DTC P0505: Idle Control System Malfunction: Procedure

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following the menus: Powertrain / Engine / Trouble Codes.
5. Read the DTCs.

   Result

   Display (DTC output)	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   6 

A: Go to next step 

1. Check the PCV hose connectionsRefer to ON-VEHICLE INSPECTION - Step 1 .

   OK

   PCV valve and hose are connected correctly and are not damaged.

NG → REPAIR OR REPLACE PCV HOSE 

OK: Go to next step 

1. Check the air induction system for vacuum leaksRefer to ON-VEHICLE INSPECTION .

   OK

   No leaks in air induction system.

NG → REPAIR OR REPLACE AIR INDUCTION SYSTEM 

OK: Go to next step 

1. Check the throttle body assembly condition.

   OK

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

NG → See step   7 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Clear the DTCsRefer to DTC CHECK / CLEAR .
5. Turn the engine switch off and wait for at least 30 seconds.
6. Turn the engine switch on (IG).
7. Turn the Techstream on.
8. Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
9. Enter the following menus: Powertrain / Engine / Trouble Codes.
10. Read the pending DTCs.

    Result

    Result	Proceed to
    DTC P0505 is output	A
    DTC is not output	B

B → END 

A → See step   8