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P0335 CKP SENSOR (POS) EC-949 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O P0335 CKP SENSOR (POS) DTC Logic INFOID:0000000012198444 DTC DETECTION LOGIC NOTE: If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. . 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. TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V with igni- tion switch ON. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and let it idle for at least 5 seconds. If engine does not start, crank engine for at least 2 seconds. 2. Check 1st trip DTC. YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000012198445 1. CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY 1. Disconnect crankshaft position (CKP) sensor (POS) harness connector. 2. Turn ignition switch ON. 3. Check the voltage between CKP sensor (POS) harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause P0335 CKP SEN/CIRCUIT • The crankshaft position sensor (POS) signal is not detected by the ECM during the first • The proper pulse signal from the crankshaft position sensor (POS) is not sent to ECM • The crankshaft position sensor (POS) signal is not in the normal pattern during engine run- • Harness or connectors [Crankshaft position sensor (POS) cir- • Crankshaft position sensor (POS) + − Voltage (Approx.) CKP sensor (POS) Connector Terminal F107 3 Ground 5 V |