Inspection Procedure

HINT:

Read freeze frame data using 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 help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0121) 
   1. Connect Techstream to the DLC3.
   2. Turn the ignition switch to the ON position.
   3. Turn the tester on.
   4. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
   5. Read the DTCs.

      Result 

      RESULT CHART
      
      

      Display (DTC output)	Proceed to
      P0121	A
      P0121 and other DTCs	B

      HINT:

      If any of DTCs other than P0120 are output. Troubleshoot those DTCs first.

   B: Go TO DTC CHART 

   A: REPLACE THROTTLE BODY ASSEMBLY