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P0103

DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT

1. OUTLINE OF DIAGNOSIS
Detect open or short circuits of the air flow sensor.
Judge as NG if it is out of specification.




2. COMPONENT DESCRIPTION




3. ENABLE CONDITION

4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.




5. DIAGNOSTIC METHOD
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 0.5 seconds. Judge as OK and clear the NG when the malfunction criteria below are not met.

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 CONDITION
- When the OK driving cycle is completed 3 times in a row
- When "clear Memory" is performed

8. FAIL SAFE
None

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