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P2263 TC SYSTEM EC-537 < DTC/CIRCUIT DIAGNOSIS > [MR FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O P2263 TC SYSTEM DTC Logic INFOID:0000000012198082 DTC DETECTION LOGIC NOTE: If DTC P2263 is displayed with DTC P0237 or P0238, first perform the trouble diagnosis for DTC P0237 or DTC CONFIRMATION PROCEDURE 1. PERFORM COMPONENT FUNCTION CHECK Perform component function check. Refer to EC-537, "Component Function Check" . NOTE: Use component function check to check the overall function of the turbocharger system circuit. During this check, a 1st trip DTC might not be confirmed. YES >> INSPECTION END NO >> Proceed to . Component Function Check INFOID:0000000012198083 1. PERFORM COMPONENT FUNCTION CHECK-I Check the following: • Disconnection of air duct or hose between electric throttle control actuator and compressor wheel. • Exhaust gas leaks of exhaust manifold • Open stuck of recirculation valve • Stuck of turbocharger YES >> GO TO 2. NO >> Proceed to . 2. PERFORM COMPONENT FUNCTION CHECK-II 1. Turn ignition switch OFF. 2. Disconnect turbocharger boost control solenoid valve harness connector. 3. Disconnect of hose between turbocharger boost control solenoid valve and compressor outlet pipe. 4. Install pressure pump to turbocharger boost control solenoid valve. DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause P2263 TC SYSTEM-B1 In spite of the boosting area, the boost does • Intake air leaks valve • Recirculation valve assembly • Boost control actuator |