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Circuit Inspection

G12852722

Courtesy of KIA MOTORS AMERICA, INC.

G12852723

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "ON".	ICU connector	9 (C-CAN high)	ICU connector	10 (C-CAN low)	Fig.1

G12852724

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to "C-CAN Communication Line Inspection" procedure.

No Good

Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.

C-CAN Communication Line Inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF" and disconnect the battery. Disconnect the electrical connector(s) from the concerned component.	ESC module connector	19 (C-CAN high)	ESC module connector	18 (C-CAN low)	Approx. 60Ω
	SRSCM Connector	26 (C-CAN high)	SRSCM Connector	27 (C-CAN low)	Approx. 60Ω
	ESC module connector	19 (C-CAN high)	SRSCM Connector	26 (C-CAN high)	Approx. below 1Ω
	ESC module connector	18 (C-CAN low)	SRSCM Connector	27 (C-CAN low)	Approx. below 1Ω

Good

Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
Repair or replace as necessary and then 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 SRSCM and go to "VERIFICATION OF REPAIR " procedure.
* In case of replacing SRSCM, perform "Longitudinal G Sensor Calibration (HAC/DBC Only)" in "Vehicle S/W management".