FixVault

Transmission Internal Mode Switch Logic

WARNING: This page is about a different car, the 2005 Pontiac Aztek and 2005 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Internal Mode Switch Logic

Gear Selector Position A B C P
Park LOW HI HI LOW
Park/Reverse LOW LOW HI LOW
Reverse LOW LOW HI HI
Reverse/Neutral HI LOW HI HI
Neutral HI LOW HI LOW
Neutral/Drive 4 HI LOW LOW LOW
Drive 4 HI LOW LOW HI
Drive 4/Drive 3 LOW LOW LOW HI
Drive 3 LOW LOW LOW LOW
Drive 3/Drive 2 LOW HI LOW LOW
Drive 2 LOW HI LOW HI
Drive 2/Drive 1 HI HI LOW HI
Drive 1 HI HI LOW LOW
Invalid HI HI HI HI
LOW HI HI HI
HI HI HI LOW
  • HI = Ignition voltage
  • LOW = 0 voltage