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DTC P0234 TC SYSTEM EC-1387 [YD (WITHOUT EURO-OBD)] C D E F G H I J K L M A EC 3. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect turbocharger boost control solenoid valve harness 3. Turn ignition switch ON. 4. Check voltage between turbocharger boost control solenoid OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors F45, M71 ● Harness for open or short between ECM relay and turbocharger boost control solenoid valve >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between ECM terminals 6 and turbocharger boost control solenoid valve termi- 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 6. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 6. CHECK TURBOCHARGE BOOST CONTROL SOLENOID VALVE Refer to EC-1390, "Component Inspection" . OK or NG OK >> GO TO 7. NG >> Replace turbocharger boost control solenoid valve. MBIB0921E Voltage: Battery voltage MBIB0010E Continuity should exist. |