Circuit Inspection

G15721464

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Item	Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Item	Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Open in circuit inspection (ICU ↔ SRSCM)	Ignition "OFF". Disconnect the battery (-) cable and wait at least for five minutes. Disconnect ICU, SRSCM connector.	ICU connector	17 (P-CAN high)	SRSCM connector	36 (P-CAN high)	Approx. below 1Ω
Open in circuit inspection (ICU ↔ SRSCM)		ICU connector	18 (P-CAN low)	SRSCM connector	35 (P-CAN low)	Approx. below 1Ω
Open in circuit inspection (ICU ↔ DBS)	Ignition "OFF". Disconnect the battery (-) cable and wait at least for five minutes. Disconnect ICU, DBS connector.	ICU connector	35 (signal)	DBS connector	1 (signal)	Approx. below 1Ω
Short in circuit inspection (DBS ↔ Chassis ground)	Ignition "OFF". Disconnect the battery (-) cable and wait at least for five minutes. Disconnect DBS connector.	DBS connector	1 (signal)	Chassis ground	-	∞ (infinity)Ω
Open in circuit inspection (DBS ↔ Chassis ground)	Ignition "OFF". Disconnect the battery (-) cable and wait at least for five minutes. Disconnect DBS connector.	DBS connector	2 (ground)	Chassis ground	-	Approx. below 1Ω
Oscilloscope (DBS)	Ignition "ON". Measure the waveform using VMI of KDS.	DBS connector	1 (signal)	Chassis ground	-	Fig.1

G15721465

Courtesy of KIA MOTORS AMERICA, INC.

Good

Carefully re-do this troubleshooting guide steps.
If problem still occurs, replace SRSCM and then Go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If problem still occurs, replace SRSCM main harness and then Go to "VERIFICATION OF REPAIR " procedure.