Fuel Gauge Sending Unit Test (3.0L Engine): Test

How to use this service information .

NOTICE: 

• 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

• When working with a vehicle equipped with the electronic air suspension, be sure to set it to the leveling off mode to prevent unexpected operation. Refer to the Electronic Air Suspension System Service Precautions - Refer to: Electronic Air Suspension System Connector Fitting Precautions or Electronic Air Suspension System Service Precautions for the procedure.

1. Fuel Gauge Sending Unit - Test

   Preconditions 

   • DTC P0462 or P0463 not indicated.
   • DTC B1175 or B1176 not indicated.
   • Fuel Tank Unit Removed

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

   Procedure/Specifications 

   1. Confirm that the resistance at the following terminals changes smoothly by moving the float.

   Measurement Terminal 

   Fuel tank unit connector B (2P) (male terminals):
   No. 1 - No. 2

   Specifications 

   Object	Specification
   Float	Resistance changes smoothly

   2. Measure the resistance between the following terminals with each position.

   Measurement Terminal 

   Fuel tank unit connector B (2P) (male terminals):
   No. 1 - No. 2

   Specifications 

   Specification
   a	167.5 mm (6.594 in)	19-21 Ohm
   b	86.3 mm (3.398 in)	192.7-202.7 Ohm
   c	28.4 mm (1.118 in)	475.9-599.5 Ohm
   d	12.2 mm (0.480 in)	772.0-788.0 Ohm

   Result 

   • If the measurement is not within specifications, replace the fuel gauge sending unit .
2. Gauge Control Module - Test

   Preconditions 

   • DTC P0462 or P0463 not indication.
   • DTC B1175 or B1176 not indication.
   • "Fuel Gauge Sending Unit - Test" is completed and has tested normal.
   • Fuel Tank Unit Removed
   • Fuel tank unit connector A (4P) and Fuel tank unit connector B (2P) Connected

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

   Procedure/Specifications 

   1. Move the float to (a), then turn the vehicle to the ON mode.

   Specifications 

   Position
   b	167.5 mm (6.594 in)

   2. Check the pointer of the fuel gauge displayed on the gauge control module.

   Specifications 

   Specification
   The pointer of the fuel gauge indicate "F"

   Result 

   • If it is abnormal, replace the gauge control module .

   After Test 

   • Remove the following fuses for at least 10 seconds, then reinstall it.
   • • -

       No. A20

     • -

       No. CA