Signal Circuit Inspection
■ Check voltage
- IG "OFF". Disconnect HO2S (B2/S1) connector.
- IG "ON".
- Measure voltage between signal terminal of HO2S (B2/S1) harness connector and chassis ground.
Specification: Approx. 0.6~0.9V
- Is the measured voltage within specification?
YES
- Go to "GROUND CIRCUIT INSPECTION " procedure.
NO
- Repair open in harness, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.