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P1715 INPUT SPEED SENSOR EC-807 < COMPONENT DIAGNOSIS > [VQ40DE] C D E F G H I J K L M A EC N P O P1715 INPUT SPEED SENSOR Description INFOID:0000000005273811 ECM receives input speed sensor signal from TCM through CAN communication line. ECM uses this signal for On Board Diagnosis Logic INFOID:0000000005273812 NOTE: EC-757, "On Board Diagnosis Logic" . • If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer EC-667, "Component Description" • If DTC P1715 is displayed with DTC P0340, P0345 first perform the trouble diagnosis for DTC P0340, P0345. Refer to EC-671, "Component Description" . • If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer EC-755, "Component Description" The MIL will not illuminates for this diagnosis. Diagnosis Procedure INFOID:0000000005273813 1. CHECK DTC WITH TCM Check DTC with TCM. Refer to TM-149, "OBD-II Diagnostic Trouble Code (DTC)" . OK or NG OK >> GO TO 2. NG >> Perform trouble shooting relevant to DTC indicated. 2. REPLACE TCM Replace TCM. >> INSPECTION END DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1715 Input speed sensor Input speed sensor signal is different from • Harness or connectors (The CAN communication line is open or short- • Harness or connectors (Input speed sensor circuit is open or shorted) • TCM |