28 - DTC-Based Diagnostics / MODULE, Powertrain Control ...
28 - DTC-Based Diagnostics / MODULE, Powertrain Control (PCM), 6.7L Diesel / Standard Procedure
POWERTRAIN VERIFICATION TEST - 6.7L
POWERTRAIN VERIFICATION TEST
[pic]
|NOTE: |If the battery was disconnected for any reason, you must perform the Battery Reconnection procedure in the 8F-Engine |
| |Systems section of the Service Information. |
|1. |Clear the DTC before continuing. |
|2. |Check if any of the following conditions exist. |
|3. |The PCM has been disconnected or replaced. |
|4. |The battery power has been disconnected. |
|5. |If the PCM has been replaced, do the following: |
|6. |Record injector correlation codes. |
|7. |For ABS and Airbag Systems: Action: Enter correct VIN and Mileage in PCM. Erase ABS and Airbag Module codes. |
|NOTE: |If the Powertrain Control Module has been replaced and the correct VIN and mileage have not been programmed, a DTC |
| |will be set in the ABS, Airbag Modules and Wireless Control Module. |
|8. |If the PCM has not been replaced, do the following. |
|9. |Inspect the vehicles to ensure that all engine components are connected. Reassemble and reconnect components as necessary. |
|10. |Attempt to start the engine. |
|11. |If the engine is unable to start, look for any Technical Service Bulletins that may relate to this condition. Return to DTC |
| |list if necessary. |
|12. |If this verification procedure is being performed after a No Trouble Code repair, do the following. |
|13. |Check to see if the initial symptom still exists. If the initial or another symptom exists, the repair is not complete. |
| |Check all pertinent Technical Service Bulletins and return to the DTC list if necessary. |
|14. |If this verification procedure is being performed after a Trouble Code repair, do the following. |
|15. |Connect the scan tool to the data link connector and erase trouble codes. |
|16. |With the scan tool, reset all memory values. |
|17. |If this test is for an A/C trouble code, ensure it is operating during the following road test. |
|18. |Drive the vehicle for at least five minutes, For some of the drive, go at least 64 km/h (40 MPH). At some point stop the |
| |vehicle and turn the engine off for 10 seconds or more; then restart and continue. Make sure the transmission shifts through|
| |all gears. |
|19. |Upon completion of the road test, turn the engine off and read trouble codes with the scan tool. If a trouble code has been |
| |set, return to the DTC list and follow the path specified. |
Are any DTCs present?
Yes
• Repair is not complete, perform appropriate diagnostic procedure.
No
• Repair is complete.
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