METER / GAUGE SYSTEM, Diagnostic DTC:B1501

DTC Code DTC Name
B1501 Sub Fuel Sender Open Detected

DESCRIPTION

Tech Tips

Trouble code B1501 is only output for double tank equipped vehicles.

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

DTC Code DTC Detection Condition Trouble Area
B1501 When the combination meter detects a fuel sender gauge malfunction.

  • Harness or connector

  • Combination meter assembly

  • Fuel sender gauge assembly

WIRING DIAGRAM

B00198YE15
*a Fuel Sender Gauge Assembly (for Sub Tank)
*b Combination Meter Assembly

PROCEDURE


  1. READ VALUE USING GTS (FUEL SENDER GAUGE)


    1. Operate the GTS according to the display and select the Data List Click here.

      Combination Meter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Fuel Input Fuel sender gauge (main) input signal/Min.: 0, Max.: 127.5

      Fuel receiver gauge indicates F: 83.7 L

      Fuel receiver gauge indicates 3/4: 66.5 L

      Fuel receiver gauge indicates 1/2: 49.5 L

      Fuel receiver gauge indicates 1/4: 31.2 L

      Fuel receiver gauge indicates E: 12.5 L

      		 Unit: L
      OK
      Fuel amount value displayed on the GTS is almost same as needle indication.

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER - FUEL SENDER GAUGE AND BODY GROUND)


    1. Disconnect the E120 meter connector.

    2. Disconnect the M3 gauge connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E120-34 (FR) - M3-1 (FR2) Always Below 1 Ω
      E120-36 (L) - M3-3 (FV2)
      E120-18 (FE) - M3-2 (FE2)
      E120-34 (FR) or M3-1 (FR2) - Body ground Always 10 kΩ or higher
      E120-36 (L) or M3-3 (FV2) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT FUEL SENDER GAUGE ASSEMBLY


    1. Remove the fuel sender gauge (See page [3UR-FE], Click here [1VD-FTV]).

    2. Inspect the fuel sender gauge (See page [3UR-FE], Click here [1VD-FTV]).

      Result
      Result Proceed to
      OK A
      NG (3UR-FE) B
      NG (1VD-FTV) C

    A

    REPLACE COMBINATION METER ASSEMBLY Click here

    B

    REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

    C

    REPLACE FUEL SENDER GAUGE ASSEMBLY Click here