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EC-1098 [YD (WITH EURO-OBD)] DTC P0234 TC SYSTEM 7. CHECK VACUUM PUMP Refer to . OK or NG OK >> GO TO 8. NG >> Replace vacuum pump assembly. 8. CHECK TURBOCHARGER BOOST CONTROL ACTUATOR 1. Turn ignition switch OFF. 2. Install a vacuum pump to turbocharger boost control actuator. 3. Make sure that the turbocharger boost control actuator rod OK or NG OK >> GO TO 9. NG >> Replace turbocharger assembly. 9. CHECK TURBOCHARGER BOOST SENSOR Refer to EC-1105, "Component Inspection" . OK or NG OK >> GO TO 10. NG >> Replace turbocharger boost sensor. 10. CHECK INTERMITTENT INCIDENT Refer to EC-1002, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" . >> INSPECTION END Diagnostic Procedure(YD22DDT Engine Models) EBS016LH 1. CHECK HOSE AIR LEAKAGE 1. Turn ignition switch OFF. 2. Disconnect hose connected to wastegate valve actuator. 3. Start engine and lit it idle. 4. Check hose for air breathed out OK or NG OK >> GO TO 3. NG >> GO TO 2. MBIB0640E Air should be breathed out. MBIB1011E |