Load compensation inspection

Start the engine and let it idle.
Connect the M-MDS to the DLC-2.
Select the PCM PID [ENG_RPM]. (Refer to [PID/DATA MONITOR INSPECTION ] in service information.)
NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
Verify that the engine speed is within specification under each load condition.
- If the load condition is not as specified, inspect the following:
  - A/C switch and related wiring harness system (A/C request signal is always on or off)
  - Electrical load
  - Charging system (See BATTERY INSPECTION .) (See GENERATOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)] .)
    Idle-up speed [SKYACTIV-G 2.0] (MTX: Neutral position, ATX: P or N position)
    
    No load: 500-600 rpm (MTX), 550-650 rpm (ATX)
    
    A/C on: 650-800 rpm
    
    Electrical loads on: 600-750 rpm
    
    Idle-up speed [SKYACTIV-G 2.5] (MTX: Neutral position, ATX: P or N position)
    
    No load: 560-660 rpm (MTX), 550-650 rpm (ATX)
    
    A/C on: 650-800 rpm
    
    Electrical loads on: 600-750 rpm