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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 549 (Engine Mechanical [Service Information L5]) >> Engine Tune-Up [L5] >> Idle-up Speed Control Inspection

Idle-up Speed Control Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Idle speed is not adjustable.
  • Idle speed verification requires M-MDS.
  1. Complete the engine tune-up preparation. (See ENGINE TUNE-UP PREPARATION .)
  2. Verify that the engine speed (M-MDS: RPM) is within the specification when each load is applied. (The speed decrease just after the load is applied is not considered.)
    • If the engine speed is not within the specification when a specified load is applied, inspect the related input parts, wiring harnesses, and connectors.

    Idle-up speed (ATX: P, N position, MTX: Neutral position) 

    A/C on and refrigerant pressure switch (middle pressure) is off: 600-700 RPM 

    A/C on and refrigerant pressure switch (middle pressure) is on: 750-850 RPM 

    Electrical loads on: 650-750 RPM (MTX), 600-750 RPM (ATX) 

    While turning steering wheel: 650-750 RPM 

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