Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

G13681578

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	Knock sensor connector	1 (signal)	Chassis ground	-	Approx. 0V
	Knock sensor connector	2 (ground)	Chassis ground	-	Approx. 0V
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	Knock sensor connector	1 (signal)	PCM connector	51 (signal)	Approx. below 1Ω
	Knock sensor connector	2 (ground)	PCM connector	52 (ground)	Approx. below 1Ω
	Knock sensor connector	1 (signal)	Knock sensor connector	2 (ground)	∞ (infinity)Ω

Good

Go to "COMPONENT INSPECTION " procedure.

No Good

Repair or replace as necessary and then, go to "VERIFICATION OF REPAIR " procedure.