Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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
- If the load condition is not as specified, inspect the following:
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.