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Throttle Position Sensor (TPS)

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NOTE: To identify TPS terminals, see Fig 1 .
THROTTLE POSITION SENSOR (TPS) RESISTANCE

Application Resistance: (Ohms)
Between Terminals 1 & 2 (1) 0-5000
Between Terminals 1 & 2 (2) Infinity
Between Terminals 1 & 2 (3) 0
Between Terminals 1 & 4 4370-8130
Between Terminals 1 & 3 (3) 240-1140
Between Terminals 1 & 3 (4) 3170-6600
(1) With .012" (.30 mm) feeler gauge installed between throttle stop screw and lever.
(2) With .035" (.89 mm) feeler gauge installed between throttle stop screw and lever.
(3) Throttle valve at idle position.
(4) Throttle valve at fully open position.
Fig 1: Throttle Position Sensor Terminal ID
G92F26646Courtesy of GENERAL MOTORS CORP.
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