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Home >> Toyota >> 2024 >> GR86 Base, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes, Circuit Tests & Symptom Tests >> Meter / Gauge System >> Illumination is Fixed at the Maximum Brightness [11/2021 - ] >> Procedure

Illumination is Fixed at the Maximum Brightness [11/2021 - ]: Procedure

  1. CHECK DTC 
    1. Read the DTC of [Combination Meter] using the GTS.

      Body Electrical > Combination Meter > Trouble Codes 

      Are any DTCs displayed? (Current code)

      Result Proceed to
      YES (Perform the diagnosis for the displayed DTCs.) A
      NO B

    Result: 

    A 

    PERFORM THE DIAGNOSIS FOR THE DISPLAYED DTCS. 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 10/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ]

    Result: 

    B 

    See step  2

  2. CHECK DTC 
    1. Start the engine.
    2. Using the GTS, read all DTCs.

      Is DTC U**** displayed? (Current code)

      Result Proceed to
      YES (Perform the diagnosis according to the basic diagnostic procedure in CAN SYSTEM (DIAGNOSTICS).) A
      NO B

    Result: 

    A 

    PERFORM THE DIAGNOSIS ACCORDING TO THE BASIC DIAGNOSTIC PROCEDURE IN CAN SYSTEM (DIAGNOSTICS). 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

    Result: 

    B 

    See step  3

  3. CHECK ILLUMINATION. 
    1. Using the GTS, check the following items in the [Active Test] of [Combination Meter].

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Diagnostic Note
      Brightness check Multi-information display -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Brightness check

      Do the indicated amount on GTS and the indicator indication match?

      Result Proceed to
      YES (Perform check of clearance light and illumination light system.) A
      NO (Replace the combination meter assembly.) B

    Result: 

    A 

    PERFORM CHECK OF CLEARANCE LIGHT AND ILLUMINATION LIGHT SYSTEM. 

    Refer to PROBLEM SYMPTOMS TABLE [11/2021 - ]

    Result: 

    B 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]