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P1715 INPUT SPEED SENSOR (PRIMARY SPEED SENSOR) EC-909 < COMPONENT DIAGNOSIS > [QR25DE EXCEPT FOR CALIFORNIA] C D E F G H I J K L M A EC N P O P1715 INPUT SPEED SENSOR (PRIMARY SPEED SENSOR) Description INFOID:0000000004349885 ECM receives primary speed sensor signal from TCM through CAN communication line. ECM uses this signal for engine control. DTC Logic INFOID:0000000004349886 DTC DETECTION LOGIC NOTE: • If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC U1000,XXXX. • If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer . • If DTC P1715 is displayed with DTC P0340, first perform the trouble diagnosis for DTC P0340. Refer . • If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer . • If DTC P1715 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer . DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and drive the vehicle at more than 50 km/h (31 MPH) for at least 5 seconds. CAUTION: Always drive vehicle at a safe speed. 2. Check 1st trip DTC. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000004349887 1. CHECK DTC WITH TCM Check DTC with TCM. Refer to TM-296, "Diagnosis Description" Is the inspection result normal? YES >> GO TO 2. NO >> Perform trouble shooting relevant to DTC indicated. 2. REPLACE TCM Replace TCM. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1715 Input speed sensor Primary speed sensor signal is different • Harness or connectors (The CAN communication line is open or short- • Harness or connectors (Primary speed sensor circuit is open or short- • TCM |