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TheEngineer -> Check Engine Light (10/18/2006 9:05:02 AM)
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Well everyone knows about the infamous check engine light (CEL). Well here is what you need to do in order to figure out why its on.
ECU Codes
1990-1994 DSM
Here is a really simple way to get the codes from a 1g
http://www.dsm.org/archives/1998/09/19980907.txt/23.html
2g DSM
There are two different ways to get the codes from the 2g's. If you want to get a basic idea from your house you can do what is referred to as the 'Key Dance'
http://www.2g nt.com/www/files/pcmcode.htm
Your other option is you could either buy an OBDII reader or head to the nearest Autozone where they will read a code for you for free.
1996+ Vehicles
Any 1996+ vehicle will have the OBDII plugin. So as stated before you can either buy the reader or go to autozone to retrieve the codes.
TCM DSM Codes
When the ECU codes are retrieved and you get P0700, this indicates that the TCM is throwing a code and sending it to the ECU. In order to properly retrieve this code from a dsm you can use this link
http://www.plymouthlaser.com/tcucodes.htm
Ive also read that if you go to radioshack they have something that is alot easier to use than a multimeter. All it will do is buzz instead of displaying #'s. If you read the top of the link it says there will be long and short pulses. Well the one that buzzes will be alot easier to use. What it does is does a long buzz for every L at 10 increments and does a short buzz for S at 1 increments. So lets say that it does 2 long buzzes and 3 short buzzes. Then you have 10+10+3=33.
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