Lexus IS250 · Service Manual BODY ELECTRICAL

INSPECTION

Inspection


INSPECT FUEL SENDER GAUGE ASSEMBLY

  1. E123317E01
    Disconnect the fuel sender gauge connector.

  1. Inspect the fuel sender gauge assembly (main).

    1. Remove the fuel sender gauge assembly (main).

    2. Check that the float moves smoothly between F and E.

    3. Measure the resistance between the terminals 2 (S) and 3 (FE) of connector according to the value(s) in the table below.

      Standard resistance:
      Main:
      Float Level
      Resistance (Ω)
      F
      6.5 to 8.5
      Between E and F
      6.5 to 242.6 (Gradually changes)
      E
      237.6 to 242.6

  1. Inspect the fuel sender gauge assembly (sub).

  1. Remove the fuel sender gauge assembly (sub).

  1. Check that the float moves smoothly between F and E.

  1. Measure the resistance between the terminals 1 (FS) and 2 (E) according to the value(s) in the table below.

    Standard resistance:
    Sub:
    Float Level
    Resistance (Ω)
    F
    6.5 to 8.5
    Between E and F
    6.5 to 171.9 (Gradually changes)
    E
    167.9 to 171.9

    HINT:
    If the value is not as specified, replace the fuel sender gauge assembly.

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