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TC BOOST CONTROL SOLENOID VALVE EC-629 [YD (WITHOUT EURO-OBD)] C D E F G H I J K L M A EC Diagnostic Procedure EBS015CT 1. CHECK OVERALL FUNCTION 1. Start engine and let it idle. 2. Make sure that turbocharger control actuator rod moves slightly OK or NG OK >> INSPECTION END NG >> GO TO 2. 2. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT 1. Disconnect turbocharger boost control solenoid valve harness 2. Turn ignition switch ON. 3. Check voltage between turbocharger boost control solenoid OK or NG OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 3. 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 terminal 6 and turbocharger boost control solenoid valve terminal 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors. MBIB1024E MBIB0921E Voltage: Battery voltage MBIB1101E Continuity should exist. |