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MPI – TROUBLESHOOTING 13A-78 Checking Procedure 33 MUT-II/III Actuator Test valve OK: Operating noise audible, vibrates Check connector B-30 B-30 Waste gate solenoid valve measurement on solenoid valve • Resistance across 1– 2 B-30 Waste gate solenoid valve measurement on harness side • Ignition switch: ON C-50 Engine ECU connector measurement • Ignition switch: ON Check connector C-50 Check and repair harness damaged Check and repair harness cable is damaged MUT-II/III Actuator Test solenoid valve OK: Operating noise audible, vibrates Replace engine ECU Intermittent malfunction (ref. Replace waste gate solenoid Check connector B-19X Check and repair harness cable is broken or has a short Check connector C-50 Check and repair harness damaged or has a short circuit MUT-II/III Actuator Test valve OK: Operating noise audible, vibrates Replace engine ECU Intermittent malfunction (ref. Intermittent malfunction (ref. Waste Gate Solenoid Valve System Probable causes The waste gate solenoid valve controls pressure that is • Waste gate solenoid valve malfunction NG NG NG NG OK NG NG NG OK OK OK NG NG OK OK OK OK OK OK OK OK OK NG NG NG NG Repair Repair Repair Repair Repair Repair Repair |