question on WinALDL

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Oct 19, 2005 | 07:06 PM

greg0380

Thread Starter

Junior Member

Joined: Oct 2004

Posts: 44

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From: CT

Car: GM

Engine: GM

Transmission: GM

question on WinALDL

Noticed while using Winaldl that the checkmark for the DRP OCCURRED flag was going on and off. Should it stay on continuosly???

Oct 19, 2005 | 08:12 PM

JPrevost

Senior Member

Joined: Oct 1999

Posts: 6,621

Likes: 2

Car: 91 Red Sled

Axle/Gears: 10bolt Richmond 3.73 Torsen

No. It should be going on/off. DRP occured is the same as the 1228746's "reference pulse occured". It's basically saying that the engine is rotating, nothing more. It happens VERY fast so don't expect there to be some kind of pattern to it's on/off state. Obviously the higher the RPM the more frequent a DRP occures but with 160baud good luck catching it.