DTC P0505: Idle Control System Malfunction: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
5. Read DTCs.
   RESULT
   
   

   Display (DTC Output)	Proceed to
   DTC P0505 is output	A
   DTC P0505 and other DTCs are output	B

   HINT: 

   If any DTCs other than P0505 are output, troubleshoot those DTCs first.

B → See step   6 

A: Go to next step 

1. Check the PCV hose connections.

   OK

   PCV hose is connected correctly and is not damaged.

NG → See step   7 

OK: Go to next step 

1. Check the intake system for vacuum leakage.

   OK

   No leakage in intake system.

NG → REPAIR OR REPLACE INTAKE SYSTEM 

OK: Go to next step 

1. Check the throttle valve condition.

   OK

   Throttle valve is not contaminated with foreign objects and moves smoothly.

NG → See step   8 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
5. Read DTCs.
   RESULT
   
   

   Display (DTC Output)	Proceed to
   DTC P0505 is output	A
   No DTC is output	B

B → END 

A → See step   9