What are the OBD I SAE documents?
01-17-2005, 11:25 AM
#1
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Car: 92 Camaro
Engine: ZZ4 Crate Engine w/Hot Cam
Transmission: Rebuilt 700R4 with Transgo and MW 3
Axle/Gears: 3.73 Eaton Posi
What are the OBD I SAE documents?
OBDII SAE standards - J1850, etc. are listed everywhere.
But does anybody know what SAE standard describes OBD I protocols? Particularly the communication of the Data link (ALDL) bus. I can't find it anywhere on the worthless SAE website.
I have various GM cars and was wondering how the 8192 data stream is utilized on all of the different lines of vehicles. The 160 baud documents would be nice to get too.
Thanks.
But does anybody know what SAE standard describes OBD I protocols? Particularly the communication of the Data link (ALDL) bus. I can't find it anywhere on the worthless SAE website.
I have various GM cars and was wondering how the 8192 data stream is utilized on all of the different lines of vehicles. The 160 baud documents would be nice to get too.
Thanks.
01-17-2005, 07:24 PM
#2
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Car: check
Engine: check
Transmission: check
At this site:
http://www.moates.net/fileman/index....%20Definitions
The ALDLStuff.zip file contains the OBD1 file stream specs. The 8192 baud is: async, 8N1.
The 160 baud is PWM. Info can be found here:
http://w1.601.telia.com/~u60113744/s...dl/winaldl.htm
RBob.
http://www.moates.net/fileman/index....%20Definitions
The ALDLStuff.zip file contains the OBD1 file stream specs. The 8192 baud is: async, 8N1.
The 160 baud is PWM. Info can be found here:
http://w1.601.telia.com/~u60113744/s...dl/winaldl.htm
RBob.
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