HomeReviewsMachines, Equipment, and ToolsToolsOTC OBD I & II Scan Tool 3211Back Cover

OTC OBD I & II Scan Tool 3211

Back Cover

Before going to town on the car, I installed the required four AAA batteries. The tool will work on the car, or powered via the USB connector (cable not included), without the batteries, but in order to power it up without it being hooked up, the batteries are necessary and not included with the tool. You'll also need a screw driver to open the back cover, which, again, isn't included with the tool. As a side note: be super careful not to strip the threads or the head of the screw. The threads in the tool are brass, and the head of the screw uses a smaller Phillips screw driver, like a #3 (I just carefully used the screw driver in my Swiss Army knife — which just happened to be the ideal size). Photo: Ryan King, 2018.

Assembly and Use Image Gallery | Image 4 of 17

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