Signal Circuit Inspection

Ignition "OFF"
Disconnect HO2S connector.
Measure resistance between terminal 1 of the HO2S harness connector and chassis ground.
Specification : Infinite

Fig 1: Measuring Resistance Between Terminal 1 Of HO2S Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR AMERICA
Is resistance within the specification?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair open in the signal circuit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.