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содержание .. 884 885 886 887 ..
P0300, P0301, P0302, P0303, P0304 MISFIRE EC-673 < DTC/CIRCUIT DIAGNOSIS > [QR25DE] C D E F G H I J K L M A EC N P O *: Check for linear frequency rise in response to engine being increased to about 4,000 rpm. Without CONSULT 1. Install all removed parts. 2. Start engine and warm it up to normal operating temperature. 3. Check mass air flow sensor signal in Service $01 with GST. *: Check for linear frequency rise in response to engine being increased to about 4,000 rpm. Is the measurement value within the specification? YES >> GO TO 16. NO >> Check connectors for rusted terminals or loose connections in the mass air flow sensor circuit or ground. Refer to . 16. CHECK SYMPTOM TABLE Check items on the rough idle symptom in . Is the inspection result normal? YES >> GO TO 17. NO >> Repair or replace error-detected parts. 17. ERASE THE 1ST TRIP DTC Some tests may cause a 1st trip DTC to be set. . >> GO TO 18. 18. CHECK INTERMITTENT INCIDENT GI-44, "Intermittent Incident" . >> INSPECTION END Monitor item Condition Value MASS AIR FLOW SENSOR (Hz) Ignition switch ON (Engine stopped.) Approx. 3500 Hz Idle (Engine is warmed-up to normal operating temper- 3500- 4100 Hz 2,500 rpm (Engine is warmed-up to normal operating 5100 - 5600 Hz Idle to about 4,000 rpm 3500 - 4100 Hz to Approx. 6300 Hz* ECM Condition Value Connector + − Terminal F85 35 34 Ignition switch ON (Engine stopped.) Approx. 3500 Hz Idle (Engine is warmed-up to normal operating temper- 3500- 4100 Hz 2,500 rpm (Engine is warmed-up to normal operating 5100 - 5600 Hz Idle to about 4,000 rpm 3500 - 4100 Hz to Approx. 6300 Hz* Ignition switch ON (Engine stopped.) Approx. 3500 Hz |