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Home >> Mazda >> 1977 >> GLC Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Emissions System - Deceleration Control System >> Testing >> Coasting Richer System >> 1975 Models & 1976-77 Federal 1600cc Man. Trans. Equipped Models (Accelerator Switch Test)

1975 Models & 1976-77 Federal 1600cc Man. Trans. Equipped Models (Accelerator Switch Test)

  1. Unplug accelerator switch connector. Connect ohmmeter to switch connector terminals and check continuity.
  2. With pedal released, continuity should exist (switch is on). With pedal depressed, no continuity should exist (switch is off). To adjust accelerator switch, ensure throttle valve is fully closed.
  3. Loosen switch adjusting screw completely. Now slowly tighten screw until continuity is made. Tighten screw and additional 1 1/2 turns. On GLC, models continuity should no longer exists past 3/4 depression of accelerator pedal.
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