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P0235 TC BOOST SENSOR EC-329 < DTC/CIRCUIT DIAGNOSIS > [MR FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O P0235 TC BOOST SENSOR DTC Logic INFOID:0000000012197875 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 5 seconds. 2. Check 1st trip DTC. YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000012197876 1. CHECK TURBOCHARGER BOOST SENSOR POWER SUPPLY 1. Disconnect turbocharger boost sensor harness connector. 2. Turn ignition switch ON. 3. Check the voltage between turbocharger boost sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK SENSOR POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness connector for short to power and short to ground, between the following terminals. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0235 TURBO BOOST SENSOR An excessively low voltage from the • Harness or connectors (Turbocharger boost sensor circuit is • Turbocharger boost sensor + − Voltage (Approx.) Turbocharger boost sensor Connector Terminal F75 1 Ground 5 V |