NAVIGATION SYSTEM (for Navigation Receiver 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 navigation receiver assembly sends signals to the stereo component amplifier assembly.

WIRING DIAGRAM

A01EKSQE16

INSPECTION PROCEDURE

PROCEDURE


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


    1. Disconnect the E39 navigation receiver assembly connector.

    2. Disconnect the E14 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
      E39-2 (RL+) - E14-15 (II1+) Always Below 1 Ω
      E39-6 (RL-) - E14-14 (II1-) Always Below 1 Ω
      E14-18 (SLD1) - Body ground Always 10 kΩ or higher
      E39-2 (RL+) - Body ground Always 10 kΩ or higher
      E39-6 (RL-) - 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