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Steering Wheel Audio Control Switch Check a

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. AV SWITCH SELF-DIAGNOSIS FUNCTION CHECK 
    1. Start AV switch self-diagnosis function. Refer to "AV SWITCH SELF-DIAGNOSIS FUNCTION  ".
    2. Operate steering wheel audio control switch.

    Does steering wheel audio control switch operate normally?

    1. OK: INSPECTION END.
    2. NG: GO TO 2.
  2. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect AV switch connector and spiral cable connector.
    3. Check continuity between spiral cable harness connector terminals and AV switch harness connector terminals.
      SPIRAL CABLE HARNESS AND AV SWITCH TERMINALS CONTINUITY SPECIFICATIONS

      Terminals Continuity
      Spiral cable AV switch
      Connector Terminal Connector Terminal (Wire color)
      M30 32 (G) M98 13 (G) Yes
      31 (B/R) 14 (B/R)
      24(R/W) 12 (R/W)
    4. Check continuity between AV switch and ground.
    AV SWITCH AND GROUND TERMINALS CONTINUITY SPECIFICATIONS

    Terminals Continuity
    AV switch (+) (-)
    Connector Terminal (Wire color)
    M98 12 (R/W) Ground No
    13 (G)
    14 (B/R)

    OK or NG

    1. OK: GO TO 2.
    2. NG: Repair harness.
      Fig 1: Checking Continuity Between AV Switch & Ground
      G03496276Courtesy of NISSAN MOTOR CO., U.S.A.
  3. SPIRAL CABLE CHECK 

    Check spiral cable harness.

    OK or NG

    1. OK: GO TO 4.
    2. NG: Replace spiral cable. Refer to SPIRAL CABLE .
  4. CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE 

    Check resistance steering wheel audio control switch terminals.

    RESISTANCE TERMINALS SPECIFICATION CHART

    Terminal Signal name Condition Resistance (ohm) (Approx.)
    (+) (-)
    16 17 Seek (down) Depress (station) down switch. 165
    Power Depress power switch. 0
    Volume (down) Depress volume down switch. 487
    20 17 Seek (up) Depress (station) up switch. 165
    Mode Depress mode switch. 0
    Volume (up) Depress volume up switch. 487
    Fig 2: Checking Resistance Steering Wheel Audio Control Switch Terminals
    G03496277Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

  1. OK: Replace AV switch. Refer to REMOVAL AND INSTALLATION FOR AV SWITCH .
  2. NG: Replace steering wheel audio control switch. Refer to REMOVAL AND INSTALLATION OF STEERING WHEEL AU . .

Removal and Installation of Display Unit 

Refer to CENTER STACK ASSEMBLY .

Removal and Installation of AV Switch 

Refer to REMOVAL AND INSTALLATION FOR AV SWITCH .