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Home >> Mazda >> 1983 >> GLC Base >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Testing & Adjustment >> Idle Up System >> System Check
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System Check

  1. Warm engine to operating temperature and run at idle. Turn air conditioner on and check that servo diaphragm stem is raised.
  2. The servo diaphragm is activated when the air conditioner is on and engine speed is 1200 RPM.
  3. Turn air conditioner off. If system does not respond as described, check the 3-way solenoid valves, servo diaphragm and control unit signal.
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