Diagnostic Test

CHECK FOR POWERTRAIN CONTROL MODULE (PCM) DTCS
1. With the scan tool, read the active PCM DTCs.
  Are there any battery or charging system DTCs?
  
  Yes
  - Refer to DTC INDEX and perform the appropriate diagnostic procedure.
  No
  - Go To 2
CHECK FOR AN ACTIVE DTC
1. With the scan tool, record and erase the Amplifier DTCs.
2. Start the engine.
3. Allow the engine to idle for two minutes.
4. With the scan tool, read the Amplifier DTCs.
  Is the DTC active?
  
  Yes
  - Replace Amplifier in accordance with the Service Information. Refer to AMPLIFIER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .