Current Adjust Circuit Inspection

Turn the ignition switch "OFF"
Disconnect HO2S (S1) connector and ECM connector.
Measure the resistance between both ends of the HO2S (S1) Current Adjust terminal harness.
Specification: Approx. 0Ω
Is the measured resistance within specification?
YES
- Go to "Component Inspection ".
NO
- Repair relevant component (s) as necessary and then go to "Verification of Vehicle Repair "