DTC P0507: Idle Control System RPM Higher Than Expected
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
- Clear the DTC with the HDS
- 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
- Monitor the OBD STATUS for DTC P0507 in the DTCs MENU with the HDS
Does the screen indicate FAILED?
YES -Go to step 5
NO -If the screen indicates PASSED, intermittent failure, the system is OK at this time If the screen indicates EXECUTING, keep idling until a result comes on If the screen indicates OUT OF CONDITION, recheck with different load conditions (electrical, A/C, gear position, etc), then go to step 3
- Check for vacuum leaks at these parts
- PCV valve
- PCV hose
- EVAP canister purge valve
- Throttle body
- Intake manifold
- Brake booster hose
- Brake booster
Are there any leaks?
YES - Repair or replace the leaking part(s), then go to step 6
NO -Go to step 6
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
- Reset the PCM with the HDS
- Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE )
- 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
- Check for Pending or Confirmed DTCs with the HDS
Is DTC P0507 indicated?
YES -Check for poor connections or loose terminals at the throttle body and the PCM, then go to step 1
NO -Go to step 11
- Monitor the OBD STATUS for DTC P0507 in the DTCs MENU with the HDS
Does the screen indicate PASSED?
YES -Troubleshooting is complete If any other Pending or Confirmed DTCs were indicated in step 10, go to the indicated DTC's troubleshooting
NO -If the screen indicates FAILED, check for poor connections or loose terminals at the throttle body and the PCM, then go to step 1 If the screen indicates EXECUTING, keep idling until a result comes on If the screen indicates OUT OF CONDITION, recheck with different load conditions (turn on the headlights, the blower motor, or the A/C, change the gear position, etc), then go to step 9