Inspection Procedure

HINT:

Read freeze frame data using the hand-held tester or the OBD II scan tool, as 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. CHECK OTHER DTC OUTPUT (BESIDES DTC P0505) 
   1. Read the DTC using the hand-held tester or the OBD II scan tool.

      Result: 

   DTC OUTPUT SPECIFICATION
   
   

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

   HINT:

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

   1. B : GO TO RELEVANT  DIAGNOSTIC TROUBLE CODE TABLE  
   2. A : GO TO NEXT STEP 
2. CHECK CONNECTION OF PCV HOSE 
   1. NG: REPAIR OR REPLACE PCV HOSE 
   2. OK: GO TO NEXT STEP 
3. CHECK AIR INDUCTION SYSTEM 
   1. Check for vacuum leaks in air induction system.
   1. NG: REPAIR OR REPLACE AIR INDUCTION SYSTEM 
   2. OK: CHECK ELECTRIC THROTTLE CONTROL SYSTEM (See  SFI SYSTEM  )