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Throttle Position Sensor

  1. Disconnect negative battery cable and TPS connector. See Fig 1 .
  2. Using ohmmeter, check resistance between indicated terminals. See THROTTLE POSITION SENSOR (TPS) RESISTANCE  table. If resistance is not as specified, adjust TPS. See ADJUSTMENTS article in the ENGINE PERFORMANCE Section. If resistance is not as specified after adjustment, replace TPS. For further diagnostic procedures, see TESTS W/CODES article in the ENGINE PERFORMANCE Section.
THROTTLE POSITION SENSOR (TPS) RESISTANCE

Application Ohms
Between Terminals "C" & "D"
With .008" (.20 mm) Clearance At Stop Screw 0-550
With .016" (.41 mm) Clearance At Stop Screw Infinity
Between Terminals "A" & "D" 3500-6500
Between Terminals "B" & "D"
At Idle (1) 0-2000
At Wide Open Throttle (2) 2000-6500
(1) To obtain idle position, apply 19 in. Hg to throttle opener.
(2) There should be more than 2000 ohms difference between idle and wide open throttle readings.
Fig 1: Throttle Position Sensor Connector Terminal ID
G119563Courtesy of SUZUKI OF AMERICA CORP.
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