N52 Crankshaft Sensor Wiring Diagram
Green arrow terminal 2 is sensor ground signal wire.
N52 crankshaft sensor wiring diagram. Turn the key on but do not start the engine. Yellow arrow terminal 3 is the sensor supply voltage. Terminal 1 is the sensor reference voltage. Using the signal from the crankshaft sensor the ecm knows which cylinder is ready for fuel intake and then later for ignition.
Check your model against a current wiring diagram. 2006 bmw 530i n52 crank no start i pulled codes went to in. Kinda can see it on vantage. In this case it is easier to access the dme for testing than it is to access the crankshaft sensor connector.
F02 fuse pain in the arse to get to. The crankshaft position sensor is located near the starter motor mounted in the engine block. Only shows 2 vanos solenoids and 2 cam sensors in circuit i think there s more on the circuit but i m not 100. Testing the signal at the dme is the preferred method anyway because it eliminates any faults in the signal wiring from the.
I used alldata for wiring diagram and incomplete. A quick look at the wiring diagram and component locations gives us some idea of how to test the system. Turns out no 12v. Cam sensor to measure power grounds and signal.
The sensor reads a toothed reluctor wheel mounted to the end of the crankshaft. Ohm wire to ground.