Comparison Between Proportioning Valve And EBD

Fig 1: Proportioning Valve And EBD Graph

Courtesy of HYUNDAI MOTOR CO.

FAIL SAFE CHART

FAIL CAUSE	SYSTEM		WARNING LAMP
	ABS	EBD	ABS	EBD
None	ON	ON	OFF	OFF
1-Wheel speed sensor failure	OFF	ON	ON	OFF
Pump malfunction	OFF	ON	ON	OFF
Low voltage	OFF	ON	ON	OFF
2 or more wheel speed sensor failure Solenoid valve failure HECU malfunction Valve relay failure Over voltage Other failure	OFF	OFF	ON	ON