Front HO2S Current Inspection
- Warm up the engine to normal operating temperature.
- Using the WDS or equivalent, verify that the current of the front HO2S (WDS PID: O2S11) is as indicated in the table.
- If it cannot be verified even though the related harnesses have no malfunction, replace the front HO2S.
(See FRONT HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .)
Front HO2S current
FRONT HO2S CURRENT SPECIFICATIONEngine condition Current (mA) Accelerated Positive value Decelerated Negative value - If it cannot be verified even though the related harnesses have no malfunction, replace the front HO2S.