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6E1–31 X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION DTC Types Each DTC is directly related to a diagnostic test. The D Type A D Emissions related D Requests illumination of the MIL of the first trip with a D Stores a History DTC on the first trip with a fail D Stores a Freeze Frame (if empty) D Stores a Fail Record D Updates the Fail Record each time the diagnostic D Type B D Emissions related D ”Armed” after one (1) trip with a fail D ”Disarmed” after one (1) trip with a pass D Requests illumination of the MIL on the second consecutive trip with a fail D Stores a History DTC on the second consecutive trip D Stores a Freeze Frame on the second consecutive D Stores a Fail Record when the first test fails (not consecutive trip fails) D Updates the Fail Record each time the diagnostic (Some special conditions apply to misfire and fuel trim D Type C (if the vehicle is so equipped) D Non–Emissions related D Requests illumination of the Service Lamp or the first trip with a fail D Stores a History DTC on the first trip with a fail D Does not store a Freeze Frame D Stores Fail Record when test fails D Updates the Fail Record each time the diagnostic D Type D. ( Type D non–emissions related are not utilized on certain vehicle applications). D Non–Emissions related D Does not request illumination of any lamp D Stores a History DTC on the first trip with a fail D Does not store a Freeze Frame D Stores Fail Record when test fails D Updates the Fail Record each time the diagnostic IMPORTANT: Only four Fail Records can be stored. Each Fail Record is for a different DTC. It is possible that Storing and Erasing Freeze Frame Data and Failure Failure Records buffer. A subsequent failure will update the typically include the following parameters: D Engine Speed D Engine Load D Engine Coolant Temperature D Vehicle Speed D TP D MAP/BARO D Injector Base Pulse Width D Loop Status Intermittent Malfunction Indicator Lamp Data Link Connector (DLC) D Identifying stored Diagnostic Trouble Codes (DTCs) D Clearing DTCs D Performing output control tests D Reading serial data |