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EC-1094 [YD (WITH EURO-OBD)] DTC P0234 TC SYSTEM On Board Diagnosis Logic EBS014GT This self-diagnosis has the one trip detection logic. Overall Function Check(YD22DDTi Engine Models) EBS014GU Use this procedure to check the overall function of the turbocharger. During this check, a DTC might not be 1. Start engine and let it idle. 2. Make sure that turbocharger control actuator rod moves slightly 3. If NG, go to EC-1096, "Diagnostic Procedure(YD22DDTi Engine . Overall Function Check(YD22DDT Engine Models) EBS016LG Use this procedure to check the overall function of the turbocharger. During this check, a DTC might not be 1. Connect the handy pump to the actuator, and check that the rod strokes smoothly in compliance with the 2. If NG, go to EC-1096, "Diagnostic Procedure(YD22DDTi Engine Models)" . DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0234 Turbocharger overboost ● ECM detects turbocharger boost pressure is ● ECM detects intake air flow volume is exces- ● Turbocharger ● Vacuum pump ● Turbocharger boost sensor (YD22DDTi ● Turbocharger boost control solenoid ● MAF sensor (YD22DDT engine models) MBIB0638E Standard (Pressure/rod stroke amount): 131.24 - 136.56 kPa (1,312 - 1,366 mbar, 984.4 - 1024.3 155.44 - 164.76 kPa (1,554 - 1,648 mbar, 1,166 - 1,236 |