CAN Communication Inspection

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "ON".	OCS ECU connector	1 (P-CAN high)	Chassis ground	-	Fig.1
Ignition "ON".	OCS ECU connector	2 (P-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Connect all module connectors related to P-CAN.	OCS ECU connector	1 (P-CAN high)	OCS ECU connector	2 (P-CAN low)	Approx. 60Ω
Ignition "OFF". Disconnect ECM and ICU connectors.	ECM (component side)	77 (P-CAN high)	ECM (component side)	60 (P-CAN low)	Approx. 120Ω
Ignition "OFF". Disconnect ECM and ICU connectors.	ICU (component side)	22 (P-CAN high)	ICU (component side)	23 (P-CAN low)	Approx. 120Ω
Ignition "OFF". Disconnect all module connectors related to P-CAN. Ignition "ON".	OCS ECU connector	1 (P-CAN high)	Chassis ground	-	0V
	OCS ECU connector	2 (P-CAN low)	Chassis ground	-	0V
Ignition "OFF". Disconnect all module connectors related to P-CAN.	OCS ECU connector	1 (P-CAN high)	Chassis ground	-	∞ (infinity)Ω
	OCS ECU connector	2 (P-CAN low)	Chassis ground	-	∞ (infinity)Ω
	OCS ECU connector	1 (P-CAN high)	SRSCM connector	36 (P-CAN high)	Approx. below 1Ω
	OCS ECU connector	2 (P-CAN low)	SRSCM connector	35 (P-CAN low)	Approx. below 1Ω

G15720230

Courtesy of KIA MOTORS AMERICA, INC.

Good

Check module connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "BODY SENSOR RESET " and "Verification Of Repair" procedure.

No Good

Repair as necessary and then go to "BODY SENSOR RESET " and "Verification Of Repair" procedure.