METER / GAUGE SYSTEM, Diagnostic DTC:B1500

DTC Code DTC Name
B1500 Fuel Sender Open Detected

DESCRIPTION

This DTC is stored when the combination meter detects a fuel sender gauge malfunction.

DTC Code DTC Detection Condition Trouble Area
B1500

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • Fuel sender gauge operation malfunction.

  • Fuel sender gauge assembly

  • Front fuel main and return tube sub-assembly

  • Harness or connector

  • Combination meter assembly

WIRING DIAGRAM

A01BF53E01

INSPECTION PROCEDURE

Note

Be careful of flames.

PROCEDURE


  1. READ VALUE USING GTS (FUEL INPUT)


    1. Use the Data List to check if the fuel input signal is operating properly Click here.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Fuel Input Fuel input signal/Min.: 0, Max. 127.5 Current fuel level displayed Unit: Liters.
      OK
      Fuel amount value displayed on the GTS is almost the same as needle indication.

    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT FUEL MAIN AND RETURN TUBE SUB-ASSEMBLY AND BODY GROUND) Click here

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT FUEL MAIN AND RETURN TUBE SUB-ASSEMBLY AND BODY GROUND)


    1. Disconnect the H20 combination meter assembly connector.

    2. Disconnect the h1*1 or h2*2 front fuel main and return tube sub-assembly connector.


      • *1: Engine Type Diesel

      • *2: Engine Type Gasoline

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

      Standard Resistance
      Engine Type Diesel
      Tester Connection Condition Specified Condition
      H20-33 (FUEL) - h1-2 Always Below 1 Ω
      H20-34 (E2) - h1-3
      H20-33 (FUEL) or h1-2 - Body ground Always 10 kΩ or higher
      H20-34 (E2) or h1-3 - Body ground
      Engine Type Gasoline
      Tester Connection Condition Specified Condition
      H20-33 (FUEL) - h1-2 Always Below 1 Ω
      H20-34 (E2) - h1-3
      H20-33 (FUEL) or h1-2 - Body ground Always 10 kΩ or higher
      H20-34 (E2) or h1-3 - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT FRONT FUEL MAIN AND RETURN TUBE SUB-ASSEMBLY


    1. A01BG09E11

      Remove the front fuel main and return tube sub-assembly.


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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-2 - B-2 Always Below 1 Ω
      A-3 - B-1


    NG

    REPLACE FRONT FUEL MAIN AND RETURN TUBE SUB-ASSEMBLY*

    OK

  4. INSPECT FUEL SENDER GAGE ASSEMBLY


    1. A01BCR7E01
      Text in Illustration
      *a F (Upper)
      *b E (Lower)

      Remove the fuel sender gauge assembly.


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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Float level is F (upper) 13.5 to 16.5 Ω
      Float level is E (lower) 405.5 to 414.5 Ω

      Tech Tips

      *: Replacement procedure;



    NG

    REPLACE FUEL SENDER GAUGE ASSEMBLY*

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here