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Home >> Mazda >> 2018 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine Mechanical System) >> Engine Tune-Up >> Idle-up Speed Control Inspection

Idle-up Speed Control Inspection

WARNING: This page is about a different car, the 2016 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • The idle speed cannot be adjusted.
  • The M-MDS is required to verify the idle speed.
  1. Prepare for the engine tune-up. (See ENGINE TUNE-UP PREPARATION .)
  2. Verify that the idle speed according to each load (M-MDS PID: RPM) is within the specification using the PID/data monitor function of the M-MDS (except idle speed decrease after applying load). (See PCM INSPECTION .)
    • 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 (MT: Neutral position, AT: P position or N position) 

    • MT (A/C on (with A/C)): 720-870 rpm
    • AT (A/C on (with A/C)): 700-800 rpm
    • MT (Electrical loads on): 680-780 rpm
    • AT (Electrical loads on): 690-790 rpm
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