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EC-260 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P014C, P014D, P014E, P014F, P015A, P015B, P015C, P015D A/F SENSOR 1 Is the inspection result normal? YES >> GO TO 8. NO >> Repair open circuit, short to ground or short to power in harness or connectors. 8. CHECK AIR FUEL RATIO (A/F) SENSOR 1 HEATER Check air fuel ratio (A/F) sensor 1 heater. Refer to EC-172, "Component Inspection" . Is the inspection result normal? YES >> GO TO 9. NO >> Replace malfunctioning air fuel ratio (A/F) sensor 1. Refer to EM-31, "Removal and Installation (LH) or EM-33, "Removal and Installation (RH)" (RH). 9. CHECK MASS AIR FLOW SENSOR Check both mass air flow sensor (bank 1 and bank 2). EC-185, "Component Inspection" Is the inspection result normal? YES >> GO TO 10. NO >> Replace mass air flow sensor. Refer to EM-24, "Removal and Installation" . 10. CHECK PCV VALVE EC-514, "Component Inspection" Is the inspection result normal? YES >> GO TO 11. NO >> Repair or replace PCV valve. 11. CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to GI-41, "Intermittent Incident" . Is the inspection result normal? YES >> Replace malfunctioning air fuel ratio (A/F) sensor 1. Refer to EM-31, "Removal and Installation (LH) or EM-33, "Removal and Installation (RH)" (RH). NO >> Repair or replace error-detected parts. |