Inspection Procedure

2004 Lexus GS 300SECTION Inspection Procedure

HINT:

If there is not the hand-held tester, begin with STEP  2.

  1. Perform active test. 

    PREPARATION: 

    1. Connect the hand-held tester to the DLC3.
    2. Turn ignition switch ON and hand-held tester main switch ON.
    3. Select the ACTIVE TEST mode on the hand-held tester.

    CHECK: 

    Check that light turns ON or OFF as the hand-held tester directs.

    HINT:

    All lights flush except shift indicator.

    OK: 

    The light operates normally. 

    1. OK: Proceed to next circuit inspection shown in problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 
    2. NG: Go to Next Step. 
  2. Check bulb. 

    CHECK: 

    Apply the tester as shown to test for continuity.

    OK: 

    Continuity 

    Fig 1: Check Bulb Continuity
    G01484722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Replace bulb. 
    2. OK: Go to Next Step. 
  3. Check circuit plate. (See  INSPECTION  ) 
    1. NG: Replace circuit plate. 
    2. OK: Go to next step. 

      Check and replace combination meter (See  CIRCUIT  ). 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.