Recommended Procedure
WARNING: This page is about a different variant/trim than selected.
Connect scan tool to Data Link Connector (DLC). Using scan tool, access RPM PID from PID/DATA MONITOR & RECORD menu. Crank engine while monitoring RPM PID reading. If RPM PID reading indicates less than 100 RPM, check CMP sensor circuit. See TEST DF: CAMSHAFT POSITION SENSOR under SYSTEM TESTS in SELF-DIAGNOSTICS - 7.3L DIESEL article.