DTC P0506 Idle Air Control System Rpm Lower Than Expected
WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault
- GENERAL DESCRIPTION < Ref. to DTC P0506 IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED , Diagnostic Trouble Code (DTC) Detecting Criteria. >
TROUBLE SYMPTOM:
- Hard to start the engine.
- Engine does not start.
- Erroneous idling
- Engine stalls.
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode < Ref. to
OPERATION , Clear Memory Mode. > and Inspection Mode < Ref. to
PROCEDURE , Inspection Mode. >.
WIRING DIAGRAM:
DTC P0506 IDLE AIR CONTROL SYSTEM RPM LOWER THAN EXPECTED - DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK FOR ANY OTHER DTC ON DISPLAY. | Is any other DTC displayed? | Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >
NOTE:
In this case, it is not necessary to inspect DTC P0506.
|
Go to step 2. |
2 CHECK AIR CLEANER ELEMENT.
|
Is there excessive clogging on air cleaner element. | Replace the air cleaner element. < Ref. to AIR CLEANER ELEMENT . > |
Go to step 3. |
3 CHECK ELECTRONIC THROTTLE CONTROL.
|
Are foreign matter found inside electronic throttle control? | Remove foreign matter from electronic throttle control. | Perform the diagnosis of DTC P2101. |