Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service and repair manual 2008-2014 year
|
|
EN(H4DOTC)(diag)-188 Diagnostic Procedure with Diagnostic Trouble Code (DTC) ENGINE (DIAGNOSTICS) Step Check Yes No 1 CHECK OUTPUT SIGNAL OF ECM. Connector & terminal (B134) No. 33 (+) — Chassis ground (–): Is the voltage 10 V or more? 2 CHECK FOR POOR CONTACT. Is there poor contact of ECM Repair the poor Even if DTC is In this case, tem- 3 CHECK POWER SUPPLY TO WASTEGATE Connector & terminal (E64) No. 1 (+) — Engine ground (–): Is the voltage 10 V or more? Repair the power 4 CHECK HARNESS BETWEEN ECM AND Connector & terminal (E64) No. 2 — Engine ground: Is the resistance 1 MΩ or Repair ground 5 CHECK HARNESS BETWEEN ECM AND Connector & terminal (B134) No. 33 — (E64) No. 2: Is the resistance less than 1 Ω? Go to step Repair the harness In this case, repair connector and wastegate control solenoid valve connector |