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Home >> Nissan-Datsun >> 1982 >> 280ZX Base, 2.8L Eng VIN C, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Concentrated Engine Control >> Testing >> Component Testing >> Throttle Valve Switch
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Throttle Valve Switch

  1. Connect ohmmeter across pins 18 and 25 in control unit connectors. With throttle depressed, no continuity should be present. With throttle released, continuity should be present. If not correct, adjust throttle switch. See ADJUSTMENTS  in this article.
  2. Connect ohmmeter to terminal 18 and ground, then 25 and ground. See Figure. An infinity reading should be indicated in either position. If not, repair short to ground in harness, or replace throttle valve switch.
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