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Throttle Position (TP) Sensor

  1. Disconnect negative battery cable and TP sensor connector. See Fig 1 . Using ohmmeter, check resistance between indicated terminals. See THROTTLE POSITION (TP) SENSOR RESISTANCE  table. If resistance is not as specified, adjust TP sensor.
  2. See ADJUSTMENTS - 1.6L TBI article in this section. If resistance is not as specified after adjustment, replace TP sensor. For further diagnostic procedures, see TESTS W/CODES - 1.6L TBI article in this section.
THROTTLE POSITION (TP) SENSOR RESISTANCE

Application Ohms
Between Terminals "C" & "D"
With .012" (.30 mm) Clearance At Stop Screw 0-500
With .020" (.50 mm) Clearance At Stop Screw Infinity
Between Terminals "A" & "D" 3500-6500
Between Terminals "B" & "D"
At Idle (1) 1300-2000
At Wide Open Throttle (2) 2000-6500
(1) To obtain idle position, apply 19 in. Hg vacuum to throttle opener.
(2) There should be more than 2000 ohms difference between idle and wide open throttle readings.
Fig 1: Identifying Throttle Position Sensor Connector Terminals
G93I81099Courtesy of SUZUKI OF AMERICA CORP.
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