Circuit Inspection

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

G13492793

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".	Brake switch connector	1 (Brake switch power)	Chassis ground	-	Approx. 12V
	Brake switch connector	4 (Brake lamp switch power)	Chassis ground	-	Approx. 3.5V
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	Brake switch connector	2 (Brake test switch)	ECM connector	28 (Brake test switch)	Approx. below 1Ω
	Brake switch connector	5 (Brake lamp switch)	ECM connector	29 (Brake lamp switch)	Approx. below 1Ω
Ignition "ON". Keep the brake taking "OFF".	Brake switch connector	2 (Brake test switch)	Chassis ground	-	Approx. 12V
Ignition "ON". Keep the brake taking "OFF".	Brake switch connector	5 (Brake lamp switch)	Chassis ground	-	Approx. 0V
Ignition "ON". Keep the brake stepping "ON".	Brake switch connector	2 (Brake test switch)	Chassis ground	-	Approx. 0V
Ignition "ON". Keep the brake stepping "ON".	Brake switch connector	5 (Brake lamp switch)	Chassis ground	-	Approx. 0V

Good

Go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the brake switch and go to "VERIFICATION OF REPAIR " procedure.