Function chart
WARNING: This page is about a different car, the 2008 Mazda RX-8, 2007 Mazda RX-8, 2006 Mazda RX-8, 2005 Mazda RX-8, and 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
SOLENOID VALVE FUNCTION CHART
| Solenoid | Type | Characteristics | Function | |
|---|---|---|---|---|
| Pressure control solenoid | ON/OFF | Normal high (Supplies solenoid pressure to pressure control valve) | Set high or low line pressure depending on whether solenoid is energized or de-energized | |
| Shift solenoid A | Repeats ON and OFF at 50 Hz (20 ms cycle); duty cycle type | Normal high (Supplies solenoid pressure to amplifier valve) | Controls supply and drainage of solenoid pressure, according to change in on time ratio (0-100%) for one cycle | Controls amplifier valve, regulates low clutch pressure |
| Shift solenoid B | Controls amplifier valve, regulates 2-4 brake pressure | |||
| Shift solenoid C | Controls amplifier valve, regulates high clutch pressure | |||
| Shift solenoid F | Controls amplifier valve, regulates low and reverse brake pressure | |||
| TCC solenoid | Normal low (Drains solenoid pressure supplied to amplifier valve) | Controls TCC engagement and disengagement | ||