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DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS- FIRE EC-901 < SERVICE INFORMATION > [VK45DE] C D E F G H I J K L M A EC N P O 6. Also check harness for short to power. OK or NG OK >> GO TO 15. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 15. CHECK A/F SENSOR 1 HEATER EC-744, "Component Inspection" OK or NG OK >> GO TO 16. NG >> Replace malfunctioning A/F sensor 1. 16. CHECK MASS AIR FLOW SENSOR With CONSULT-III Check mass air flow sensor signal in “DATA MONITOR” mode with CONSULT-III. With GST Check mass air flow sensor signal in “Service $01” with GST. OK or NG OK >> GO TO 17. NG >> Check connectors for rusted terminals or loose connections in the mass air flow sensor circuit or grounds. Refer to . 17. CHECK SYMPTOM MATRIX CHART Check items on the rough idle symptom in EC-673, "Symptom Matrix Chart" . OK or NG OK >> GO TO 18. NG >> Repair or replace. 18. ERASE THE 1ST TRIP DTC Some tests may cause a 1st trip DTC to be set. >> GO TO 19. 19. CHECK INTERMITTENT INCIDENT >> INSPECTION END 2 75 2 77 5 35 5 57 6 56 6 58 Continuity should not exist. Bank 1 Bank 2 2.0 - 6.0 g·m/sec: at idling 7.0 - 20.0 g·m/sec: at 2,500 rpm 2.0 - 6.0 g·m/sec: at idling 7.0 - 20.0 g·m/sec: at 2,500 rpm |