METER / GAUGE SYSTEM, Diagnostic DTC:B1501

DTC Code DTC Name
B1501 Sub Fuel Sender Open Detected

DESCRIPTION

This DTC is stored when the combination meter assembly detects a No. 2 fuel sender gauge assembly malfunction via a direct line.

DTC Code DTC Detection Condition Trouble Area
B1501

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 630 Ω or more 3 times consecutively.

  • Harness or connector

  • Combination meter assembly

  • Fuel tank vent tube assembly

  • Fuel sender gauge assembly

WIRING DIAGRAM

Figure 1. except 5L-E

B001DDOE03
*a Fuel Sender Gauge Assembly NO.2
*b Fuel Tank Vent Tube Sub-assembly
*c Combination Meter Assembly

Figure 2. for 5L-E

B001G72E14
*a Fuel Sender Gauge Assembly NO.2
*b Fuel Tank Vent Tube Sub-assembly
*c Combination Meter Assembly

CAUTION / NOTICE / HINT

Note

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

PROCEDURE


  1. READ VALUE USING GTS (FUEL INPUT)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

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

    5. Read the Data List according to the display on the GTS.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Fuel Input Fuel input/Min.: 0, Max.: 127.5 Current fuel level displayed Unit: L
      Result
      Result Proceed to
      Fuel level data can be displayed on the GTS A
      Fuel level data cannot be displayed on the GTS B

    A

    REPLACE COMBINATION METER ASSEMBLY Click here

    B

  2. CHECK VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      except 5L-E A
      for 5L-E B

    B

    CHECK HARNESS AND CONNECTOR (FUEL GAUGE CIRCUIT) Click here

    A

  3. CHECK FUEL SENDER GAUGE ASSEMBLY (POWER SOURCE)

    B001HMAC67
    *a

    Component with harness connected

    (Combination Meter Assembly)

    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G304-25 (L) - Body ground Engine switch on (IG) 4.5 to 5.5 V
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  4. CHECK FUEL SENDER GAUGE ASSEMBLY

    B001HMAC68
    *a

    Component with harness connected

    (Combination Meter Assembly)

    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G304-26 (FR) - G304-2 (FE) Engine switch on (IG) 0.2 to 4.7 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

  5. CHECK HARNESS AND CONNECTOR (FUEL TANK VENT TUBE ASSEMBLY - COMBINATION METER ASSEMBLY)


    1. Disconnect the t1 fuel tank vent tube assembly connector.

    2. Disconnect the G304 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      t1-4 (FR2) - G304-26 (FR) Always Below 1 Ω
      2t1-1 (FE) - G304-3 (FE) Always Below 1 Ω
      t1-5 (FV2) - G304-25 (L) Always Below 1 Ω
      G304-26 (FR) - Body ground Always 10 kΩ or higher
      G304-2 (FE) - Body ground Always 10 kΩ or higher
      G304-25 (L) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT FUEL SENDER GAGE ASSEMBLY NO.2


    1. Remove the fuel sender gauge assembly.


    2. Inspect the fuel sender gauge assembly.


      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FUEL SENDER GAGE ASSEMBLY NO.2 for Double Tank Type (for 1GR-FE) Click here for Double Tank Type (for 1KD-FTV) Click here for Double Tank Type (for 1GD-FTV) Click here for Double Tank Type (for 2TR-FE) Click here

    OK

  7. INSPECT FUEL TANK VENT TUBE ASSEMBLY

    B001CZ7C01
    *a Fuel Tank Vent Tube Assembly
    *b

    Component without harness connected

    (Fuel Tank Vent Tube Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      t1-1 (FE2) - 2 Always Below 1 Ω
      t1-4 (FR2) - 1 Always Below 1 Ω
      t1-5 (FV2) - 3 Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE FUEL TANK VENT TUBE ASSEMBLY for Double Tank Type (for 1GR-FE) Click here for Double Tank Type (for 1KD-FTV) Click here for Double Tank Type (for 1GD-FTV) Click here for Double Tank Type (for 2TR-FE) Click here

  8. CHECK HARNESS AND CONNECTOR (FUEL GAUGE CIRCUIT)


    1. Disconnect the G6 combination meter assembly connector.

    2. Disconnect the t1 fuel sender gauge assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G6-8 (L) - t1-4 (FR2) Always Below 1 Ω
      G6-23 (FE) - t1-5 (FV2) Always Below 1 Ω
      G6-5 (ET) - Body ground Always Below 1 Ω
      G6-8 (L) or t1-4 (FR2) - Body ground Always 10 kΩ or higher
      G6-23 (FE) or t1-5 (FV2) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. INSPECT FUEL SENDER GAGE ASSEMBLY NO.2


    1. Remove the fuel sender gauge assembly.

      Click here

    2. Inspect the fuel sender gauge assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

    OK

  10. INSPECT FUEL TANK VENT TUBE ASSEMBLY

    B001GSMC02
    *a Fuel Tank Vent Tube Assembly
    *b

    Component without harness connected

    (Fuel Tank Vent Tube Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      t1-4 (FR2) - 1 Always Below 1 Ω
      t1-5 (FV2) - 2 Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE FUEL TANK VENT TUBE ASSEMBLY Click here