System Inspection
- Was the PCM just replaced or reflashed?
YES : --> Using a scan tool, perform "VIN WRITING " procedure (See VIN PROGRAMMING PROCEDURE ). Refer to the latest 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 (See VIN PROGRAMMING 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.