NAVIGATION SYSTEM Microphone Circuit between Microphone and Navigation Receiver Assembly

DESCRIPTION


WIRING DIAGRAM

A00096SE01

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precautions for Navigation System Click here.

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Model Proceed to
      w/o Telematics Transceiver A
      w/ Telematics Transceiver B

    B

    CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)) Click here

    A

  2. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY))


    1. Disconnect the H97 multi-media module receiver assembly connector.

    2. Disconnect the T11 roof console box assembly (telephone microphone assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-29 (MACC) - T11-4 (MACC) Always Below 1 Ω
      H97-27 (MIN+) - T11-3 (MCO+) Always Below 1 Ω
      H97-48 (MIN-) - T11-2 (MCO-) Always Below 1 Ω
      H97-49 (SNS2) - T11-1 (SNS2) Always Below 1 Ω
      H97-29 (MACC) - Body ground Always 10 kΩ or higher
      H97-27 (MIN+) - Body ground Always 10 kΩ or higher
      H97-48 (MIN-) - Body ground Always 10 kΩ or higher
      H97-28 (SGND) - Body ground Always 10 kΩ or higher
      H97-49 (SNS2) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. Reconnect the H97 multi-media module receiver assembly connector.

    2. Reconnect the T11 roof console box assembly (telephone microphone assembly) connector.

    3. A000450E01
      Text in Illustration
      *a

      Component with harness connected

      (Multi-media Module Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H97-29 (MACC) - Body ground Power switch on (ACC) 4 to 6 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-28 (SGND) - Body ground Always Below 1 Ω
      H97-48 (MIN-) - Body ground Always Below 1 Ω

    5. Proceed to the next step based on the inspection result.

      Result
      Result Proceed to
      NG A
      OK B

    A

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    B

    INSPECT ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY) Click here

  4. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY))


    1. Disconnect the H97 multi-media module receiver assembly connector.

    2. Disconnect the T11 roof console box assembly (telephone microphone assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-49 (SNS2) - T11-1 (SNS2) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - TELEMATICS TRANSCEIVER)


    1. Disconnect the H97 multi-media module receiver assembly connector.

    2. Disconnect the H101 telematics transceiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-27 (MIN+) - H101-18 (MCO+) Always Below 1 Ω
      H97-48 (MIN-) - H101-19 (MCO-) Always Below 1 Ω
      H97-27 (MIN+) - Body ground Always 10 kΩ or higher
      H97-48 (MIN-) - Body ground Always 10 kΩ or higher
      H97-28 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY))


    1. Disconnect the H101 telematics transceiver connector.

    2. Disconnect the T11 roof console box assembly (telephone microphone assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H101-33 (MCVD) - T11-4 (MACC) Always Below 1 Ω
      H101-34 (MCI+) - T11-3 (MCO+) Always Below 1 Ω
      H101-35 (MCI-) - T11-2 (MCO-) Always Below 1 Ω
      H101-33 (MCVD) - Body ground Always 10 kΩ or higher
      H101-34 (MCI+) - Body ground Always 10 kΩ or higher
      H101-35 (MCI-) - Body ground Always 10 kΩ or higher
      H101-32 (SGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. Disconnect the H101 telematics transceiver connector.

    2. A0008DJE01
      Text in Illustration
      *a

      Component with harness connected

      (Multi-media Module Receiver Assembly)

      Reconnect the H97 multi-media module receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H97-28 (SGND) - Body ground Always Below 1 Ω
      H97-48 (MIN-) - Body ground Always Below 1 Ω

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

  8. INSPECT TELEMATICS TRANSCEIVER


    1. Reconnect the H101 telematics transceiver connector.

    2. A00040SE01
      Text in Illustration
      *a

      Component with harness connected

      (Telematics Transceiver)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H101-33 (MCVD) - Body ground Power switch on (ACC) 4 to 6 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H101-35 (MCI-) - Body ground Always Below 1 Ω
      H101-32 (SGND) - Body ground Always Below 1 Ω

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

    OK

  9. INSPECT ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)


    1. Disconnect the T11 roof console box assembly (telephone microphone assembly) connector.

    2. A0005IDE02
      Text in Illustration
      *a

      Component without harness connected

      (Roof Console Box Assembly (Telephone Microphone Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T11-2 (MCO-) - T11-1 (SNS2) Always Below 1 Ω

    NG

    REPLACE TELEPHONE MICROPHONE ASSEMBLY Click here

    OK

  10. INSPECT ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)


    1. Reconnect the H97 multi-media module receiver assembly connector.

    2. Reconnect the H101 telematics transceiver connector (w/ Telematics Transceiver).

    3. A0005XUE01
      Text in Illustration
      *a

      Component with harness connected

      (Roof Console Box Assembly (Telephone Microphone Assembly))

      Reconnect the T11 roof console box assembly (telephone microphone assembly) connector.

    4. Turn the power switch on (ACC).

    5. Connect an oscilloscope to terminals 3 (MCO+) and 2 (MCO-) of the T11 roof console box assembly (telephone microphone assembly) connector.

    6. Check the waveform of the telephone microphone assembly using the oscilloscope.

      Result
      Result Proceed to
      A waveform synchronized with the voice input to the roof console box assembly (telephone microphone assembly) is output A
      A waveform synchronized with the voice input to the roof console box assembly (telephone microphone assembly) is not output B

    A

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

    B

  11. REPLACE TELEPHONE MICROPHONE ASSEMBLY


    1. Replace the telephone microphone assembly Click here.

    2. Check if the same malfunction recurs.

      Result
      Result Proceed to

      Malfunction does not recur

      (returns to normal)

      		 A
      Malfunction recurs B

    A

    END

    B

    REPLACE ROOF CONSOLE BOX ASSEMBLY Click here