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Home >> Toyota >> 2023 >> GR86 Base, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes, Circuit Tests & Symptom Tests >> Meter / Gauge System >> Fuel Level Warning Light Illuminates Despite of Sufficient Fuel [11/2021 - ] >> Procedure

Fuel Level Warning Light Illuminates Despite of Sufficient Fuel [11/2021 - ]: Procedure

  1. CHECK DTC 
    1. Turn the ignition switch to ON.
    2. Read the DTC of [Combination Meter] using the GTS.

      Body Electrical > Combination Meter > Trouble Codes 

      Is DTC B1500 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 CHECK FUEL LEVEL WARNING LIGHT. 
    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
      Remaining fuel Fuel level warning light -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Remaining fuel

      Do the indicated amount on GTS and the fuel level warning light indication match?

      Result Proceed to
      YES (Check the fuel sender gauge assembly as a single part.) A
      NO (Replace the combination meter assembly.) B

    Result: 

    A 

    CHECK THE FUEL SENDER GAUGE ASSEMBLY AS A SINGLE PART 

    Refer to INSPECTION [11/2021 - 12/2023] , or refer to INSPECTION [12/2023 - ]

    Result: 

    B 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]