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Home >> Toyota >> 2021 >> Land Cruiser Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> Meter Illumination does not Dim at Night [08/2015 - ] >> Procedure

Meter Illumination does not Dim at Night [08/2015 - ]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - ] ).
      RESULT

      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output B

    Result: 

    NG 

    GO TO DTC B1244 

    Result: 

    OK 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Operate the Techstream according to the display and select Data List (Refer to DATA LIST / ACTIVE TEST [08/2015 - ] ).
      COMBINATION METER

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Tail Cancel SW* TAIL cancel switch condition/ON or OFF ON: TAIL cancel switch ON
      OFF: TAIL cancel switch OFF
      -
      Rheostat value Light control rheostat switch input/Min.: 0, Max.: 100 Light control rheostat switch is fully turned right (0) → fully turned left (100) Unit: %

      HINT: 

      *: w/ TAIL Cancel Switch

      OK

      Light brightness can be changed within specified range by manual operation.

    Result: 

    OK 

    CHECK CUSTOMIZE SETTING 

    (Refer to CUSTOMIZE PARAMETERS [08/2015 - ] )

    Result: 

    NG 

    See step  3

  3. REPLACE COMBINATION METER ASSEMBLY 

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    (Refer to REMOVAL [08/2015 - ] )