DTC Troubleshooting: P0507 (14)

DTC P0507:  Idle Control System RPM Higner Than Expected

NOTE: If some of DTCs are stored at the same time as DTC P0507, troubleshoot the DTC (s) other than P0507 first, then recheck the P0507.

1.Turn the ignition switch ON (II).

2.Do the DTC CLEAR in the CLEAR MENU with the HDS.

3.Start the engine. Hold the engine speed at 3,000 rpm (min-1) with no load (in neutral) until the radiator fan comes on, then let it idle for 1 minute.

4.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Is DTC P0507 indicated?


YES - Go to 5.


NO - Intermittent failure, system is OK at this time.n


5.Check for vacuum leaks following parts.
  • PCV valve
  • PCV hose
  • EVAP canister purge valve
  • Throttle body
  • Brake booster hose

Is there vacuum leaks on the parts?


YES - Repair or replace the problem part, then go to 6.


NO - Go to 6.

6.Turn the ignition switch ON (II).

7.Do the ECM RESET in the CLEAR MENU with the HDS.

8.Do the ETCS learn procedure.

9.Start the engine. Hold the engine speed at 3,000 rpm (min-1) with no load (in neutral) untill the radiator fan comes on, then let it idle for 1 minute.

10.Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.

Are any Temporary DTCs or DTCs indicated?


YES - If DTC P0507 is indicated, check for secondary air leak again, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.


NO - Troubleshooting is complete.n