Drive to Fourth Switch
WARNING: This page is about a different car, the 2002 Jaguar XK8 and 2001 Jaguar XK8. However, it is still accessible from the selected car via links, so may be relevant.
Detects the movement of the selector lever from Drive to Fourth position. The selector cable, and therefore the transmission selector shaft, does not move as the lever is operated between these two positions. The switch is located within the "J-gate" assembly, producing a digital output to indicate to the TCM that the lever has moved from D to 4.