July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Code 3-1-2 (Knock/Fuel Enrichment)

Turn ignition on. Connect a voltmeter between terminal No. 28 (Gray/Red wire) of fuel system ECU connector and ground. Reading should be approximately 0.7 volt. If voltage is not specified, check resistance between appropriate ECU connector wire and knock sensor. For knock sensor testing, see SYSTEM/COMP TESTS article.