Wiring Diagram:

WARNING: This page is about a different variant/trim than selected.

Fig 1: Wiring Diagram - DTC P0507 Idle Control System Rpm Higher Than Expected

Courtesy of SUBARU OF AMERICA, INC.

DTC P0507 DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1. CHECK FOR ANY OTHER DTC ON DISPLAY.	Is any other DTC displayed?	Inspect the relevant DTC using "List of Diagnostic Trouble Code (DTC)". < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > NOTE: In this case, it is not necessary to inspect to inspect DTC P0507.	Go to step 2.
2. CHECK AIR CLEANER ELEMENT. Turn the ignition switch to ON. Start the engine, and idle it. Check the following items. Loose installation of intake manifold and throttle body Cracks of intake manifold gasket and throttle body gasket Disconnections of vacuum hoses	Is there any fault in air intake system?	Repair the air suction and leaks.	Go to step 3.
3. CHECK ELECTRONIC THROTTLE CONTROL. Turn the ignition switch to OFF. Remove the electronic throttle control. Check the electronic throttle control.	Are there foreign particles in electronic throttle control?	Remove the foreign particles from electronic throttle control.	Perform the diagnosis of DTC P2102.

Step

Check

Yes

1. CHECK FOR ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Inspect the relevant DTC using "List of Diagnostic Trouble Code (DTC)". < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >

NOTE: In this case, it is not necessary to inspect to inspect DTC P0507.

Go to step 2.

2. CHECK AIR CLEANER ELEMENT.

Is there any fault in air intake system?

Repair the air suction and leaks.

Go to step 3.

3. CHECK ELECTRONIC THROTTLE CONTROL.

Are there foreign particles in electronic throttle control?

Remove the foreign particles from electronic throttle control.

Perform the diagnosis of DTC P2102.