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.
3X Crank Sensor
Scan tool displays
1600-10,000 RPM. This signal is calculated from the 7X pulses and is fed to the
Powertrain Control Module (PCM) by the
ignition control module. This is used by the PCM in order to calculate RPM at engine speeds above
1600 RPM and to initiate injector pulses.