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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System >> Without Mobile Entertainment System >> Component Diagnosis >> RGB (B: Blue) Signal Circuit (Av Control Unit To Front Display Unit) >> Without Navigation >> WITHOUT NAVIGATION : Diagnosis Procedure
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WITHOUT NAVIGATION : Diagnosis Procedure

  1. CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front display unit connector and AV control unit connector.
    3. Check continuity between front display unit harness connector terminal 18 and AV control unit harness connector terminal 38.

      18 - 38 : Continuity should exist  .

    4. Check continuity between front display unit harness connector terminal 18 and ground.

    18 - Ground : Continuity should not exist  .

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair harness or connector.

  2. CHECK RGB (B: BLUE) SIGNAL
    1. Connect front display unit connector and AV control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between front display unit harness connector terminal 18 and ground.
    TERMINAL VALUE REFERENCE

    Terminal Condition Reference value
    18 - Ground Ignition switch ON Start confirmation/adjustment mode, and then display color bar by selecting "Color Spectrum Bar" on DISPLAY DIAGNOSIS screen.
    G05219860Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: Replace front display unit.

    NO: Replace AV control unit.

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