Ground Circuit Inspection
- Turn the ignition switch "OFF" & Disconnect HO2S (S2) connector.
- Turn the ignition switch "ON" & ENG "OFF".
- Measure the voltage between ground terminal of HO2S (S2) harness connector and chassis ground.
Specification: Approx 1.0V
- Is the measured voltage within specification?
YES
- Go to "Component Inspection ".
NO
- Repair relevant component (s) as necessary and then go to "Verification of Vehicle Repair ".