Transmission Fluid Pressure Manual Valve Position Switch Logic
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
TFP Manual Valve Position Switch Logic
| Gear Selector Position |
Signal A |
Signal B |
Signal C |
| Park/Neutral |
HI |
LOW |
HI |
| Reverse |
LOW |
LOW |
HI |
| Drive 4 |
HI |
LOW |
LOW |
| Drive 3 |
HI |
HI |
LOW |
| Drive 2 |
HI |
HI |
HI |
| Drive 1 |
LOW |
HI |
HI |
| Invalid |
LOW |
HI |
LOW |
| LOW |
LOW |
LOW |
- HI = Ignition voltage
- LOW = 0 voltage
|