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Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2UZ-FE) >> SFI System >> DTC P0505 Idle Control System Malfunction >> Inspection Procedure
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Inspection Procedure

HINT:

  1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0505) 
    1. Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.
    2. Turn the ignition switch ON.
    3. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.
    4. Read the DTCs.

      HINT:

      If any other codes besides P0101 are output, perform troubleshooting for those DTCs first.

      Result 

      RESULT REFERENCE

      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: GO TO RELEVANT DTC CHART 

    A: Go to next step 

  2. CHECK CONNECTION OF VENTILATION HOSE 

    OK: 

    Ventilation hose is connected correctly and is not damaged. 

    NG: REPAIR OR REPLACE VENTILATION HOSE 

    OK: Go to next step 

  3. CHECK AIR INDUCTION SYSTEM 
    1. Check for vacuum leaks in the air induction system.

      OK: 

      No leakage from air induction system. 

    NG: REPAIR OR REPLACE AIR INDUCTION SYSTEM 

    OK: Go to next step 

  4. CHECK THROTTLE VALVE 
    1. Check the throttle valve condition.

    NG: REPLACE THROTTLE BODY 

    OK: REPLACE ECM