LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2008 >> GS 460 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter >> Meter / Gauge System >> Driver Side Seat Belt Warning Light does not Operate >> Inspection Procedure

Inspection Procedure

  1. CHECK SUPPLEMENTAL RESTRAINT SYSTEM 
    1. Check for supplemental restraint system (SRS) DTCs.

      Result 

      RESULT REFERENCE CHART

      Result Proceed
      No SRS DTCs are output A
      SRS DTCs are output B

    B :  GO TO SUPPLEMENTAL RESTRAINT SYSTEM

    A : Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM (DRIVER SIDE SEAT BELT) 
    1. Connect Techstream to the DLC3.
    2. Engine switch on (IG).
    3. Turn the tester ON.
    4. Enter following menus: Body Electrical / Combination Meter / Active Test.
    5. Check the operation by referring to the table below.

      Combination Meter: 

      TESTER DISPLAY REFERENCE CHART

      Tester Display Test Part Control Range Diagnostic Note
      Driver Side Seat Belt Driver side seat belt warning light Driver side seat belt warning light is OFF/ON Confirm that the vehicle is stopped, engine idling

    OK : REPLACE CENTER AIRBAG SENSOR ASSEMBLY 

    NG : Go to next step 

  3. INSPECT INSTRUMENT CLUSTER FINISH PANEL (SEAT BELT WARNING LIGHT FOR DRIVER SIDE) 
    1. Remove the panel sub-assembly.
    2. Apply battery voltage and check that the seat belt warning light illuminates.

      OK 

      MEASUREMENT CONDITION AND SPECIFIED CONDITION

      Measurement Condition Specified Condition
      Battery positive (+) → Terminal 11
      Battery negative (-) → Terminal 6
      Seat belt warning light Illuminates

      HINT:

      When the battery's negative (-) lead is applied to terminal 11 and the positive (+) lead is applied to terminal 6, the seat belt warning light does not illuminate.

    NG : REPLACE INSTRUMENT CLUSTER FINISH PANEL 

    Fig 1: Inspecting Instrument Cluster Finish Panel (Seat Belt Warning Light For Driver Side)
    G05299356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : REPLACE COMBINATION METER