55
SSP 198/60
1436251
Diagram of signal of engine speed sender and Hall sender using the oscilloscope function of
VAS 5051
SSP 198/59
Software reference mark
72° before TDC of cylinder 1
TDC of cylinder 1
Sender wheel
Hall sender G40 (bank 2)
Engine speed sender G28
Diagram of signal of engine speed sender and the two Hall senders
Hall sender G163 Hall sender G40
TDC of cylinder
Engine speed sender G28
Hall sender G40
Here, the signals which G40, G163 and G28 generate are shown combined for added
clarity. A two-channel oscilloscope does not allow all three signals to be represented.
The TDC mark of the belt pulley reflects the TDC of cylinder 3.
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