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Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

  1. CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE 
    1. Disconnect combination switch connector M102.
    2. Check resistance between combination switch connector terminals.
      Combination switch connector M102 Condition Resistance (Ω) (Approx.)
      Terminal Terminal
      16 18 Depress VOL DOWN switch. 1
      Depress VOL UP switch. 121
      Depress "END CALL" switch. 321
      15 Depress MODE switch. 1
      Depress "UP TRIANGLE" switch. 121
      Depress "DOWN TRIANGLE" switch. 321
      Depress "PHONE/HANDSFREE" switch. 723

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Replace steering wheel audio control switches. Refer to "REMOVAL AND INSTALLATION ".

  2. CHECK HARNESS BETWEEN AV CONTROL UNIT AND COMBINATION SWITCH 
    1. Turn ignition switch OFF.
    2. Disconnect AV control unit connector M96 and combination switch connector M30.
    3. Check continuity between AV control unit connector M96 and combination switch connector M30.
      AV control unit Combination switch Continuity
      Connector Terminal Connector Terminal
      M96 6 M30 24 Yes
      16 25
      15 31
    4. Check continuity between AV control unit connector M96 and ground.
      AV control unit - Continuity
      Connector Terminal
      M96 6 Ground No
      16
      15

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness or connectors.

  3. SPIRAL CABLE CHECK 

    Check continuity between combination switch connectors M30 and M102.

    Combination switch Continuity
    Connector Terminal Connector Terminal
    M30 24 M102 15 Yes
    25 16
    31 18

    Is the inspection result normal? 

    YES: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".

    NO: Replace spiral cable. Refer to "REMOVAL AND INSTALLATION ".