Main Fuel Level Sensor

Reference: FUEL LEVEL SENSOR REMOVAL AND INSTALLATION 

Check resistance between terminals (1) and (2) at each float position [a], [b] and [c].

If measured resistance is out of specification, replace fuel level sensor.

Fuel level sensor resistance 

Standard 

Fig 1: Checking Resistance Between Terminals 1 And 2 At Each Float Position (2WD Model)

Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Checking Resistance Between Terminals 1 And 2 At Each Float Position (4WD Model)

Courtesy of SUZUKI OF AMERICA CORP.