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Home >> Eagle >> 1990 >> Summit ES, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Throttle Position Sensor (TPS) >> Engine Controls - Adjustments >> Test No. 2
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Test No. 2

  1. Turn ignition on. DO NOT  start engine. Loosen throttle cable. Using digital voltmeter, backprobe Green/White wire terminal No. 19 and Black (Green/Black on some models) wire terminal No. 24 at Engine Control Unit (ECU) wiring harness connector.
  2. Check TPS output voltage.
  3. If output voltage is within .48-.52 volt, go to step 4). If output voltage is not within .48-.52 volt, remove throttle body. Loosen TPS mounting screws and rotate TPS clockwise or counterclockwise until output voltage is within specification. Tighten TPS mounting screws.
  4. Turn ignition off. Disconnect voltmeter from ECU harness connector. Adjust throttle cable. Disconnect negative battery cable for at least 10 seconds to clear diagnostic code. Reconnect negative battery cable. Operate engine at idle for approximately 5 minutes to ensure engine idles smoothly.
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