Power Circuit Inspection

■ Check Open or Short in power circuit 

1. IG "OFF" & Disconnect HO2S (S2)_DOWN connector.
2. IG "ON".
3. Measure the voltage between power terminal "3" of HO2S (S2)_DOWN harness connector and chassis ground.

   Specification  : Approx B+

4. Is the measured voltage within specification?

   YES 

   • Go to "Control Circuit Inspection " procedure.

   NO 

   • Repair Open or Short circuit and then, go to "Verification of Vehicle Repair " procedure.