DTC P0505: Idle Control System Malfunction: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505)
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read DTCs.
Result
Result Proceed to P0505 A P0505 and other DTCs B HINT:
If any DTCs other than P0505 are output, troubleshoot those DTCs first.
B → See step 5
A: Go to next step
- CHECK PCV HOSE CONNECTIONS
- Check the PCV hose connections.
OK
PCV hose is connected correctly and is not damaged.
NG → REPAIR OR REPLACE PCV HOSE
OK: Go to next step
- Check the PCV hose connections.
- CHECK INTAKE SYSTEM
- Check the intake system for vacuum leaks. Refer to ON-VEHICLE INSPECTION
.
OK
No leak from intake system.
NG → REPAIR OR REPLACE INTAKE SYSTEM
OK: Go to next step
- Check the intake system for vacuum leaks. Refer to ON-VEHICLE INSPECTION
.
- INSPECT THROTTLE BODY (THROTTLE VALVE)
- Check the throttle valve condition.
OK
Throttle valve is not contaminated with foreign objects and moves smoothly.
NG → See step 6
OK → See step 7
- Check the throttle valve condition.
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART
- REPLACE THROTTLE BODY. Refer to COMPONENTS
- REPLACE ECM. Refer to COMPONENTS