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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Audio, Visual & Navigation System) >> Without Mobile Entertainment System >> Component Diagnosis >> Control Signal Circuit >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CONTINUITY CONTROL SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect TEL adapter unit connector.
    3. Check continuity between TEL adapter unit harness connector terminals 21, 23, 24 and ground.

      21, 23, 24 - Ground: Continuity should exist. 

    Is the inspection result normal? 

    Yes: Replace TEL adapter unit.

    No: Repair harness or connector.