Signal Circuit Inspection
- Ignition switch OFF & Disconnect HO2S (B1/S2) connector.
- Turn ignition switch ON.
- Measure the voltage between signal terminal of HO2S (B1/S2) harness connector and chassis ground.
Specification : Approx 0.45V
- Is the measured voltage within specification?
YES
- Go to "GROUND CIRCUIT INSPECTION ".
NO
- Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR ".