Throttle Position Sensor (TPS): Notes

THROTTLE POSITION SENSOR (TPS) RESISTANCE

Application

Ohms

PFI

Between Terminals "A" & "B"

With .020" (.50 mm) Clearance At Stop Screw

0-500

With .031" (.80 mm) Clearance At Stop Screw

Infinity

Between Terminals "A" & "D"

3500-6500

Between terminals "A" & "C"

At Idle

300-2000

At Wide Open Throttle

⁽²⁾ 2000-6500

TBI

Between Terminals "C" & "D"

With .012" (.3 mm) Clearance At Stop Screw

0-500

With .020" (.5 mm) Clearance At Stop Screw

Infinity

Between Terminals "A" & "D"

3500-6500

Between Terminals "B" & "D"

At Idle

⁽¹⁾ 300-2000

At Wide Open Throttle

⁽²⁾ 2000-6500

⁽¹⁾	To obtain idle position, apply 19 in. Hg vacuum to throttle opener.

⁽²⁾	Idle and wide open throttle readings should differ more than 2000 ohms.

Fig 1: Identifying Throttle Position Sensor (TPS) Terminals (TBI)

Courtesy of SUZUKI OF AMERICA CORP.