LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1985 >> GLC Base >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Testing >> Idle-Up System >> System Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Check

  1. Warm engine to operating temperature and run at idle. Turn A/C on, and verify that servo diaphragm stem is raised.
  2. The servo diaphragm is activated when A/C is on and engine speed is 1400-1900 RPM.
  3. Turn A/C off.
scientia non olet · About LEMON Manuals