LIGHTING SYSTEM Power Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the power switch illumination.

WIRING DIAGRAM

B004UT8E72
*1 AA
*2 Power Switch
*3 Certification ECU (Smart Key ECU Assembly)

CAUTION / NOTICE / HINT

Note


  • Check that the "Engine Start Indicator" customization setting is set to "ON".

    Click here

  • Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Perform the Active Test according to the display on the GTS.

      Click here


      Body Electrical > Entry&Start > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Power/Engine SW Light Power switch illumination OFF or ON -

      Body Electrical > Entry&Start > Active Test
      Tester Display
      Power/Engine SW Light
      OK
      Power switch illumination comes on.
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT POWER SWITCH


    1. Remove the power switch.

      Click here

    2. Inspect the power switch.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER SWITCH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (POWER SWITCH - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])


    1. Disconnect the AA power switch connector.

    2. Disconnect the G71 certification ECU (smart key ECU assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      AA-9 (SWIL) - G71-10 (SWIL) AAlways Below 1 Ω
      AA-6 (AGND) - G71-11 (AGND) AAlways Below 1 Ω
      AA-9 (SWIL) or G71-10 (SWIL) - Body ground AAlways 10 kΩ or higher
      AA-6 (AGND) or G71-11 (AGND) - Body ground AAlways 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR