For 1990-2009 cars

#### Shift Solenoid Valve State and Gear Ratio

Gear Range | Solenoid Valve (S1) | Solenoid Valve (S2) | Neutral Control Solenoid Valve (SN) | Lock-up Solenoid Valve (SLU) | Gear Ratio
--- | --- | --- | --- | --- | ---
Park, Neutral | ON | OFF | OFF | OFF | --
Reverse | ON | OFF | OFF | OFF | 2.769:1
First | ON | OFF | OFF | OFF | 2.807:1
Second | ON | ON | OFF | OFF | 1.479:1
Third | OFF | ON | OFF | ON | 1.000:1
Fourth | OFF | OFF | OFF | ON | 0.735:1
The S1 and S2 shift solenoid valves are normally-closed. The SN solenoid valve is normally-opened.