Perform HO2S (B1/S1) Heater Actuation Test: Notes

Connect KDS/GDS to Data Link Connector (DLC).
Ignition "ON" & Engine "RUN"
Perform "ACTUATION TEST " for "O2 Heater-Front"

Fig 1: Screen Display - O2 Heater-Front Actuation Test
Courtesy of KIA MOTORS AMERICA, INC.
Does the HO2S (B1/S1) Heater operate properly? (Check variation)
YES
- Go to "VERIFICATION OF REPAIR " procedure.
NO
- Go to "INSPECT HO2S (B1/S1) HEATER " procedure.