NAVIGATION SYSTEM (for Radio and Display Type) Navigation Voice Circuit

DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on or an incoming cellular phone voice in the "Bluetooth" hands-free system is heard.

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

WIRING DIAGRAM

A01DUHVE06

INSPECTION PROCEDURE

PROCEDURE


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


    1. Disconnect the H48 radio and display receiver assembly connector.

    2. Disconnect the H63 stereo component amplifier connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H63-15 (II1+) - H48-2 (RL+) Always Below 1 Ω
      H63-14 (II1-) - H48-6 (RL-) Always Below 1 Ω
      H63-15 (II1+) - Body ground Always 10 kΩ or higher
      H63-14 (II1-) - Body ground Always 10 kΩ or higher
      H63-18 (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