Location
The countershaft rpm sensor (B502) is screwed into the center part of the transmission housing on the right side of the transmission.
A5 | Transmission control (TCM) control unit |
B18 | Travel and speed rpm sensor |
B501 | Main shaft rpm sensor |
B502 | Countershaft rpm sensor |
B503 | Clutch travel sensor |
B504 | Range group travel sensor |
B505 | Transmission oil temperature sensor |
Y900 | Transmission positioner |
W26.19-1127-81
Task
The transmission control unit (TCM) (A5) records the speed of the countershaft via the countershaft rpm sensor (B502).
Structure
The countershaft rpm sensor (B502) is an active rpm sensor with integrated Hall sensor.