Shift Solenoid Valve State and Gear Ratio
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Shift Solenoid Valve State and Gear Ratio
| Gear Range | Reverse, 1st Shift Solenoid Valve (S1) | 2-3, 3-4 Shift Solenoid Valve (S2) | 1-2, 2-3 Shift Solenoid Valve (S3) | 3-4, 4-5 Shift Solenoid Valve (S4) | Reverse Shift Solenoid Valve (S5) | Gear Ratio |
|---|---|---|---|---|---|---|
| Park, Neutral | OFF | OFF | OFF | OFF | OFF | - |
| Reverse | OFF | ON | ON | OFF | ON | 3.177:1 |
| First (L2) | ON | OFF | ON | OFF | ON | 4.685:1 |
| First (D), (L4) | ON | OFF | ON | OFF | OFF | 4.685:1 |
| Second | OFF | ON | ON | OFF | OFF | 2.942:1 |
| Third | OFF | ON | ON | ON | OFF | 1.923:1 |
| Fourth | OFF | ON | OFF | ON | OFF | 1.301:1 |
| Fifth | OFF | OFF | OFF | ON | OFF | 1.000:1 |
| The reverse, 1st; 2-3, 3-4; and 3-4, 4-5 shift solenoid valves are normally-open. The 1-2, 2-3, reverse; and reverse shift solenoid valves are normally-closed. The reverse shift solenoid valve is also energized (ON) during 2-3 and 3-4 shifts. |
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