GM Service Manual Online
For 1990-2009 cars only

Gear

Shift SOL 1

Shift SOL 2

Aux Line BOOST Valve PC SOL 5 N.L.

1-3 CL PC SOL 4 N.L.

Hybrid Low, 1-2 CL PC SOL 3 N.H.

Hybrid Direct, 2-3-4 CL PC SOL 2 N.H.

Isolator Valve PC SOL 1 N.H.

Gear Ratio

Park (Engine Running)

OFF

OFF

OFF

OFF

OFF

OFF

ON

--

Reverse (EVT Engine Running)

OFF

OFF

OFF

OFF

ON

OFF

ON

3.692

Neutral (Engine Running

OFF

OFF

OFF

OFF

OFF

OFF

ON

--

EVT Mode 1 (Engine Running)

OFF

OFF

OFF

OFF

ON

OFF

ON

Infinity to 1.70

EVT Mode 1 (Engine Off)

OFF

OFF

ON

OFF

ON

OFF

OFF

Infinity to 1.70

Drive 1st

ON

OFF

OFF

ON

ON

OFF

ON

3.692

Drive 2nd

ON

OFF

OFF

OFF

ON

ON

ON

1.705

Drive 3rd

ON

ON

OFF

ON

OFF

ON

ON

1.000

Drive 4th

ON

ON

OFF

OFF

ON

ON

ON

0.738

EVT Mode 2 (From 4th)

OFF

ON

OFF

OFF

OFF

ON

ON

--

Power Off Low Default

OFF

OFF

OFF

OFF

ON

ON

ON

--

Power Off High Default

OFF

OFF

OFF

OFF

ON

ON

ON

--

For shift solenoids 1 and 2, "ON" = Solenoid Energized (Pressurized) "OFF" = Solenoid De-energized (No Pressure).

For pressure control solenoids, "ON" = Pressurized, "OFF" = No Pressure