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Home >> Jeep >> 1987 >> Cherokee Limited >> Repair and Diagnosis >> Engine Performance >> System >> 4.0L MPI System >> Removal & Installation >> Throttle Position Sensor (TPS) >> Output Check (Manual Transmission Only)
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Output Check (Manual Transmission Only)

  1. Connect negative lead of digital voltmeter to terminal "B" and positive lead to terminal "A" of TPS connector. Do not disconnect electrical connector. Insert leads through back of connector. It may be necessary to remove throttle body from vehicle to gain access to connector.
  2. Turn ignition on, engine off. With throttle closed and resting against idle stop, input voltage should be about 5 volts. Move positive lead from terminal "B" to terminal "C" and read voltage output. Output voltage should be about 0.8 volt with throttle closed and resting against idle stop.
  3. If voltage is not as specified, loosen lower retaining screw and pivot sensor for large adjustments. Loosen upper retaining screw and pivot sensor for small adjustments. Adjust sensor so output voltage reading equals 16 percent of input voltage. If voltage specifications cannot be obtained, replace sensor. Remove voltmeter. Tighten screws and bend retaining tabs into position.
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