DTC P0505: Idle Control System Malfunction: Procedure

1. Connect a 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 Codes.
5. Read DTCs.
   RESULT
   
   

   Result	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 

OK

PCV hose is connected correctly and is not damaged.

NG → REPAIR OR REPLACE PCV HOSE 

OK: Go to next step 

1. Check the intake system for vacuum leak.

   OK

   No leak from 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   7 

OK: Go to next step 

1. Connect a 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
   
   

   Result	Proceed to
   DTC P0505 is output	A
   No DTC is output	B

B → END 

A → See step   8