DTC P0505: Idle Control System Malfunction: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505)
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the tester on.
- Enter the following the menus: Powertrain / Engine / Trouble Codes.
- Read DTCs.
Result
Display (DTC output) Proceed to Only P0505 A P0505 and other DTCs B HINT:
If any DTCs other than P0505 are output, troubleshoot those DTCs first.
B → GO TO DTC CHART
A: Go to next step
- CHECK PCV HOSE (HOSE CONNECTION)
OK
PCV hose is connected correctly and is not damaged.
NG → REPAIR OR REPLACE PCV HOSE
OK: Go to next step
- CHECK AIR INDUCTION SYSTEM
- Check the air induction system for vacuum leakage.
OK
No leakage from air induction system.
NG → REPAIR OR REPLACE AIR INDUCTION SYSTEM
OK: Go to next step
- Check the air induction system for vacuum leakage.
- CHECK THROTTLE VALVE
- Check the throttle valve condition.
NG → REPLACE THROTTLE BODY
OK → See step 5
- REPLACE ECM. Refer to REMOVAL