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ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-73 [VQ35DE] C D E F G H I J K L M A EC OBD System Operation Chart NBS004SP RELATIONSHIP BETWEEN MIL, 1ST TRIP DTC, DTC, AND DETECTABLE ITEMS ● When a malfunction is detected for the first time, the 1st trip DTC and the 1st trip freeze frame data are ● When the same malfunction is detected in two consecutive trips, the DTC and the freeze frame data are . ● The MIL will go off after the vehicle is driven 3 times (driving pattern B) with no malfunction. The drive is ● The DTC and the freeze frame data will be stored until the vehicle is driven 40 times (driving pattern A) ● The 1st trip DTC is not displayed when the self-diagnosis results in OK for the 2nd trip. SUMMARY CHART For details about patterns B and C under “Fuel Injection System” and “Misfire”, see EC-75, "EXPLANATION FOR DRIVING PATTERNS FOR “MISFIRE <EXHAUST QUALITY DETERIORATION>”, “FUEL INJECTION SYSTEM”" For details about patterns A and B under Other, see EC-77, "EXPLANATION FOR DRIVING PATTERNS EXCEPT FOR “MISFIRE <EXHAUST QUALITY DETERIORATION>”, “FUEL INJECTION SYSTEM”" *1: Clear timing is at the moment OK is detected. Items Fuel Injection System Misfire Other MIL (goes off) 3 (pattern B) 3 (pattern B) 3 (pattern B) DTC, Freeze Frame Data (no 80 (pattern C) 80 (pattern C) 40 (pattern A) 1st Trip DTC (clear) 1 (pattern C), * 1 1 (pattern C), * 1 1 (pattern B) 1st Trip Freeze Frame Data *1, *2 *1, *2 1 (pattern B) |