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

WIRING DIAGRAM

B004AP9E08
*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.

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  • 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
      P134-9 (SLED) - Z3-7 (RRID) Always Below 1 Ω
      P134-26 (SIG-) - Z3-10 (GND3) Always Below 1 Ω
      P134-9 (SLED) - 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. B004BEZE04

      Remove the map light sub-assembly.

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    2. Connect 4 1.5 V dry-cell batteries in series.

    3. Connect a positive lead from the batteries to terminal 7 (RRID), 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
      Illumination for the emergency call switch comes on.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TELEPHONE TRANSCEIVER ASSEMBLY Click here

    NG

    REPLACE MAP LIGHT SUB-ASSEMBLY Click here