NAVIGATION SYSTEM (for DVD) Microphone Circuit between Microphone and Navigation Receiver Assembly

DESCRIPTION

This circuit sends a microphone signal from the telephone microphone assembly to the navigation receiver assembly.

It also supplies power from the navigation receiver assembly to the telephone microphone assembly.

WIRING DIAGRAM

A017E6YE01

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT NAVIGATION RECEIVER ASSEMBLY


    1. A017BZYE34
      Text in Illustration
      *a

      Component with harness connected

      (Navigation Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E3-17 (MACC) - Body ground Ignition switch ACC 4 to 6 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E3-18 (SGND) - Body ground Always Below 1 Ω
      E3-20 (MIN-) - Body ground Always Below 1 Ω

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY)


    1. Disconnect the E3 navigation receiver assembly connector.

    2. Disconnect the Q15 telephone microphone assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E3-5 (SNS2) - Q15-4 (SNS2) Always Below 1 Ω
      E3-17 (MACC) - Q15-1 (MACC) Always Below 1 Ω
      E3-19 (MIN+) - Q15-3 (MIC+) Always Below 1 Ω
      E3-20 (MIN-) - Q15-5 (MIC-) Always Below 1 Ω
      E3-5 (SNS2) - Body ground Always 10 kΩ or higher
      E3-17 (MACC) - Body ground Always 10 kΩ or higher
      E3-19 (MIN+) - Body ground Always 10 kΩ or higher
      E3-20 (MIN-) - Body ground Always 10 kΩ or higher
      E3-18 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT TELEPHONE MICROPHONE ASSEMBLY


    1. A017E9RE13
      Text in Illustration
      *a

      Component without harness connected

      (Telephone Microphone Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q15-4 (SNS2) - Q15-5 (MIC-) Always Below 1 Ω

    NG

    REPLACE TELEPHONE MICROPHONE ASSEMBLY Click here

    OK

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