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 Codes.
5. Read DTCs.
   RESULT
   
   

   Result	Refer to
   P0505	A
   P0505 and other DTCs	B

   HINT: 

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

B → Refer to step   6 

A: Refer to next step 

1. Check the PCV hose connections.

   OK

   PCV hose is connected correctly and is not damaged.

NG → REPAIR OR REPLACE PCV HOSE 

OK: Refer to next step 

1. Check the intake system for vacuum leak. Refer to ON-VEHICLE INSPECTION - Step 1 .

   OK

   No leak from intake system.

NG → REPAIR OR REPLACE INTAKE SYSTEM 

OK: Refer to next step 

1. Check the throttle valve condition.

   OK

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

NG → Refer to step   7 

OK: Refer 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
   
   

   Result	Refer to
   P0505	A
   No DTC output	B

B → END 

A → Refer to step   8