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Component Inspection

Ignition "OFF".
Disconnect Fuel Level Sensor connector.

Measure resistance between terminal "1" and "3" of the Fuel Level Sensor connector during lifting fuel float up and down (To Component Side).

FLS SPECIFICATIONS

FLS	Normal Parameter
Float position	Full gauge	3/4	1/2	1/4	Empty gauge
Resistance	8Ω	36Ω	66Ω	110Ω	200Ω
Fuel volume	68 l	52 l	38 l	23 l	5 l

Fig 1: Measuring Resistance Between Terminal "1" And "3" Of Fuel Level Sensor Connector During Lifting Fuel Float Up And Down (To Component Side)

G07326042

Courtesy of HYUNDAI MOTOR CO.

Does the measured resistance of FLS change during lifting up and down the fuel level float?
YES
- Substitute with a known - good PCM and check for proper operation.
  If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known - good Fuel Level Sensor and check for proper operation.
  If the problem is corrected, replace Fuel Level Sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.