NAVIGATION SYSTEM Navigation Voice Circuit

DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on.

WIRING DIAGRAM

A0160BKE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)


    1. A01633EE03

      Disconnect the multi-display connector and the navigation ECU connector.

    2. A0161Y3E04

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      p2-8 (VOI-) - p1-10 (SI-) Always Below 1 Ω
      p2-9 (VOI+) - p1-11 (SI+) Always Below 1 Ω
      p2-8 (VOI-) - Body ground Always 10 kΩ or higher
      p2-9 (VOI+) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)


    1. A0162ELE02

      Disconnect the multi-display connector and stereo component amplifier connector.

    2. A0163BKE05

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J51-22 (IVO+) - P30-15 (II1+) Always Below 1 Ω
      J51-21 (IVO-) - P30-14 (II1-) Always Below 1 Ω
      J51-22 (IVO+) - Body ground Always 10 kΩ or higher
      J51-21 (IVO-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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