LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 1996 >> Astro Van Cargo, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0339 - Crankshaft Position Sensor Circuit Intermittent >> Circuit Description

Circuit Description

Crankshaft Position (CKP) sensor sends reference signal to VCM to indicate position of crankshaft and engine speed (RPM). VCM uses this information to determine ignition coil, fuel injector and ignition timing.