Onboard cumpeter does not link with scanner

MAMUWALDI · 04-25-2009, 08:22 AM

I have a 1994 chevy blazer and the obii scanner cant read the codes or communicate with on board computer. how do I check the system for proper operation?

MAMUWALDI · 04-25-2009, 08:24 AM

how to test an onboard computer for a chevy blazer, 4x4 turbo deisel automatic transmission, engine keeps shutting down while you are driving.

**bruiser** · 04-25-2009, 09:08 AM

I presume it's an OBDI vehicle. I also presume the scan tool or code reader is also OBDI capable and in working condition. If these things are true, check the fuse that powers the port that scan tool plugs into.

MAMUWALDI · 04-25-2009, 09:29 AM

Quote:

Originally Posted by bruiser

I presume it's an OBDI vehicle. I also presume the scan tool or code reader is also OBDI capable and in working condition. If these things are true, check the fuse that powers the port that scan tool plugs into.

THANKS I WILL TRY THAT.

**mack1** · 04-25-2009, 11:22 PM

In 1996 the connector for the scan tool was connected to the "running light" fuse with no mention of the scan tool connector on the fuse panel. Who knows what they did in 94.

Best regards,
Mack1

Volt-Schwibe · 04-28-2009, 12:27 AM

In a 1994 blazer you should still be able to read the codes through the check engine light using the paperclip trick. I'm not 100% positive of this, but if you have a haynes or chilton manual for the vehicle, check the emissions control chapter for info on checking codes, it might mention a paperclip trick, on the pages right before it lists the codes.

If you've already checked the book, then please just disregard all that.

04-25-2009, 08:22 AM	#1 (permalink)
MAMUWALDI Registered User Join Date: Apr 2009 Posts: 3 OS: XP	Onboard cumpeter does not link with scanner I have a 1994 chevy blazer and the obii scanner cant read the codes or communicate with on board computer. how do I check the system for proper operation?

04-25-2009, 08:24 AM	#2 (permalink)
MAMUWALDI Registered User Join Date: Apr 2009 Posts: 3 OS: XP	Re: Onboard cumpeter does not link with scanner how to test an onboard computer for a chevy blazer, 4x4 turbo deisel automatic transmission, engine keeps shutting down while you are driving.

04-25-2009, 09:08 AM	#3 (permalink)
bruiser TSF Enthusiast Join Date: Jul 2005 Posts: 1,976 OS: xp	Re: Onboard cumpeter does not link with scanner I presume it's an OBDI vehicle. I also presume the scan tool or code reader is also OBDI capable and in working condition. If these things are true, check the fuse that powers the port that scan tool plugs into.

04-25-2009, 11:22 PM	#5 (permalink)
mack1 TSF Articles Team Join Date: Nov 2007 Location: Texarkana, Texas Posts: 1,245 OS: xp sp3 My System	Re: Onboard cumpeter does not link with scanner In 1996 the connector for the scan tool was connected to the "running light" fuse with no mention of the scan tool connector on the fuse panel. Who knows what they did in 94. Best regards, Mack1 __________________ "If you like yourself others will like you also" me "Don't drink downstream from the herd" Will Rogers Submit New Articles Here

04-28-2009, 12:27 AM	#6 (permalink)
Volt-Schwibe Asst. Manager, Automotive Forums; HJT Trainee Join Date: Jan 2003 Location: Behind you, watching you as you type. Posts: 7,372 OS: Click "My System" to view details My System	Re: Onboard cumpeter does not link with scanner In a 1994 blazer you should still be able to read the codes through the check engine light using the paperclip trick. I'm not 100% positive of this, but if you have a haynes or chilton manual for the vehicle, check the emissions control chapter for info on checking codes, it might mention a paperclip trick, on the pages right before it lists the codes. If you've already checked the book, then please just disregard all that. __________________ <signature> TSF is funded by our Admin's pocket, care to help? Power Tip: Subscribe to your thread (Thread Tools) to receive an instant email notification when you get a reply. New Members: Creating a single new thread in the correct section is the best way to assure your thread will receive a reply. </signature>