Circuit Inspection

WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.

G13287733

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON"	HUD connector 7	(C-CAN high)	Chassis ground	-	Fig. 1
	HUD connector	8 (C-CAN low)	Chassis ground	-	Fig. 1
Ignition "OFF". Disconnect the battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	HUD connector	7 (C-CAN high)	HUD connector	8 (C-CAN low)	Approx. 60Ω
Ignition "OFF". Disconnect the battery (-) cable. Disconnect the electrical connector(s) from the concerned component.	CLU (component side)	32 (C-CAN high)	CLU (component side)	33 (C-CAN low)	Approx. 120Ω
	ICU (component side)	9 (C-CAN high)	ICU Component	10 (C-CAN low)	Approx. 120Ω

G13287734

Courtesy of KIA MOTORS AMERICA, INC.

Good

Disconnect C-CAN communication units one by one and monitor DTC to find the cause.
If the DTC erase, substitute with a known-good unit and check for proper operation. If the problem is corrected, replace the unit and go to "Verification of Repair " procedure.

No Good

Check for open, short to battery and short to ground in C-CAN line.
Repair as necessary and go to "Verification of Repair " procedure.