Ground Circuit Inspection
- IG "OFF".
- Disconnect HO2S (B1/S1) connector.
- Measure resistance between terminal 1 of HO2S (B1/S1) and chassis ground.
Specification: Approx. below 1Ω
- Is the measured resistance within specification?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.