Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service repair manual 2008-2014 year
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GD(H4DOTC)-140 Diagnostic Trouble Code (DTC) Detecting Criteria GENERAL DESCRIPTION 4. DIAGNOSTIC METHOD Measure secondary air delivery pipe pressure, pulse of secondary air delivery pipe pressure and secondary air pipe airflow amount. (1) IG (6) Secondary air delivery pipe pres- (10) Barometric pressure (Pas) mea- surement before secondary air (2) Ne (7) Diagnosis enable condition (11) Right bank all closed pressure (P0R) measurement (3) Secondary air pump operating (8) Pump supply pressure check (12) Both banks all closed pressure (P0RL) measurement (4) E-COMB valve (right hand) status (9) Flow amount check (judgment) (13) Left bank all closed pressure (P0L) measurement (5) E-COMB valve (left hand) status
(2) (7) (8) (6) (12) (11) (10) (13) (9) EN-05591 (3) ON OFF (1) ON OFF (4) OPEN CLOSE (5) OPEN CLOSE |