Power Circuit Inspection

■ Check Open in Harness 

1. IG "OFF" & Disconnect HO2S (S1) connector.
2. IG "ON".
3. Measure voltage between power terminal of HO2S (S1) heater harness connector and chassis ground.

   Specification:  B+

   Fig 1: Measuring Voltage Between Power Terminal Of HO2S (S1) Heater Harness Connector

   Courtesy of KIA MOTORS AMERICA, INC.
   Fig 2: Main Relay ON Power Connector Terminal

   Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured voltage within specification?

   YES 

   • Go to "CONTROL CIRCUIT INSPECTION " procedure.

   NO 

   • Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.