LIGHTING SYSTEM Buckle Illumination Circuit

DESCRIPTION

main body ECU (multiplex network body ECU) controls the rear seat belt buckle light

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   PERFORM ACTIVE TEST USING GTS

   
   

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

      Click here

      
      
      1. Body Electrical > Main Body > Active Test

         Tester Display	Measurement Item	Control Range	Diagnostic Note
         Rear Side Buckle Light	Rear seat belt buckle light	OFF or ON	-

      2. 
         
         10. 
             
      
      
      1. Body Electrical > Main Body > Active Test

         Tester Display
         Rear Side Buckle Light

      2. 
         
         1. 
            
      3. 
         
         11. 
             

      OK
      Rear seat belt buckle light turns on or off.

      Result
      Proceed to OK NG

   
   
   • OK

     PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (REAR SEAT INNER BELT - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])

   
   

   1. Disconnect the L91 rear seat inner belt assembly LH connector.

   2. Disconnect the L92 rear seat inner with center belt assembly RH connector.

   3. Disconnect the G12 main body ECU (multiplex network body ECU) connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition L92-1 (B) - Body ground Power switch off 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition L92-2 (E) - G12-10 (BLIL) Always Below 1 Ω L92-2 (E) or G12-10 (BLIL) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OK

     REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)Click here

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR