System Inspection

Check air leakage
1. Check contamination or installation of Gasket
  Check throttle body gasket
  
  Check gasket between intake manifold and surge tank.
  
  Check contamination or clog by foreign material of gasket between intake manifold and injector.
  
  Check contamination or open stuck resulting from foreign material between surge tank and PCSV.
2. Is there any air leakage?
  YES
  
  Repair or replace as necessary and then, go to VERIFICATION OF VEHICLE REPAIR procedure.
  
  NO
  
  Go to 2 "Check exhaust system for clogging" as follows.
Check exhaust system for clogging
1. Check exhaust system.
  Clogged or broken muffler
  
  Broken catalyst
2. Is the exhaust system clogged?
  YES
  
  Go to 3 "Check throttle valve for stuck" as follows.
  
  NO
  
  Repair or replace as necessary and then, go to VERIFICATION OF VEHICLE REPAIR procedure.
Check throttle valve for stuck
1. IG "OFF".
2. Remove air hose between throttle body and airflow sensor.
3. Check if throttle valve is stuck by foreign material.
4. Is the throttle valve normal?
  YES
  
  Go to "COMPONENT INSPECTION " procedure.
  
  NO
  
  After getting rid of foreign material, check that throttle valve is normal. And check for proper operation. If the problem is corrected, replace ETC and then go to VERIFICATION OF VEHICLE REPAIR procedure.
  CAUTION:
  Procedure of ETS Initialization
  1. Erase the trouble codes on PCM
  2. Turn the ignition key off and keep this condition until the main relay is turned off. (It will take 10 sec.)
  3. Turn ignition key on more than 1 second to record the throttle motor position on the EEPROM