Circuit Inspection

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Item: Power and ground circuit inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
	Connector	Terminal	Connector	Terminal
Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	Electric Water Pump connector	4 (power)	Chassis ground	-	B+
	Electric Water Pump connector	1 (ON/START)	Chassis ground	-	B+
	Electric Water Pump connector	5 (ground)	Chassis ground	-	Approx. 0V

Good 

• Go to "CAN signal waveform inspection" procedure below.

No Good 

• Repair as necessary and then go to "Verification Of Repair " procedure.

Inspection Item: CAN signal waveform inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
	Connector	Terminal	Connector	Terminal
Ignition "ON".	ECM connector	55 (P-CAN High)	ECM connector	77 (P-CAN Low)	Fig.1

Courtesy of KIA MOTORS AMERICA, INC.

Good 

• Go to "CAN resistance inspection" procedure below.

No Good 

• Repair as necessary and then go to "Verification Of Repair " procedure.

Inspection Item: CAN resistance inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
	Connector	Terminal	Connector	Terminal
Ignition "OFF". Disconnect the battery (-) cable. Wait for approx. 4min.	ECM connector	55 (P-CAN High)	ECM connector	77 (P-CAN Low)	Approx. 60Ω

Good 

• Go to "CAN line inspection" procedure below.

No Good 

• Repair as necessary and then go to "Verification Of Repair " procedure.

Inspection Item: CAN line inspection
Inspection Condition	(+) Probe		(-) Probe		Specification
	Connector	Terminal	Connector	Terminal
Ignition "OFF". Disconnect the battery (-) cable. Disconnect the electrical connector(s) from the component.	ECM connector	55 (P-CAN High)	TCM connector	44 (P-CAN High)	Approx. below 1 Ω
	ECM connector	77 (P-CAN Low)	TCM connector	45 (P-CAN Low)	Approx. below 1 Ω

Good 

• Go to "COMPONENT INSPECTION " procedure.

No Good 

• Repair as necessary and then go to "Verification Of Repair " procedure.