LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Specifications >> Transmission Fluid Pressure Manual Valve Position Switch Logic

Transmission Fluid Pressure Manual Valve Position Switch Logic

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. 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