DTC Troubleshooting: P0507
DTC P0507: Idle Control System RPM Higher Than Expected
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0507 Idle Control System RPM Higher Than Expected
      

1.
Problem verification:

Problem verification
?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, then let it idle at least 20 seconds.

?4.
Monitor the OBD STATUS for DTC P0507 in the DTCs MENU with the HDS.
DTC Description
OBD STATUS
P0507 Idle Control System RPM Higher Than Expected
  

Does the HDS indicate FAILED?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates EXECUTING, keep idling until a result comes on. If the HDS indicates OUT OF CONDITION, recheck with different load conditions (electrical, A/C, gear position, etc.), then go to step 1-3.
2.
Vacuum leak check:

Vacuum leak check
?1.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?2.
Check for vacuum leaks at these parts:
PCV valve
PCV hose
EVAP canister purge valve
Throttle body
Intake manifold
Brake booster and hose

Are there any leaks?

     
YES
     
     
     
Repair or replace the leaking part(s), then do the repair verification.
     
NO
     
     
     
Recheck with different load conditions (turn on the headlights, the blower motor, or the A/C, change the gear position, etc.), then do the repair verification.
Repair verification (OBD STATUS check):

?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Reset the PCM with the HDS.


?3.
Do the PCM idle learn procedure.

?4.
Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, then let it idle at least 20 seconds.

?5.
Monitor the OBD STATUS for DTC P0507 in the DTCs MENU with the HDS.
DTC Description
OBD STATUS
P0507 Idle Control System RPM Higher Than Expected
  


Does the HDS indicate PASSED, FAILED, EXECUTING, or OUT OF CONDITION?

     
PASSED
     
     
     
Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated, go to the indicated DTC's troubleshooting.?
     
FAILED
     
     
     
Go to step 1 and recheck.
     
EXECUTING
     
     
     
Keep idling until a result comes on
     
OUT OF CONDITION
     
     
     
Meet the test condition, and check the OBD STATUS again.