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MPI - Troubleshooting 13A-47 Code No. P1104 Waste gate solenoid valve system Probable cause Inspection Range Battery voltage is more than 10 V. Evaluation Conditions Solenoid coil’s surge voltage (battery voltage +2 V) is not detected when the waste gate solenoid valve turned from ON to OFF. D Waste gate solenoid valve malfunction D Engine-ECU malfunction OK NG Replace the engine-ECU. OK Intermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) MUT-II Actuator Test No. 12: Waste gate solenoid valve OK: Operation sound is heard, and there is vibration. OK NG Repair OK NG Intermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) OK Check the following connector: B-36 MUT-II Actuator Test No. 12: Waste gate solenoid valve OK: Operation sound is heard, and there is vibration. NG Repair NG NG Repair OK Check the harness between the waste gate solenoid valve and engine-ECU. Check for disconnection and short-circuit of the output cable. Check the following connector: C-39 OK Check the following connector: C-126 Measure at the C-126 engine-ECU connector. Disconnect the connector to measure at the harness side. D Ignition switch: ON D Voltage between terminal No. 11 and earth OK: System voltage NG Replace the waste gate solenoid valve. Measure at the B-36 waste gate solenoid valve connector. Disconnect the connector to measure at the solenoid valve side. D Resistance between terminal No. 1 and terminal No. 2 OK: 29 - 35 Ω (at 20_C) OK NG Measure at the B-36 waste gate solenoid valve connector. Disconnect the connector to measure at the harness side. D Ignition switch: ON D Voltage between terminal No. 1 and earth OK: System voltage OK NG Repair OK OK Check and repair the harness between the waste gate solenoid valve and engine control relay. Check for disconnection and short-circuit of the power cable. Check the following connector: B-11X NG Repair Check the harness between the waste gate solenoid valve and engine control relay. Check for damage of the power cable. NG Repair OK Check the harness between the waste gate solenoid valve and engine-ECU. Check for damage of the output cable. |