Component Inspection

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Engine "ON" and Engine WOT.	Rail Pressure Sensor connector	2 (signal)	Chassis ground	-	Fig 1

Fig 1: Screen Display - Normal Signal Waveform Of Rail Pressure Sensor At Engine Idle

G12689328

Courtesy of KIA MOTORS AMERICA, INC.

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

If no problems were found with the circuits or connectors, replace the rail pressure sensor and go to "VERIFICATION OF REPAIR " procedure.