Scanmaster problem...

mike85gn · 08-02-2004, 08:08 PM

I seem to be having an issue with my Scanmaster, I hooked it up to my friends car and when we go key on, it lights up for a second, shows "21" then the display goes blank. We've verified the wiring and we know we have good power and ground, showing a solid 13.3 volts, and the unit was working last season on my own car. I'm not sure if the "21" represents the software version of the Scanmaster (2.1), or if it has detected code 21 - TPS too high.

Has anyone else had this problem before? I thought if the Scanmaster detected a code, it would display it and then start working normally regardless. Is it a code that needs to be cleared?

My next steps were to check TPS voltage, clear the MALF codes, and then try again.

Any other ideas?

Nasty Wendy · 08-03-2004, 01:04 AM

Wow that is strange. I'd check the power and ground connections one more time. I'd even power it up without the ALDL wire hooked up to see what it would do.

STOMPN 6 · 08-03-2004, 02:15 AM

I had a similar problem with mine and I had checked and double checked all three wires and was about ready to send it in for repairs but decided to check it one last time, but this time I cleaned the connections and reconnected the wires and it has
been working good ever since, that was over a year ago.

John

mike85gn · 08-03-2004, 09:29 AM

I just added a lighter plug adapter for my Scanmaster, so that should fix any problems with power/ground as it is a known working unit. My girlfriends Cavalier powered it up fine. I also used a 1/8" spade connector on the ALDL connection to rule out bad contact, will give it another go. Thanks for the info!

Mike Licht · 08-03-2004, 09:53 AM

When it turns on and flashes 2.1 that isa the version number and shows us the self test has completed and the unit si working. It turns off while it is waiting for data from the ALDL. It is getting not data from the computer. Either the computer is bad or the connection to it is bad but the power and ground are fine
Mike

XLR8 Colorado · 08-03-2004, 01:18 PM

Is the SM plugged into the correct place in the ALDL? The reason I ask is that I had the same problem and then found out that my ALDL was mounted upside down.

mike85gn · 08-03-2004, 04:56 PM

Thanks for the info, Mike, I'm going to try it with my spade connector and see if it makes a better contact on the ALDL connector. I know it worked fine on my car last season, and it's been in a climate-controlled environment since then, so I didn't think that would be the cause.

Just a Six?? · 08-03-2004, 04:57 PM

Quote:

Originally posted by XLR8 Colorado
Is the SM plugged into the correct place in the ALDL? The reason I ask is that I had the same problem and then found out that my ALDL was mounted upside down.

Been there Done that!! The computer connection is messed up someway.

mike85gn · 08-03-2004, 04:59 PM

I'm pretty sure I'm in the right outlet, it should be pin E, top row second from the left. Anyways, I'll give it a try and see what happens.

Mike Licht · 08-03-2004, 05:09 PM

Yep seen quite a few that were bottom row second from right mounted upside down.
Mike

08-02-2004, 08:08 PM	#1 (permalink)
mike85gn Moderator/Procrastinator Join Date: Apr 2001 Location: winnipeg, mb. Posts: 1,500	Scanmaster problem... I seem to be having an issue with my Scanmaster, I hooked it up to my friends car and when we go key on, it lights up for a second, shows "21" then the display goes blank. We've verified the wiring and we know we have good power and ground, showing a solid 13.3 volts, and the unit was working last season on my own car. I'm not sure if the "21" represents the software version of the Scanmaster (2.1), or if it has detected code 21 - TPS too high. Has anyone else had this problem before? I thought if the Scanmaster detected a code, it would display it and then start working normally regardless. Is it a code that needs to be cleared? My next steps were to check TPS voltage, clear the MALF codes, and then try again. Any other ideas? __________________ Mikey B. - Team Jack Stand Racing Permanent Work-In-Progress

08-03-2004, 09:29 AM	#4 (permalink)
mike85gn Moderator/Procrastinator Join Date: Apr 2001 Location: winnipeg, mb. Posts: 1,500	I just added a lighter plug adapter for my Scanmaster, so that should fix any problems with power/ground as it is a known working unit. My girlfriends Cavalier powered it up fine. I also used a 1/8" spade connector on the ALDL connection to rule out bad contact, will give it another go. Thanks for the info! __________________ Mikey B. - Team Jack Stand Racing Permanent Work-In-Progress

08-03-2004, 09:53 AM	#5 (permalink)
Mike Licht Mmmmm....Kool Aid Join Date: Jun 2003 Posts: 729	When it turns on and flashes 2.1 that isa the version number and shows us the self test has completed and the unit si working. It turns off while it is waiting for data from the ALDL. It is getting not data from the computer. Either the computer is bad or the connection to it is bad but the power and ground are fine Mike __________________ www.fullthrottlespeed.com 586 790 4406 Got Questions? www.fullthrottletech.com eBay specials: stores.ebay.com/Full-Throttle-Speed JCC Membeship Application Submitted

08-03-2004, 01:18 PM	#6 (permalink)
XLR8 Colorado Registered User Join Date: Jul 2004 Location: Littleton, CO Posts: 82	Is the SM plugged into the correct place in the ALDL? The reason I ask is that I had the same problem and then found out that my ALDL was mounted upside down. __________________ Royal Foster Orig owner 1986 GN. MSD 50's, THDP, Thunder Fab I/C, TE44. 11.47 @ 117.7 @ 5800'

08-03-2004, 04:56 PM	#7 (permalink)
mike85gn Moderator/Procrastinator Join Date: Apr 2001 Location: winnipeg, mb. Posts: 1,500	Thanks for the info, Mike, I'm going to try it with my spade connector and see if it makes a better contact on the ALDL connector. I know it worked fine on my car last season, and it's been in a climate-controlled environment since then, so I didn't think that would be the cause. __________________ Mikey B. - Team Jack Stand Racing Permanent Work-In-Progress

08-03-2004, 01:04 AM	#2 (permalink)
Nasty Wendy Defender of the Universe Join Date: May 2001 Location: Waggaman, La. USA Posts: 9,920	Wow that is strange. I'd check the power and ground connections one more time. I'd even power it up without the ALDL wire hooked up to see what it would do.

08-03-2004, 02:15 AM	#3 (permalink)
STOMPN 6 lag,what is that? Join Date: Sep 2003 Posts: 2,710	I had a similar problem with mine and I had checked and double checked all three wires and was about ready to send it in for repairs but decided to check it one last time, but this time I cleaned the connections and reconnected the wires and it has been working good ever since, that was over a year ago. John

08-03-2004, 04:59 PM	#9 (permalink)
mike85gn Moderator/Procrastinator Join Date: Apr 2001 Location: winnipeg, mb. Posts: 1,500	I'm pretty sure I'm in the right outlet, it should be pin E, top row second from the left. Anyways, I'll give it a try and see what happens. __________________ Mikey B. - Team Jack Stand Racing Permanent Work-In-Progress

08-03-2004, 05:09 PM	#10 (permalink)
Mike Licht Mmmmm....Kool Aid Join Date: Jun 2003 Posts: 729	Yep seen quite a few that were bottom row second from right mounted upside down. Mike __________________ www.fullthrottlespeed.com 586 790 4406 Got Questions? www.fullthrottletech.com eBay specials: stores.ebay.com/Full-Throttle-Speed JCC Membeship Application Submitted

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