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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 617 (ENGINE CONTROL SYSTEM (SFI) (1MZ-FE-3MZ-FE) - DIAGNOSTICS)DTC P0505: IDLE AIR CONTROL SYSTEMTYPICAL ENABLING CONDITIONS
2004 Toyota Matrix XR, FWD, Standard
Typical Enabling Conditions
2004 Toyota Matrix XR, FWD, StandardSECTION Typical Enabling Conditions
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS
| The monitor will run whenever the following DTCs are not present | See LIST OF DISABLE A MONITOR |
IAC Functional Check:
TYPICAL ENABLING CONDITIONS
| Battery voltage | 11 V or more |
| ECT | 75°C (167°F) |
| Idle | ON |
| Vehicle speed | Within 2 mph (3 km/h) |
| Engine RPM | 400 RPM or more |
IAC Range Check:
TYPICAL ENABLING CONDITIONS
| IAC duty ratio | 10 to 90 % |
| Battery voltage | 10 V |
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.