P0505 2006 SCION XB Code - Idle Control System Malfunction
|P0505 2006 SCION XB code possible causes
- Open or short in IAC valve circuit
- IAC valve stuck or closed
- A/C switch circuit
- Air induction system
- Ventilation valve and hose
|How do I fix the P0505 2006 SCION XB code?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
|P0505 2006 SCION XB code tech notesBefore replacing any parts, try cleaning the Idle air control valve.
|Cost of diagnosing the P0505 2006 SCION XB code
Labor: 1.0The cost of diagnosing the P0505 2006 SCION XB code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|When is the P0505 2006 SCION XB code detected?The ECM regulates the idle speed by opening and closing the throttle valve using the ETCS. The ECM concludes that the idle speed control ECM function is malfunctioning if: 1) the actual idle RPM varies more than the specified amount five times or more during a drive cycle, or 2) a learning value of the idle speed control remains at the maximum or minimum five times or more during a drive cycle. The ECM will turn on the MIL and set a DTC.
Example: If the actual idle RPM varies from the target idle RPM by more than 200* rpm five times during a drive cycle, the ECM will turn on the MIL and will set a DTC.
|What are P0505 2006 SCION XB code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hard to start
- Rough or erratic idle speed
|P0505 2006 SCION XB code descriptionThe Idle Air Control (IAC) valve, a rotary solenoid type, is located under the throttle body. Intake air bypassing the throttle valve flows into the IAC valve through a passage. The valve regulates the volume of intake air that bypasses the throttle valve and allows the engine idling speed to be controlled. The IAC valve is used by the ECM to perform idle-up and its feedback signal is used as one factor in target engine idling speed regulation.
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