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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2018 (Audio, Visual, Navigation & Telephone System) >> Audio >> Steering Switch Check (Without NAVI)

Steering Switch Check (Without NAVI)

WARNING: This page is about a different car, the 2007 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.
      TERMINAL CONTINUITY CHART

      Terminals Continuity
      Spiral cable Audio unit
      Connector Terminal Connector Terminal
      A: M30 24 B: M45 69 Yes
      25 70
      26 71
    4. Check continuity between audio unit and ground.
      TERMINAL CONTINUITY CHART

      Terminals Continuity
      Audio unit -
      Connector Terminal
      B: M45 69 Ground No
      70
      71
      Fig 1: Checking Continuity Between Audio Unit And Ground
      G04914225

    OK or NG 

    OK: GO TO 2.

    NG: Repair harness.

  2. SPIRAL CABLE CHECK 
    1. Disconnect spiral cable connector M102.
    2. Check continuity between spiral cable harness connector terminals.
      TERMINAL CONTINUITY CHART

      Terminals Continuity
      Spiral cable
      Connector Terminal Connector Terminal
      A: M30 24 B: M102 20 Yes
      25 19
      26 18
      Fig 2: Checking Continuity Between Spiral Cable Harness Connector Terminals
      G04896758

    OK or NG 

    OK: GO TO 3.

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

  3. CHECK STEERING SWITCH RESISTANCE 

    Check resistance between steering switch terminals.

    TERMINAL RESISTANCE CHART

    Terminal Signal name Condition Resistance (Ω) (Approx.)
    19 18 Seek (down) Depress (station) down switch. 165
    Power Depress power switch. 0
    Volume (down) Depress volume down switch. 652
    20 18 Seek (up) Depress (station) up switch. 165
    Mode Depress mode switch. 0
    Volume (up) Depress volume up switch. 652
    Fig 3: Checking Resistance Between Steering Switch Terminals
    G04896759

    OK or NG 

    OK: Inspection End.

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