TELEMATICS SYSTEM(for G-BOOK) Emergency Call Switch Indicator Circuit

WIRING DIAGRAM

B004A60E07
*1 Telephone Transceiver Assembly
*2 Map Light Sub-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 (TELEPHONE TRANSCEIVER ASSEMBLY - MAP LIGHT SUB-ASSEMBLY)


    1. Disconnect the P134 telephone transceiver assembly connector.

    2. Disconnect the Z3 map light sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P134-11 (IND1) - Z3-8 (IND1) Always Below 1 Ω
      P134-12 (IND2) - Z3-9 (IND2) Always Below 1 Ω
      P134-26 (SIG-) - Z3-10 (GND3) Always Below 1 Ω
      P134-11 (IND1) - Body ground Always 10 kΩ or higher
      P134-12 (IND2) - Body ground Always 10 kΩ or higher
      P134-26 (SIG-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT MAP LIGHT SUB-ASSEMBLY


    1. B004BEZE03

      Remove the map light sub-assembly.

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    2. Connect 2 1.5 V dry-cell batteries in series.

    3. Connect a positive (+) lead from the batteries to terminal 8 (IND1) or 9 (IND2), and a negative (-) lead to terminal 10 (GND3) of the map light sub-assembly connector.

    4. Check if the illumination for the emergency call switch comes on.

      OK
      The red indicator light on the emergency call switch comes on when the positive (+) lead from the batteries is connected to terminal 8 (IND1) and the negative (-) lead is connected to terminal 10 (GND3).
      The green indicator light on the emergency call switch comes on when the positive (+) lead from the batteries is connected to terminal 9 (IND2) and the negative (-) lead is connected to terminal 10 (GND3).
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TELEPHONE TRANSCEIVER ASSEMBLY Click here

    NG

    REPLACE MAP LIGHT SUB-ASSEMBLY Click here