Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service repair manual 2008-2014 year
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GD(H4DOTC)-184 Diagnostic Trouble Code (DTC) Detecting Criteria GENERAL DESCRIPTION DE:DTC P0507 IDLE AIR CONTROL SYSTEM RPM HIGHER THAN EXPECTED 1. OUTLINE OF DIAGNOSIS Detect the malfunction that actual engine speed is not close to target engine speed during idling. Judge as NG when actual engine speed is not close to target engine speed during idling. 2. ENABLE CONDITIONS 3. GENERAL DRIVING CYCLE Perform the diagnosis continuously at idling after warming up engine. 4. DIAGNOSTIC METHOD • Abnormality Judgment Time Needed for Diagnosis: 15 s × 1 time(s) Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy- cles. than the predetermined time. Time Needed for Diagnosis: 15 s Secondary Parameters Enable Conditions Engine coolant temperature ≥ 70 °C (158 °F) Battery voltage ≥ 10.9 V Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg) Fuel level ≥ 9.6 2 (2.54 US gal, 2.11 Imp gal) Elapsed time after starting the engine ≥ 10.49 s Accelerator pedal position = 0% Lambda value (left and right) ≥ 0.9 After switching air conditioner to ON/OFF ≥ 5.1 s After intake manifold pressure changes by 4 kPa (30 mmHg, 1.2 inHg) or more. > 5.1 s Elapsed time after switching neutral position switch to ON/OFF > 5.1 s Vehicle speed 0 km/h (0 MPH) Judgment Value Malfunction Criteria Threshold Value Actual engine speed – Targeted engine ≥ 200 rpm Feedback compensation for ISC Min. Judgment Value Malfunction Criteria Threshold Value Actual engine speed – Targeted engine < 200 rpm |