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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.
  2. If resistance is not as specified, adjust the TP sensor. See the ADJUSTMENTS article. If resistance is not as specified after adjustment, replace TP sensor. For further diagnostic procedures, see the TESTS W/CODES article.
    THROTTLE POSITION (TP) SENSOR RESISTANCE

    Application Ohms
    Between Terminals "A" & "C" 100-100,000
    Between Terminals "A" & "D" 2870-5330
    Fig 1: Identifying Throttle Position (TP) Sensor Terminals
    G95I32357Courtesy of SUZUKI OF AMERICA CORP.
  3. Disconnect negative battery cable. Remove instrument cluster. Connect ohmmeter between RSW and GND terminals on back of instrument cluster. Insert screwdriver into speedometer cable connector. Rotate screwdriver. See Fig 2 .
  4. Ohmmeter reading should alternate between zero and infinity 4 times for each revolution of speedometer cable. Replace speedometer if VSS does not test as described.
Fig 2: Testing Vehicle Speed Sensor (VSS)
G93J80563Courtesy of SUZUKI OF AMERICA CORP.
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