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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Driver Information System) >> Vehicle Information And Integrated Switch System/Without Navigation System >> Power Supply And Ground Circuit Inspection For Av 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. Check continuity between AV control unit harness connector M78 terminals 1 (B), 4 (B) and ground.
Fig 1: Checking Ground Circuit
G00394148Courtesy of NISSAN MOTOR CO., U.S.A.

Continuity should exist. 

OK or NG

  1. OK: Inspection end.
  2. NG: Repair harness or connector.