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Steering Switch Check (Without Bluetooth)

WARNING: This page is about a different car, the 2007 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. AUDIO UNIT SELF-DIAGNOSIS MODE CHECK 
    1. Start audio unit self-diagnosis mode. Refer to "SELF-DIAGNOSIS MODE ".
    2. Operate steering switch.

    Does steering switch operate normally? 

    YES: Inspection End.

    NO: GO TO 2.

  2. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect audio unit connector M43 and spiral cable connector M30.
    3. Check continuity between audio unit connector terminal and spiral cable connector terminal.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      Terminals Continuity
      A B
      Connector Terminal Connector Terminal
      M43 6 M30 33 Yes
      15 25
      16 31
    4. Check continuity between audio unit and ground.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      Terminals Continuity
      A (-)
      Connector Terminal
      M43 6 Ground No
      15
      16
      Fig 1: Checking Continuity Between Audio Unit Connector Terminal And Spiral Cable Connector Terminal
      G04928637

    OK or NG 

    OK: GO TO 3.

    NG: Repair harness.

  3. SPIRAL CABLE CHECK 
    1. Disconnect spiral cable connector M78.
    2. Check continuity between spiral cable terminals.

      15 - 33 : Continuity should exist. 

      17 - 31 : Continuity should exist. 

      19 - 25 : Continuity should exist. 

    OK or NG 

    OK: GO TO 4.

    NG: Replace spiral cable. Refer to "REMOVAL AND INSTALLATION ".

    Fig 2: Checking Continuity Between Spiral Cable Terminals
    G04928635
  4. CHECK STEERING SWITCH RESISTANCE 

    Check resistance between spiral cable connector M102 terminals.

    CONNECTOR TERMINAL RESISTANCE SPECIFICATION

    Terminal Signal name Condition Resistance (Ω) (Approx.)
    17 19 Seek (down) Depress (station) down switch. 165
    Power Depress power switch. 0
    Volume (down) Depress volume down switch. 487
    15 19 Seek (up) Depress (station) up switch. 165
    Mode Depress mode switch. 0
    Volume (up) Depress volume up switch. 487

    OK or NG 

    OK: Inspection End.

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

    Fig 3: Checking Resistance Between Spiral Cable Connector M102 Terminals
    G04928636