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GD(H6DO)-16 Diagnostic Trouble Code (DTC) Detecting Criteria GENERAL DESCRIPTION 4. GENERAL DRIVING CYCLE Perform the diagnosis continuously 6 seconds after engine start while variable valve lift is being controlled 5. DIAGNOSTIC METHOD • Abnormality Judgement If the duration of time while the following conditions are met is longer than the time indicated, judge as NG. Time Needed for Diagnosis: • Normality Judgement Judge as OK and clear the NG if the continuous time while the following conditions are established is more Time Needed for Diagnosis: F: DTC P0028 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/ PERFORMANCE (BANK 2) 1. OUTLINE OF DIAGNOSIS NOTE: Judgement Value Malfunction Criteria Threshold Value Low Duty ratio t 62 % Variable valve lift diagnosis oil pressure OFF High Duty ratio < 33 % Variable valve lift diagnosis oil pressure ON Judgement Value Malfunction criteria Threshold value Low Duty ratio t 62 % Variable valve lift diagnosis oil pressure ON High Duty ratio < 33 % Variable valve lift diagnosis oil pressure OFF |