P0137

DTC P0137 O2 SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 2)

1. OUTLINE OF DIAGNOSIS
Detect continuity NG of the oxygen sensor. Judge as NG when the O2 voltage is not within the range of possible values considering driving condition.




2. COMPONENT DESCRIPTION







3. ENABLE CONDITIONS

4. GENERAL DRIVING CYCLE
After starting the engine, continuously perform the diagnosis with the same engine condition.




5. DIAGNOSTIC METHOD

Abnormality Judgment
Judge as NG when the given conditions are established and the continuous time is more than specified time. Judge as OK NG when the given conditions are not established.

6. DTC CLEAR CONDITION
- When the OK idling cycle is completed 40 times in a row
- When "Clear Memory" is performed

7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
- When the OK driving cycle is completed 3 times in a row
- When "Clear Memory" is performed

8. FAIL SAFE
Sub feedback control: Not allowed

9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)