G-BOOK SYSTEM Emergency Call Switch Illumination Circuit

WIRING DIAGRAM

A003ZN8E03

INSPECTION PROCEDURE

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - BODY GROUND)


    1. A003XJGE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Map Light Assembly)

      Disconnect the T6 map light assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      T6-7 (ILL) - Body ground Power switch on (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the T6 map light assembly connector.

    2. Disconnect the H19 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T6-4 (LILL) - H19-10 (ILL-) Always Below 1 Ω
      T6-4 (LILL) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT MAP LIGHT ASSEMBLY


    1. Disconnect the T6 map light assembly connector.

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

    3. A003WVHE09
      Text in Illustration
      *a

      Component without harness connected

      (Map Light Assembly)

      Connect the positive lead from the batteries to terminal 7 (ILL), and the negative lead to terminal 4 (LILL) of the map light assembly connector.

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

      OK
      Illumination for the emergency call switch comes on.

    NG

    REPLACE MAP LIGHT ASSEMBLY Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here