Diagnostic Test

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
3. With the scan tool, erase all DTCs.
4. Turn the ignition off for a minimum of 10.0 seconds.
5. Turn the ignition on.
6. Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
7. With the scan tool, read DTCs.
  NOTE:
  The PCM tests the Throttle Body Assembly by opening and closing the Throttle Body plate before starting the engine.
  
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
INSPECT THE THROTTLE BODY FOR FOREIGN MATERIAL, SCORING, OR OTHER DAMAGE THAT COULD CAUSE THE THROTTLE PLATE TO STICK
1. Turn the ignition off.
2. Remove the Air Cleaner Assembly from the Throttle Body.
3. Check for any signs of a foreign material (ice or dirt) on the Throttle Plate or in the bore causing the Throttle Plate to stick.
4. Inspect for any signs of coking or a foreign material (ice or dirt) on the Throttle Plate or in the bore causing the Throttle Plate to stick. Turn the ignition on and use the scan tool to actuate the Throttle Plate and check for any sticking.
  Were any signs of foreign material or scoring of the Throttle Plate or bore found?
  
  Yes
  - Clean the throttle blade and bore if possible or replace the Throttle Body Assembly in accordance with the Service Information if necessary. Refer to THROTTLE BODY, REMOVAL AND INSTALLATION . Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and perform the ETC RELEARN function.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
CHECK THE THROTTLE BODY CONNECTOR FOR DAMAGE OR POOR FIT
1. Disconnect the Throttle Body harness connector.
2. Check the connector for any corroded, pushed out, spread or damaged terminals.
  Were any problems found?
  
  Yes
  - Repair the Throttle Body connector or wiring.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Throttle Body Assembly in accordance with the Service Information. Refer to THROTTLE BODY, REMOVAL AND INSTALLATION . Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and perform the ETC RELEARN function.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .