METER / GAUGE SYSTEM Fuel Gauge Malfunction

DESCRIPTION

The combination meter assembly controls the fuel receiver gauge in accordance with the resistance of the fuel sender gauge assembly, which varies depending on the amount of fuel remaining in the fuel tank.

WIRING DIAGRAM

Refer to DTC B1500 Click here.

INSPECTION PROCEDURE

PROCEDURE


  1. CONFIRM DTC OUTPUT


    1. Check DTC Click here.

      Result
      Result Proceed to
      DTC B1500 is not output A
      DTC B1500 is output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  2. PERFORM ACTIVE TEST USING GTS (FUEL METER)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.

    5. According to the display on the GTS, perform the Active Test.

      Combination Meter
      Item Test part Control Range Diagnostic Note
      Fuel Meter Operation Fuel gauge

      EMPTY: Segment No. 1 flashes

      1/2: Segments No. 1 to No. 3 illuminate.

      FULL: Segments No. 1 to No. 6 illuminate.

      		 -
      OK
      Fuel receiver gauge segments are illuminated in accordance with the GTS instructions.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  3. READ VALUE USING GTS (FUEL INPUT)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Data List.

    5. According to the display on the GTS, read the Data List.

      Combination Meter
      Item Measurement Item/Range Normal Condition Diagnostic Note
      Fuel Input

      Fuel sender gauge input

      Min.: 0

      Max.: 127.5

      		 Fuel sender input value Unit: Liter
      OK
      Fuel input signal displayed on the GTS is approximately the same as the fuel receiver gauge indication.

    NG

    Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

  4. INSPECT FUEL SENDER GAUGE ASSEMBLY


    1. Remove the fuel sender gauge assembly.

      Tech Tips


      A0119I8E01
      Text in Illustration
      *a

      Component without harness connected

      (Fuel Sender Gauge Assembly)

      		 - -

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Float Level Float Position (mm (in.)) Specified Condition
      1 (-) - 2 (+) F 42.5 to 57.7 (1.673 to 2.272) 161 to 178.5 Ω
      1/2 27.6 to 34.7 (1.087 to 1.366) 277 Ω
      Warning 10.7 to 17.9 (0.421 to 0.705) 372 Ω
      E 0 386 to 415 Ω
      Result
      Result Proceed to
      OK A
      NG (for 1KR-FE) B
      NG (for 1NR-FE) C

    B

    REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

    C

    REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

    A

  5. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FUEL SENDER GAUGE ASSEMBLY)


    1. A0119GKE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)
      *b

      Front view of wire harness connector

      (to Fuel Sender Gauge Assembly)

      Disconnect the combination meter assembly connector.

    2. Disconnect the fuel sender gauge assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connector Condition Specified Condition
      D1-3 (L) - L2-1 (FS) Always Below 1 Ω
      D1-3 (L) or L2-1 (FS) - Body ground Always 10 kΩ or higher
      D1-8 (FUS-) - L2-2 (FE) Always Below 1 Ω
      D1-8 (FUS-) or L2-2 (FE) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here