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Unread 05-01-2002, 08:41 PM   #1
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Join Date: Sep 2001
Location: Puerto Rico
Posts: 28
Post DRB II scan tool

Have any of you people have used a drbII scan tool?

I have the chilton repair manual and it says that in 1990 and earlier models this tool is needed to get the trouble codes from the ecu.

I cant find this tool in any place in the internet.

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Unread 05-03-2002, 12:02 PM   #2
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Join Date: Jan 2002
Posts: 73

Try this:

<a href="http://www.zjilla.com/tech_codes.htm" target="_blank">http://www.zjilla.com/tech_codes.htm</a>

Prior to 1998 (I think) you can get the error codes as blink codes out of the "check Engine" light. I assume this works on a 1990 Jeep as well....
kbeckman is offline   Reply With Quote Quick reply to this message
Unread 11-26-2009, 04:47 PM   #3
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1990 MJ Comanche 
Join Date: Nov 2009
Location: Coquitlam
Posts: 12
For those who are wondering, a 1990 Jeep will require a DRB-II. No amount of playing with the ignition ON-Off-ON-Off-ON will not get codes.

1991 started with the OBD-I

1984-1986 V6 can do the ignition thing to get the codes.
Shandley is offline   Reply With Quote Quick reply to this message
Unread 11-27-2009, 04:00 PM   #4
Blue XJ
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1988 MJ Comanche 
Join Date: Feb 2004
Location: Sterling Heights, MI
Posts: 1,775
I have a DRBII in my garage, you will also need the Jeep Eagle adapter for the DRBII in order to diagnose the 87-90 jeeps. There are no codes either, it only does live time data display.
'88 MJ
Blue Jeep Club Member #72
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