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Home >> Lexus >> 2024 >> GX 550 Overtrail >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> DTC B1500-13: Fuel Sender Circuit Open [12/2023 - ] >> Procedure

DTC B1500-13: Fuel Sender Circuit Open [12/2023 - ]: Procedure

  1. INSPECT FUEL SENDER GAUGE ASSEMBLY 

    Refer to INSPECTION [12/2023 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE FUEL SENDER GAUGE ASSEMBLY. Refer to  REMOVAL [12/2023 - ] 

    Result: 

    OK 

    See step  2

  2. INSPECT FUEL SUCTION PLATE SUB-ASSEMBLY 

    Pre-procedure1

    GTY1216399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Component without harness connected
    (Fuel Suction Plate Sub-assembly)
    1. Remove the fuel suction plate sub-assembly.

      Refer to DISASSEMBLY [12/2023 - ]

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      N3-1 (FV) - B-1 Always Below 1 Ω
      N3-2 (FE) - B-2 Always Below 1 Ω
      N3-3 (FR) - B-3 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE FUEL SUCTION PLATE SUB-ASSEMBLY. Refer to  DISASSEMBLY [12/2023 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (FUEL SUCTION PLATE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the N3 fuel suction plate sub-assembly connector.
    2. Disconnect the E5 combination meter assembly connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      N3-3 (FR) - E5-7 (FR) Always Below 1 Ω
      N3-2 (FE) - E5-25 (FE&B) Always Below 1 Ω
      N3-1 (FV) - E5-23 (FV) Always Below 1 Ω
      N3-3 (FR) or E5-7 (FR) - Other terminals and body ground Always 10 kΩ or higher
      N3-2 (FE) or E5-25 (FE&B) - Other terminals and body ground Always 10 kΩ or higher
      N3-1 (FV) or E5-23 (FV) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR