TELEMATICS SYSTEM(for G-BOOK) Received Voice Signal Circuit

WIRING DIAGRAM

B004BXXE11
*a Radio Receiver Assembly
*b Telephone Transceiver Assembly

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 Precaution for G-BOOK.

    Click here

  • When replacing the telephone transceiver assembly, make sure to replace it with a new one.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - TELEPHONE TRANSCEIVER ASSEMBLY)


    1. Disconnect the P45 radio receiver assembly connector.

    2. Disconnect the P136 telephone transceiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P45-13 (VOR+) - P136-2 (VOT+) Always Below 1 Ω
      P45-14 (VOR-) - P136-7 (VOT-) Always Below 1 Ω
      P45-13 (VOR+) - Body ground Always 10 kΩ or higher
      P45-14 (VOR-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK TELEPHONE TRANSCEIVER ASSEMBLY


    1. Remove the telephone transceiver assembly with the connectors still connected.

    2. B004CKOC31
      *a

      Component with harness connected

      (Telephone Transceiver Assembly)

      Check for pulses according to the value(s) in the table below.

      Standard
      Tester Connection Condition Specified Condition
      P136-2 (VOT+) - Body ground Calling while using the operator service A waveform synchronized with the sent voice is output
      P136-7 (VOT-) - Body ground Calling while using the operator service A waveform synchronized with the sent voice is output
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPLACE TELEPHONE TRANSCEIVER ASSEMBLY Click here