Circuit Inspection

G13666859

Courtesy of KIA MOTORS AMERICA, INC.

G13666860

Courtesy of KIA MOTORS AMERICA, INC.

Module Circuit Inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	Front radar connector	1 (ground)	Chassis ground	-	Approx. below 1Ω
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	Front radar connector	6 (ON/START Input)	Chassis ground	-	B+

Good

Go to next procedure.

No Good

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

CAN communication circuit Inspection (E-CAN)
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "ON".	Front radar connector	4 (E-CAN high)	Chassis ground	-	Fig.1
Ignition "ON".	Front radar connector	5 (E-CAN low)	Chassis ground	-	Fig.1
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	Front radar connector	4 (E-CAN high)	ICU connector	31 (E-CAN high)	Approx. below 1Ω
	Front radar connector	5 (E-CAN low)	ICU connector	32 (E-CAN low)	Approx. below 1Ω
	Front radar connector	4 (E-CAN high)	Chassis ground	-	∞ (infinity)Ω
	Front radar connector	5 (E-CAN low)	Chassis ground	-	∞ (infinity)Ω
Ignition "OFF". Disconnect the battery (-) terminal. Disconnect the electrical connector(s) from the concerned component.	Front radar connector	4 (E-CAN high)	Front radar connector	5 (E-CAN low)	Approx. 60Ω

G13666861

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to next procedure.

No Good

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

CAN communication circuit Inspection (C-CAN)
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "ON".	HECU connector (W/O EPB)	4 (C-CAN high)	Chassis ground	-	Fig.2
Ignition "ON".	HECU connector (W/O EPB)	5 (C-CAN low)	Chassis ground	-	Fig.2
Ignition "ON".	HECU connector (With EPB)	19 (C-CAN high)	Chassis ground	-	Fig.2
Ignition "ON".	HECU connector (With EPB)	20 (C-CAN low)	Chassis ground	-	Fig.2
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	ICU connector	20 (C-CAN high)	HECU connector (W/O EPB)	4 (C-CAN high)	Approx. below 1Ω
	ICU connector	20 (C-CAN high)	HECU connector (With EPB)	19 (C-CAN high)	Approx. below 1Ω
	ICU connector	19 (C-CAN low)	HECU connector (W/O EPB)	5 (C-CAN low)	Approx. below 1Ω
	ICU connector	19 (C-CAN low)	HECU connector (With EPB)	20 (C-CAN low)	Approx. below 1Ω
Ignition "OFF". Disconnect the battery (-) terminal. Disconnect the electrical connector(s) from the concerned component.	HECU connector (W/O EPB)	4 (C-CAN high)	HECU connector (W/O EPB)	5 (C-CAN low)	Approx. 60Ω
	HECU connector (With EPB)	19 (C-CAN high)	HECU connector (With EPB)	20 (C-CAN low)	Approx. 60Ω
	SRSCM (component side)	27 (C-CAN high)	SRSCM (component side)	26 (C-CAN low)	Approx. 120Ω
	ICU (component side)	20 (C-CAN high)	ICU (component side)	19 (C-CAN low)	Approx. 120Ω

G13666862

Courtesy of KIA MOTORS AMERICA, INC.

Good

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

No 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 open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.