Under normal operation, the PCM compares the signals from the Crankshaft Position Sensor (CKP) and the Camshaft Position Sensor (CMP). If the CMP signal is erratic, missing pulses, shows a weak voltage amplitude, or is not synchronized correctly with the Crankshaft signal, the PCM triggers P0346.

Elias pulls out an old, rugged laptop. It’s covered in stickers and hasn't seen an internet connection in years. He double-clicks a faded icon: Autodata 3.46

The 3.x series of Autodata was widely known for providing offline access to a vast database of vehicle technical specifications, including:

Based on common known specs for (similar to multi-brand diagnostic interfaces like Bosch, Launch, or Autel), here is the full feature set typically claimed: