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DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) CVT-117 D E F G H I J K L M A B CVT Revision: 2005 August 2005 Murano Diagnostic Procedure ACS001UL 1. CHECK INPUT SIGNALS With CONSULT-II 1. Start engine. 2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for 3. Start vehicle. 4. Check if there is a great difference between “ENG SPEED SIG” OK or NG OK >> GO TO 5. NG >> GO TO 2. 2. CHECK LINE PRESSURE Perform line pressure test. Refer to . OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts. Refer to "Judgement of Line Pressure Test" . 3. DETECT MALFUNCTIONING ITEM Check the following: ● Torque converter clutch solenoid valve. Refer to CVT-115, "Component Inspection" ● Lock-up select solenoid valve. Refer to CVT-173, "Component Inspection" OK or NG OK >> GO TO 4. NG >> Repair or replace damaged parts. 4. CHECK SECONDARY SPEED SENSOR SYSTEM AND PRIMARY SPEED SENSOR SYSTEM Check output speed sensor (secondary speed sensor) system and input speed sensor (primary speed sensor) CVT-101, "DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)" , CVT-96, "DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)" . OK or NG OK >> GO TO 5. NG >> Repair or replace damaged parts. Monitor item Condition Display value ENG SPEED SIG Engine running Closely matches the PRI SPEED SEN During driving (lock-up ON) Approximately matches SCIA2279E SAT494G |