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Steering Switch Check (Without NAVI)

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect audio unit connector M45 and spiral cable connector M30.
    3. Check continuity between spiral cable harness connector terminal and audio unit harness connector terminal.
      CONNECTOR TERMINAL CONTINUITY REFERENCE (1 OF 3)

      Terminals Continuity
      Spiral cable Audio unit
      Connector Terminal Connector Terminal
      M30 31 M45 75 Yes
      32 76
      34 74
    4. Check continuity between audio unit and ground.
      CONNECTOR TERMINAL CONTINUITY REFERENCE (2 OF 3)

      Terminals Continuity
      Audio unit -
      Connector Terminal
      M45 75 Ground No
      76
      74

      OK or NG 

      OK: GO TO 2.

      NG: Repair harness.

      Fig 1: Checking Continuity Between Audio Unit And Ground
      G04177663Courtesy of NISSAN MOTOR CO., U.S.A.
  2. SPIRAL CABLE CHECK 
    1. Disconnect spiral cable connector M102.
    2. Check continuity between spiral cable harness connector terminals.
    CONNECTOR TERMINAL CONTINUITY REFERENCE (3 OF 3)

    Terminals Continuity
    Spiral cable
    Connector Terminal Connector Terminal
    M30 31 M102 18 Yes
    32 16
    34 14

    OK or NG 

    OK: GO TO 3.

    NG: Replace spiral cable. Refer to "SPIRAL CABLE "

    Fig 2: Checking Continuity Between Spiral Cable Harness Connector Terminals
    G04177664Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK STEERING SWITCH RESISTANCE 

    Check resistance between steering switch terminals.

    CONNECTOR TERMINAL RESISTANCE SPECIFICATIONS

    Terminal Signal name Condition Resistance (Ω) (Approx.)
    18 16 Seek (down) Depress (station) down switch. 165
    Power Depress power switch. 0
    Volume (down) Depress volume down switch. 652
    14 16 Seek (up) Depress (station) up switch. 165
    Mode Depress mode switch. 0
    Volume (up) Depress volume up switch. 652

    OK or NG 

    OK: Inspection End.

    NG: Replace steering switch. Refer to , "STEERING WHEEL AUDIO CONTROL SWITCHES "

    Fig 3: Checking Resistance Between Steering Switch Terminals
    G04177665Courtesy of NISSAN MOTOR CO., U.S.A.