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Home >> Nissan-Datsun >> 2005 >> Altima Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Qr25DE >> On Board Diagnostic (OBD) System >> OBD System Operation Chart >> Summary Chart

Summary Chart

SUMMARY CHART

Items Fuel Injection System Misfire Other
MIL (goes off) 3(pattern B) 3(pattern B) 3 (pattern A)
DTC, Freeze Frame Data (no display) 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 (1),(2) (1),(2) 1 (pattern B)
For details about patterns B and C under "Fuel Injection System" and "Misfire", see EXPLANATION FOR DRIVING PATTERNS FOR "MISFIRE EXHAUST QUALITY DETERIORATION", "FUEL INJECTION SYSTEM" .
For details about patterns A and B under "Other", see EXPLANATION FOR DRIVING PATTERNS EXCEPT FOR "MISFIRE EXHAUST QUALITY DETERIORATION", "FUEL INJECTION SYSTEM" .
(1) Clear timing is at the moment OK is detected.
(2) Clear timing is when the same malfunction is detected in the 2nd trip.