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AUDIO AND VISUAL SYSTEM(w/o Parallel Parking Assist Function) Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

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DTC Code DTC Name
  Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier
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DESCRIPTION

This circuit is used when the voice switch of the steering pad switch assembly is pushed.

Using this circuit, the radio receiver assembly sends signals to the stereo component amplifier assembly.

Table 1. *a (Shielded) *b Radio Receiver Assembly *c Stereo Component Amplifier Assembly
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WIRING DIAGRAM

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PROCEDURE


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    CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)


    1. Disconnect the O69 radio receiver assembly connector.

    2. Disconnect the T21 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
      O69-2 (RL+) - T21-15 (II1+) Always Below 1 Ω
      O69-6 (RL-) - T21-14 (II1-) Always Below 1 Ω
      T21-18 (SLD1) - Body ground Always 10 kΩ or higher
      T21-15 (II1+) - Body ground Always 10 kΩ or higher
      T21-14 (II1-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR