Crank Sensor Testing A Comprehensive Guide for Novices

1. Locate the crankshaft position (CKP) sensor harness connector. It's the right, black connector on the firewall (group of 5 connectors), left side of block. Best way to check if the CSP sensor is the culprit....and for free. Go buy a new one and put it in. Crank it up and go for a drive. If it works keep it. It should display an engine speed reading of between 100 and 500 RPM. Anything outside of this range can indicate a bad crankshaft position sensor. Some common symptoms of a bad crankshaft position sensor are an illuminated check engine light, hard starting, and misfires. A bad crankshaft ... 700 - 1000 ohms at red and green. I think some members might be confusing the CPS, which is Cam Position Sensor, with the crank sensor. They do ... I am looking at the Actron CP9575. I lists about 50 PID codes, including MAF, MAP, O2, etc, but nothing on the crankshaft sensor. Does a scan tool read any & ... Can anyone tell me how to test the crank sensor? In the GM shop manual you use a scope and check to see if it is putting out 60HZ at 900 rpm ... You can look at the waveform they generate with an oscilloscope, but that doesn't necessarily tell you if the problem is in the sensor itself, ... You can backprobe or pierce the yellow and light blue wires and check for voltage when cranking. You can also do this at the ignition module located beneath ... Use manufacturer's data to identify the CKP signal terminal. · Connect PicoScope Channel A. · Minimize the help page. · Start the scope. · Crank the engine for ...