DTC Detection Logic

DTC DETECTION CONDITION CHART

DTC No.	Trouble diagnosis name	DTC detecting condition	Possible cause
P1091	VVEL actuator motor relay circuit	VVEL control module detects the VVEL actuator motor relay is stuck OFF. VVEL control module detects the VVEL actuator motor relay is stuck ON.	Harness or connectors (VVEL actuator motor relay circuit is open or shorted). (Abort circuit is open or shorted). VVEL actuator motor relay VVEL control module ECM