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TM-64 < DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F09B] P0725 ENGINE SPEED P0725 ENGINE SPEED Description INFOID:0000000010113606 The engine speed signal is transmitted from ECM to TCM via CAN communication line. DTC Logic INFOID:0000000010113607 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. NOTE: Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF. Then wait at least 10 seconds before performing the next test. 1. CHECK DTC DETECTION With CONSULT 1. Turn ignition switch ON. 2. Select “Data Monitor” in “TRANSMISSION”. 3. Start engine and maintain the following conditions for at least 10 consecutive seconds. Is “P0725” detected? YES >> Go to NO >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . Diagnosis Procedure INFOID:0000000010113608 1. CHECK DTC WITH ECM With CONSULT 1. Turn ignition switch ON. 2. Perform “Self Diagnostic Results” in “ENGINE”. YES >> GO TO 2. NO >> Check DTC detected item. Refer to 2. CHECK DTC WITH TCM With CONSULT Perform “Self Diagnostic Results” in “TRANSMISSION”. YES >> Replace TCM. Refer to . NO >> GO TO 3. 3. DETECT MALFUNCTIONING ITEMS Check TCM connector pin terminals for damage or loose connection with harness connector. YES NO >> Repair or replace damaged parts. DTC Trouble diagnosis name DTC is detected if... Possible cause P0725 Engine Speed Input Circuit • TCM does not receive the CAN communi- cation signal from the ECM. • Engine speed is too low while driving. Harness or connectors PRI SPEED SEN : More than 1000 rpm |