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DTC P1722 ESTM VEHICLE SPEED SIGNAL CVT-157 D E F G H I J K L M A B CVT Revision: 2006 July 2007 Murano Diagnostic Procedure NCS0017K 1. CHECK CAN COMMUNICATION LINE Perform the self-diagnosis check. Refer to CVT-61, "SELF-DIAGNOSTIC RESULT MODE" . Is any malfunction of the “U1000 CAN COMM CIRCUIT” indicated? YES >> Check CAN communication line. Refer to CVT-68, "DTC U1000 CAN COMMUNICATION LINE" NO >> GO TO 2. 2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) Perform ABS actuator and electric unit (control unit) self-diagnosis check. Refer to (ABS models) or (VDC/TCS/ABS models). OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts. 3. CHECK INPUT SIGNALS With CONSULT-II 1. Start engine. 2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode 3. Drive vehicle and read out the value of “VEHICLE SPEED” and 4. Check if there is a great difference between the two values. OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. CHECK TCM Check TCM input/output signals. Refer to CVT-53, "TCM Input/Output Signal Reference Values" OK or NG OK >> GO TO 5. NG >> Repair or replace damaged parts. 5. CHECK DTC Perform CVT-156, "DTC Confirmation Procedure" OK or NG OK >> INSPECTION END NG >> GO TO 2. Item name Condition Display value ESTM VSP SIG During driving Approximately matches VEHICLE SPEED SCIA4510E |