Hold Mode
ABS OPERATION - HOLD MODE
| Solenoid valve | State | Valve | Passage | Pump motor |
|---|---|---|---|---|
| IN (NO) | ON | CLOSE | Master cylinder <==> Wheel cylinder | OFF |
| OUT (NC) | OFF | CLOSE | Wheel cylinder <==> Reservoir |
When the brake fluid pressure is maximally decreased in wheel cylinder, HECU sends a signal to solenoid valve to keep the fluid pressure, voltage is supplied to inlet valve but it is not supplied to outlet valve. At this time inlet and outlet valves are closed and brake fluid is kept in wheel cylinder.