Inspection Procedure

HINT:

Read freeze frame data using the hand-held tester or the OBD II scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air-fuel ratio was lean or rich, etc. at the time of the malfunction.

1. Are there any other codes (besides P0505) being output? 

   PREPARATION: 

   1. Connect the hand-held tester or the OBD II scan tool to the DLC3.
   2. Turn the ignition switch ON and push the hand-held tester or the OBD II scan tool main switch ON.
   3. Enter the following menus: DIAGNOSIS/ENHANCED OBD II/DTC INFO/CURRENT CODES.

   CHECK: 

   Read the DTC using the hand-held tester or the OBD II scan tool.

   RESULT: 

   RESULT
   
   

   Display (DTC Output)	Proceed to
   P0505	A
   "P0505" and other DTCs	B

   HINT:

   If any other codes besides P0505 are output, perform the troubleshooting for those DTCs first.

   B: Go to relevant DTC chart (See  DIAGNOSTIC TROUBLE CODE CHART  ). 

   A: Go to next step. 

2. Check connection of PCV piping. 

   NG: Repair or replace PCV piping. 

   OK: Go to next step. 

3. Check air induction system (See  SFI SYSTEM  ). 

   CHECK: 

   Check for vacuum leaks in air induction system.

   NG: Repair or replace air induction system. 

   OK: Check electric throttle control system (See  THROTTLE BODY  ).