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EC-1386 [YD (WITHOUT EURO-OBD)] DTC P0234 TC SYSTEM Diagnostic Procedure(YD22DDTi Engine Models) EBS014W7 1. CHECK VACUUM SOURCE 1. Turn ignition switch OFF. 2. Disconnect vacuum hose connected to turbocharger control actuator. 3. Start engine and let it idle. 4. Check vacuum hose for vacuum existence. OK or NG OK >> GO TO 8. NG >> GO TO 2. 2. CHECK VACUUM HOSES AND VACUUM GALLERY 1. Turn ignition switch OFF. 2. Check vacuum hoses and vacuum gallery for clogging, cracks EC-1263, "Vacuum Hose Drawing(YD22DDTi Engine . OK or NG OK >> GO TO 3. NG >> Repair or replace vacuum hoses and vacuum gallery. Vacuum should exist. MBIB0639E SEF109L |