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Home >> Infiniti >> 2008 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VK45DE) - DTCS P1550 Through P2A03 >> DTC P1715 Input Speed Sensor (Turbine Revolution Sensor) >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK DTC WITH TCM 

    Check DTC with TCM. Refer to "ON BOARD DIAGNOSTIC (OBD) SYSTEM ".

    OK or NG 

    OK: GO TO  2.

    NG: Perform trouble shooting relevant to DTC indicated.

  2. REPLACE TCM 

    Replace TCM. Refer to "TROUBLE DIAGNOSIS ".

    >> INSPECTION END 

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