Diagnostic Test

CHECK FOR POWERTRAIN CONTROL MODULE (PCM) DTCS
1. With the scan tool, read PCM DTCs.
  Are there any battery or charging system DTCs?
  
  Yes
  - Perform the appropriate PCM DTC diagnostic procedure. Refer to DTC INDEX .
  No
  - Go To 2
CHECK FOR AN ACTIVE DTC
1. With the scan tool, record and erase the DTCs.
2. Start the engine.
3. Allow the engine to idle for two minutes.
4. With the scan tool, read the DTCs.
  Is the same DTC active?
  
  Yes
  - Go To 3
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK RELATED HARNESS CONNECTIONS
1. Disconnect all ICS harness connectors.
2. Disconnect all related in-line harness connections (if equipped).
3. Disconnect the related component harness connectors.
4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Check for spread terminals and verify proper terminal tension.
  Repair any conditions that are found.
5. Connect all ICS harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
6. Connect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
7. Connect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. With the scan tool, erase DTCs.
9. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
10. With the scan tool, read ICS DTCs.
  Is the same DTC active?
  
  Yes
  - Replace Integrated Center Stack (ICS) in accordance with the Service Information. Refer to MODULE, INTEGRATED CENTER STACK (ICSM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repairing the wiring harness or connections corrected the problem.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .