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Home >> Lexus >> 2019 >> LS 500h AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (3 Of 3) & Symptom Tests (1 Of 2) >> Meter / Gauge System >> Fuel Receiver Gauge Display Malfunction [10/2020 - 11/2021] >> Procedure

Fuel Receiver Gauge Display Malfunction [10/2020 - 11/2021]: Procedure

  1. CHECK FOR DTC 
    1. Check DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2017 - ]

      Body Electrical > Combination Meter > Trouble Codes 

      OK

      DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2020 - 11/2021] 

    Result: 

    OK 

    See step  2

  2. CHECK FOR DTC (SFI SYSTEM) 
    1. Check if SFI system DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

      Powertrain > Engine > Trouble Codes 

      OK

      SFI system DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO SFI SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2020 - 11/2021] 

    Result: 

    OK 

    See step  3

  3. CHECK VEHICLE TYPE 
    1. Check vehicle condition.

      Result

      Result  Proceed to 
      for F SPORT Model A
      w/ Advanced Drive
      except F SPORT Model B
      w/o Advanced Drive

    Result: 

    See step  5

    Result: 

    See step  4

  4. READ VALUE USING GTS 
    1. Connect the GTS to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Data List.
    5. Read the Data List according to the display on the GTS.

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Fuel Input Fuel input Min.: 0 L, Max.: 655.34 L or Unset Current fuel level displayed -
      Sub Fuel Input Sub fuel input Min.: 0 L, Max.: 655.34 L or Unset Current fuel level displayed -

      Body Electrical > Combination Meter > Data List 

      Tester Display
      Fuel Input
      Sub Fuel Input

      OK

      Fuel level displayed on the Techstream is almost the same as the fuel receiver gauge indication.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  6

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021] 

  5. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Perform the Active Test according to the display on the Techstream.

      Refer to DATA LIST / ACTIVE TEST [10/2020 - 11/2021]

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range
      Fuel Gauge Operation (Sender E) Fuel receiver gauge (Sender E) ON
      Fuel Gauge Operation (Empty) Fuel receiver gauge (Empty) ON
      Fuel Gauge Operation (Warning) Fuel receiver gauge (Warning) ON
      Fuel Gauge Operation (1/4) Fuel receiver gauge (1/4) ON
      Fuel Gauge Operation (1/2) Fuel receiver gauge (1/2) ON
      Fuel Gauge Operation (3/4) Fuel receiver gauge (3/4) ON
      Fuel Gauge Operation (Full) Fuel receiver gauge (Full) ON
      Fuel Gauge Operation (Sender F) Fuel receiver gauge (Sender F) ON

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (Sender E)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (Empty)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (Warning)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (1/4)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (1/2)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (3/4)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (Full)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Fuel Gauge Operation (Sender F)

      OK

      Fuel receiver gauge indication is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021] 

    Result: 

    OK 

    See step  6

  6. INSPECT FUEL SENDER GAUGE ASSEMBLY 
    1. Remove the fuel sender gauge assembly.

      Refer to REMOVAL [10/2020 - 10/2022]

    2. Inspect the fuel sender gauge assembly.

      Refer to INSPECTION [10/2017 - ]

      Result

      Result Proceed to
      OK A
      NG (for Fuel suction gauge assembly) B
      NG (for No. 2 fuel sender gauge assembly) C

    Result: 

    CLEAN INSIDE OF FUEL TANK ASSEMBLY 

    Result: 

    REPLACE FUEL SENDER GAUGE ASSEMBLY. Refer to  REMOVAL [10/2020 - 10/2022] 

    Result: 

    REPLACE NO. 2 FUEL SENDER GAUGE ASSEMBLY. Refer to  REMOVAL [10/2020 - 10/2022]