DTC P0340: No Cam Signal At Pcm: Description
Cam signal is monitored with engine cranking or running. DTC will set in Powertrain Control Module (PCM) memory when PCM senses at least 5 seconds has past with Crankshaft Position (CKP) sensor signals present but no signals from Camshaft Position (CMP) sensor. Possible causes for DTC to set are: defective tone wheel/pulse ring, defective CMP sensor, defective PCM, defective connectors or defective wiring.