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EC-1010
[YD (WITH EURO-OBD)]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
OBD System Operation Chart BBS001WI
RELATIONSHIP BETWEEN MI, 1ST/2ND TRIP DTC, DTC, AND DETECTABLE ITEMS
● When the malfunction is detected for the first time, 1st trip DTC is stored in the ECM memory.
● When the same malfunction is detected during 2nd consecutive trip, 2nd trip DTC is stored and 1st trip
DTC is cleared.
● When the same malfunction is detected during 3rd consecutive trip, DTC and Freeze Frame Data are
stored and MI illuminates. Refer to EC-1001, "
Three Trip Detection Logic and One Trip Detection Logic"
for details.1st/2nd trip DTC are cleared from the ECM memory.
● MI will go off after the vehicle is driven 3 consecutive times with no malfunction (driving pattern A).
● 1st/2nd trip DTC, DTC, and Freeze Frame Data will be stored until the vehicle is driven 41 times (driving
pattern B) without the same malfunction recurring. “TIME” data displayed in the “SELF-DIAG RESULTS”
mode of CONSULT-II shows the number of times the vehicle is driven without the same malfunction recur-
ring.
SUMMARY CHART
Refer to EC-1012 for details of pattern A and B.
Items Trip Counter Driving Pattern
MI (goes off) 3 2 A
DTC, Freeze Frame Data (clear) 41 40 B
1st/2nd Trip DTC (clear) 41 40 B
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