NAVIGATION SYSTEM Navigation Voice Circuit

DESCRIPTION

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

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

WIRING DIAGRAM

A01HU8EE07

INSPECTION PROCEDURE

PROCEDURE


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


    1. Disconnect the I73 navigation receiver assembly connector.

    2. Disconnect the I69 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
      I73-2 (RL+) - I69-15 (II1+) Always Below 1 Ω
      I73-6 (RL-) - I69-14 (II1-) Always Below 1 Ω
      I69-15 (II1+) - Body ground Always 10 kΩ or higher
      I69-14 (II1-) - Body ground Always 10 kΩ or higher
      I69-18 (SLD1) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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