Inspection Procedure

HINT

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction.

1. CHECK ANY OTHER DTC OUTPUT (IN ADDITION TO DTC P0121) 
   1. Connect the Techstream to the DLC3
   2. Turn the engine switch on (IG)
   3. Turn the Techstream ON
   4. Enter the following menus. Powertrain / Engine / Trouble Codes.
   5. Read the DTC

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      DTC P0121 is output	A
      DTC P0121 and other DTCs are output	B

      HINT.

      If any DTCs other than P0121 are output, troubleshoot those DTCs first

   B: GO TO DTC CHART  (See DIAGNOSTIC TROUBLE CODE CHART )

   A: REPLACE THROTTLE BODY  (See REMOVAL )