P2096

DTC P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN (BANK 1)

1. OUTLINE OF DIAGNOSIS
Detect the malfunction of fuel system from the size of the sub feedback learning value. Control the sub feedback learning and judge as NG when the learning value is in the lean zone.




2. COMPONENT DESCRIPTION




3. ENABLE CONDITIONS

4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously when idling or when the vehicle is at a constant speed of 80 km/h (50 MPH).




5. DIAGNOSTIC METHOD
Judge as NG when the continuous time when the given conditions are established is higher than 5 seconds.
Judge as OK and clear the NG when the continuous time of the given conditions not being established is more than 5 seconds.

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 similar driving conditions are repeated 3 times and the result is OK.
- When "Clear Memory" is performed

8. FAIL SAFE
None

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