P2229
DTC P2229 BAROMETRIC PRESSURE CIRCUIT HIGH INPUT1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of the atmospheric pressure sensor.
Judge as NG if it is out of specification.
2. COMPONENT DESCRIPTION
The barometric pressure sensor is built into the ECM.
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria becomes 0.5 second or more.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria are 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 CONDITIONS
- When the OK driving cycle is completed 3 times in a row
- When "Clear Memory" is performed
8. FAIL SAFE
Atmospheric pressure sensor process: Atmospheric pressure fixed at 101 kPa (760 mmHg, 29.8 inHg).
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)