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.
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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 579 (SYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM AJ))ENGINE CONTROL SYSTEM OPERATION INSPECTIONELECTRONIC THROTTLE CONTROL INSPECTIONLOAD COMPENSATION INSPECTION
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Load compensation inspection
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Load compensation inspection
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine and run is at idle.
- Connect the M-MDS to the DLC-2.
- Verify that P0506, P0507 or P0511 are not displayed.
- If P0506, P0507 or P0511 are displayed, perform DTC inspection. (See DTC TABLE ).
- Select the RPM PID.NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
- Verify that the engine speed is within the specification under each load condition.
- If not as specified at specific load condition, inspect the following:
- A/C switch and related harness (See CLIMATE CONTROL UNIT INSPECTION [L3, AJ] ).
- Fan switch and related harness (See CLIMATE CONTROL UNIT INSPECTION [L3, AJ] ).
- PSP switch and related harness (See POWER STEERING PRESSURE (PSP) SWITCH INSPECTION ).
Idle speed
ENGINE SPEEDCondition Engine speed (RPM)(1) No load 700-600 Electrical loads(2) ON 700-800 P/SON 700-800 A/CON 700-800 (1) Excludes temporary idle speed drop just after the electrical loads are turned on. (2) Blower motor is operating at high speed. Headlight switch is turned on. Rear window defroster switch is turned on. Cooling fans are operating. - If not as specified at specific load condition, inspect the following:
RENDER: 1.0x
NO RELATED
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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.