DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected: Specification

EGR Actuator		Terminal	Inspection Condition	Data
Pin No.	1	EGR Actuator Motor (+)	Ignition switch "On" Engine stop After disconnected the connector, measure the voltage from the harness side connector.	B+
	2	Blank		-
	3	EGR Actuator Motor (-)		B+
	4	EGR Actuator Position Sensor		Approx. 3.7V ~ 4.3V
	5	EGR Actuator Ground		0V
	6	EGR Actuator Power		Approx. 5V