ACTIVE NOISE CONTROL SYSTEM Input / Output Signal Circuit

DESCRIPTION

The stereo component equalizer assembly uses this circuit to send and receive signals to and from the stereo component assembly.

WIRING DIAGRAM

B005QJ8E07

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT EQUALIZER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)


    1. Disconnect the L7 stereo component equalizer assembly connector.

    2. Disconnect the L53 stereo component amplifier assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L7-12 (CH1+) - L53-8 (AN1+) Always Below 1 Ω
      L7-26 (CH1-) - L53-16 (AN1-) Always Below 1 Ω
      L7-11 (CH2+) - L53-7 (AN2+) Always Below 1 Ω
      L7-25 (CH2-) - L53-15 (AN2-) Always Below 1 Ω
      L7-10 (CH3+) - L53-6 (AN3+) Always Below 1 Ω
      L7-24 (CH3-) - L53-14 (AN3-) Always Below 1 Ω
      L7-23 (ASG1) - Body ground Always Below 1 Ω
      L7-17 (ACNT) - L53-3 (ACNT) Always Below 1 Ω
      L7-12 (CH1+) - Body ground Always 10 kΩ or higher
      L7-26 (CH1-) - Body ground Always 10 kΩ or higher
      L7-11 (CH2+) - Body ground Always 10 kΩ or higher
      L7-25 (CH2-) - Body ground Always 10 kΩ or higher
      L7-10 (CH3+) - Body ground Always 10 kΩ or higher
      L7-24 (CH3-) - Body ground Always 10 kΩ or higher
      L7-17 (ACNT) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR