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Fuel Gauge Sending Unit Test: Test

How to use this Service Information .

WARNING: Flammable - Keep Fire Away
NOTE:
  • Refer to the Fuel and Emissions Systems Service Precautions before doing the procedure.
  • Check for DTCs with the HDS. If any of the following DTCs are indicated, troubleshoot the indicated DTCs. If the PGM-FI system's DTC and the body electrical system's DTC are indicated at the same time, troubleshoot the PGM-FI system's DTC first.
    • PGM-FI system: P0462, P0463
    • Body electrical system: B1175, B1176
  1. Fuel Gauge Sending Unit - Test 1

    ■ Preconditions 

    • PGM-FI system: P0462, P0463
    • Body electrical system: B1175, B1176

    ■ Procedure/Specifications 

    • Measure the resistance with the float at A (EMPTY), B (LOW FUEL INDICATOR), and C (FULL) positions at the following terminals.

    Measurement Terminal 

    Connector: (Male terminals)
    No. 2 - No. 4

    Normal Conditions 

    Specifications 
    Float Position C172.5 mm (6.791 in) B76.5 mm (3.012 in) A29.7 mm (1.169 in)
    Resistance (Ω) 9 to 11 194.3 to 223.1 289.9 to 295.3
    GHH334150Courtesy of HONDA, U.S.A., INC.

    ■ Result 

  2. Fuel Gauge Sending Unit - Test 2

    ■ Preconditions 

    ■ Procedure/Specifications 

    1. Turn the vehicle to the ON mode.

    GHH334151Courtesy of HONDA, U.S.A., INC.

    2. Check that the pointer of the fuel gauge displayed on the gauge control module indicates "F" with both floats at F.

    Float Position: F 

    Specifications
    NOTE: With both float positions at the following specifications, the pointer of the fuel gauge should indicate "F".
    Fuel Tank Unit 172.5 mm (6.791 in) (A)
    Secondary Fuel Gauge Sending Unit 213.2 mm (8.394 in) (B)

    Normal Conditions 

    Specifications
    The pointer of the fuel gauge indicate "F".

    ■ Result