The P0340 trouble code indicates a problem with the Camshaft Position Sensor Circuit. So, I would test the connections back to the PCM, here is a guide to help and the PCM wiring diagrams so well, there should be 0 ohms at each connection with open connections to ground. Test the sensor and PCM disconnected.
https://www.2carpros.com/articles/how-to-check-wiring
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Saturday, May 4th, 2024 AT 9:18 PM