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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 218 (Driver Information System) >> Vehicle Information And Integrated Switch System/With Navigation System >> Power Supply And Ground Circuit Check For Av And NAVI Control Unit >> 3. Check Ground Circuit

3. Check Ground Circuit

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Disconnect AV and NAVI control unit connector.
  3. Check continuity between AV and NAVI control unit harness connector B30 terminals 1 (B), 4 (B) and ground.
    Fig 1: Checking Ground Circuit
    G00395988Courtesy of NISSAN MOTOR CO., U.S.A.

    1, 4 - Ground: Continuity should exist. 

OK or NG

  1. OK: INSPECTION END
  2. NG: Repair harness or connector.
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