System Inspection
- Was the PCM just replaced or reflashed?
YES
- Using a scan tool, perform "VIN WRITING" procedure. Refer to the latest Reference manual for scan tool and go to VERIFICATION OF VEHICLE REPAIR procedure
NO
- Using a scan tool, read VIN information.
If there is no proper VIN information, perform "VIN WRITING" procedure.
If VIN information exists, substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM.
And go to VERIFICATION OF VEHICLE REPAIR procedure.