DTC P0507: Idle Air Control System Rpm Higher Than Expected: Trouble Symptom

WARNING: This page is about a different car, the 2015 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.

Normal control

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". < Ref. to CAUTION , General Description.>

DTC PROCEDURE

Step	Check	Yes	No
1 CHECK DTC. Read DTCs of the following system. Engine Hybrid powertrain control system < Ref. to HYBRID POWERTRAIN CONTROL SYSTEM , OPERATION, Read Diagnostic Trouble Code (DTC).>	Are any other DTCs detected? (current malfunction)	First perform the diagnosis according to other DTCs.	Go to step 2 .
2 CHECK AIR INTAKE SYSTEM. Start and idle the engine. Check the following items. Loose installation of intake manifold and throttle body Cracks of intake manifold gasket and throttle body gasket Disconnection of vacuum hoses	Is there any fault in air intake system?	Repair air suction and leaks.	Go to step 3 .
3 CHECK ELECTRONIC THROTTLE CONTROL. Turn the ignition switch to OFF. Remove the electronic throttle control. < Ref. to REMOVAL , Throttle Body.> Check the electronic throttle control.	Are foreign matter found inside electronic throttle control?	Remove foreign matter from electronic throttle control.	Perform the diagnosis of DTC P2101 of engine. < Ref. to DTC P2101 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>