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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual, Navigation & Telephone System >> Navigation System >> Ignition Signal Check for Display Control Unit

Ignition Signal Check for Display Control Unit

  1. CHECK IGNITION SIGNAL 
    1. Disconnect display control unit connector M94.
    2. Turn ignition switch ON.
    3. Check voltage between display control unit harness connector M94 terminal 12 and ground.

      Battery voltage should exist. 

      Fig 1: Checking Voltage Between Display Control Unit Connector M94 Terminal 12 (G) And Ground
      G04904285

    OK or NG 

    OK: Replace display control unit. Refer to "DISPLAY CONTROL UNIT ".

    NG: Check harness for open or short between display control unit and fuse.