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EC-246 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P014C, P014D, P014E, P014F, P015A, P015B, P015C, P015D A/F SENSOR 1 5. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1minute under no load. 6. Let engine idle for 1 minute. 7. Increase the engine speed up to about 3,600 rpm and keep it for 10 seconds. 8. Fully release accelerator pedal and then let engine idle for about 1 minute. 9. Check the items status of “DATA MONITOR” as follows. NOTE: If “PRSNT” changed to “ABSNT”, refer to EC-165, "Component Function Check" Is “PRSNT” displayed on CONSULT screen? YES >> GO TO 4. NO >> GO TO 3. 3. PERFORM DTC CONFIRMATION PROCEDURE-2 With CONSULT Perform DTC confirmation procedure-1 again. YES >> GO TO 4. NO >> Refer to EC-165, "Component Function Check" . 4. PERFORM DTC CONFIRMATION PROCEDURE-2 With CONSULT 1. Wait for about 20 seconds at idle. 2. Check the items status of “DATA MONITOR” as follows. NOTE: If “CMPLT” changed to “INCMP”, refer to EC-165, "Component Function Check" Is “CMPLT” displayed on CONSULT screen? YES >> GO TO 5. NO >> Refer to EC-165, "Component Function Check" . 5. PERFORM SELF-DIAGNOSIS With CONSULT Check the “SELF-DIAG RESULT”. YES >> Proceed to . NO >> INSPECTION END 6. CHECK AIR-FUEL RATIO SELF-LEARNING VALUE With GST DTC Data monitor item Status • P014C A/F SEN1 DIAG3 (B1) PRSNT • P014E A/F SEN1 DIAG3 (B2) DTC Data monitor item Status • P014C A/F SEN1 DIAG1 (B1) CMPLT A/F SEN1 DIAG2 (B1) • P014E A/F SEN1 DIAG1 (B2) A/F SEN1 DIAG2 (B2) |