seconds, I tried this method and it has worked. Im not sure why or what exactly it does but it worked to get my speedometer working again.
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