Transmission Fluid Pressure Manual Valve Position Switch Logic
WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Fluid Pressure Manual Valve Position Switch Logic
| Range Signal |
A |
B |
C |
| Park/Neutral |
HI |
LOW |
HI |
| Reverse |
LOW |
LOW |
HI |
| Park/Neutral |
HI |
LOW |
HI |
| D4 |
HI |
LOW |
LOW |
| D3 |
HI |
HI |
LOW |
| D2 |
HI |
HI |
HI |
| D1 |
LOW |
HI |
HI |
| Illegal |
LOW |
HI |
LOW |
| Illegal |
LOW |
LOW |
LOW |
LOW = 0 volts
HI = Ignition voltage |