October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Knock Sensor
- Leave knock sensor harness connector connected. Using a voltmeter, backprobe knock sensor connector. Connect voltmeter between sensor terminal and ground. Set voltmeter to 2-volt AC scale.
- Start and idle engine. Tap on engine block near sensor. A signal should be indicated on voltmeter. If no signal is indicated, replace knock sensor. Also see TIMING CONTROL SYSTEMS in this article and appropriate TESTS W/CODES
article.