TELEMATICS SYSTEM Emergency Call Switch Illumination Circuit

WIRING DIAGRAM

B000W4GE05
*1 Manual (SOS) Switch
*2 Map Light Sub-assembly
*3 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 Registration for Telematics System.

    Click here

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

PROCEDURE


  1. INSPECT MAP LIGHT SUB-ASSEMBLY (MANUAL (SOS) SWITCH)


    1. B000Z8YC04
      *a

      Component without harness connected

      (Map Light Sub-assembly [Manual (SOS) Switch])

      Remove the map light sub-assembly (manual (SOS) switch).

      Click here

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

    3. Connect a positive (+) from the batteries lead to terminal 7 (RRID) and a negative (-) lead to terminal 10 (GND3) of the map light sub-assembly (manual (SOS) switch) connector.

    4. Check if the manual (SOS) switch illuminates.

      OK
      Manual (SOS) switch illuminates.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE MAP LIGHT SUB-ASSEMBLY (MANUAL (SOS) SWITCH) Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (TELEPHONE TRANSCEIVER ASSEMBLY - MAP LIGHT SUB-ASSEMBLY [MANUAL (SOS) SWITCH])


    1. Disconnect the P48 telephone transceiver assembly connector.

    2. Disconnect the Z3 map light sub-assembly (manual (SOS) switch) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P48-9 (SLED) - Z3-7 (RRID) Always Below 1 Ω
      P48-26 (SIG-) - Z3-10 (GND3) Always Below 1 Ω
      P48-9 (SLED) or Z3-7 (RRID) - Body ground Always 10 kΩ or higher
      P48-26 (SIG-) or Z3-10 (GND3) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE TELEPHONE TRANSCEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR