Fuel Gauge Sending Unit Test: Test

How to use this manual .

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

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	158.2 mm (6.228 in)	9-11 Ohm
   b	65.9 mm (2.594 in)	243.6-287.8 Ohm
   c	33.7 mm (1.327 in)	343.0-348.6 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.
   • Secondary 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
   • Secondary Fuel Gauge Sending Unit Removed
   • Secondary Fuel Gauge Sending Unit 4P Connector Connected

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

   Procedure/Specifications 

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

   Specifications 

   Position
   c	158.2 mm (6.228 in)
   d	173.7 mm (6.839 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. C17
     • No. C47