METER / GAUGE SYSTEM, Diagnostic DTC:B1500

DTC Code DTC Name
B1500 Fuel Sender Open Detected

DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area
B1500 Fuel Sender Open Detected

Both conditions are met:


  • The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V.

  • Average input signal of fuel sender gauge is 4.85 V or more or 0.15 V or less.

  • Fuel sender gauge assembly

  • Fuel tank vent tube assembly

  • Harness or connector

  • Combination meter assembly

WIRING DIAGRAM

B003N1CE08
*a FV
*b Fuel Sender Gauge Assembly
*c Fuel Tank Vent Tube Assembly
*d Combination Meter Assembly

CAUTION / NOTICE / HINT

CAUTION:

Be careful of flames.

Note

When replacing the combination meter assembly, make sure to replace it with a new one.

PROCEDURE


  1. READ VALUE USING GTS (FUEL INPUT)


    1. Using the GTS, read the Data List.

      Click here


      Body Electrical > Combination Meter > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Fuel Input Fuel input Min.: 0, Max.: 127.5 Current fuel level displayed Unit: Liter

      Body Electrical > Combination Meter > Data List
      Tester Display
      Fuel Input
      OK
      Fuel amount value displayed on the GTS is almost the same as the needle indication.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (FUEL GAUGE CIRCUIT)


    1. Disconnect the G8 combination meter assembly connector.

    2. Disconnect the fuel tank vent tube assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G8-25 (FR) - O6-3 (FR) Always Below 1 Ω
      G8-24 (FV) - O6-1 (FV) Always Below 1 Ω
      G8-26 (FE&B) - O6-2 (FE) Always Below 1 Ω
      G8-25 (FR) or O6-3 (FR) - Body ground Always 10 kΩ or higher
      G8-24 (FV) or O6-1 (FV) - Body ground Always 10 kΩ or higher
      G8-26 (FE&B) or O6-2 (FE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT FUEL SENDER GAUGE ASSEMBLY


    1. Remove the fuel sender gauge assembly.

      Click here

    2. Inspect the fuel sender gauge assembly.

      Click here

      Result
      Result
      OK
      NG

    NG

    REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

    OK

  4. INSPECT FUEL TANK VENT TUBE ASSEMBLY


    1. B003RBAC01
      *a Upper Side
      *b

      Lower Side

      (to Fuel Sender Gauge Assembly)
      *c Connector A
      *d Connector B

      Remove the fuel tank vent tube assembly.

      Click here

    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 Always Below 1 Ω
      A-1 - B-3 Always Below 1 Ω
      A-2 - B-1 Always 10 kΩ or higher
      A-2 - B-3 Always 10 kΩ or higher
      A-3 - B-3 Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE FUEL TANK VENT TUBE ASSEMBLY Click here