Hello together, I would like to contact you again: My G270cdi Bj. 2002 with 225tkm currently deals with start problems, which unfortunately increase. Last time he went into the emergency run during the ride. Diagnosis shows the error P1354 “synchronization between crankshaft and camshaft”. New crankshaft and camshaft sensors did not improve. Before I check the control times and control chain, I would like to look at the sensor signals with the oscilloscope. In the case of the camshaft sensor cable, mass (Pin 1) and 12V supply voltage (Pin3) are inconspicuous. In the case of the signal line (Pin2), I did not know how to check them. In the case of the camshaft sensor cable, my research should be based on mass (or donor mass) according to pin 1. Pin 2 will bring the signal voltage. And now it will be incomplete for pullable: When Ignition OFF around 80kOhm between Pin1 and vehicle mass. Well, I thought, maybe the vehicle mass in the control unit will be switched to the donor mass only when Ignition OFF. But when Ignition OFF there is suddenly 2.5V between Pin 1 and vehicle mass. Also 2.5V between Pin 2 and vehicle mass. Can this be true? If someone has an electrical circuit diagram, that would of course also be a hit Lg Seppo