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Here's the same schematic, easier to read.
I used an empty film canister to hold everything together. Drill holes in the bottom of the can for the LED and switch. And drill a hole in the lid for the wire leads.
To read codes, plug black lead into Pin 1 (ground), plug red lead into Pin 16 (12v), plug test lead into Pin 8 or 14.
Turn ignition on, press switch 2-4 secs, and count the number of flashes. After reading that code, press 2-4 seconds to read the next code, and continue iterating until all codes are read. You'll know all codes are read when you read the first code again. One flash means there are no codes to read.
To clear the codes, you must first read the code, then within 10 secs, press the button 6-8 secs.
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95 E320 Cabriolet, 159K
Last edited by Kestas; 11-01-2006 at 10:11 AM.
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