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Diagnostic Procedures

  1. Perform POWERTRAIN DIAGNOSTIC SYSTEM CHECK  under POWERTRAIN DIAGNOSTIC SYSTEM CHECKS. If DTC or driveability concern was repaired using powertrain diagnostic system check, go to step  3. If no DTC or driveability concern was repaired using powertrain diagnostic system check, go to next step.
  2. Review any service bulletins for software updates that may prevent I/M readiness. Perform any reprogramming or repairs indicated by the service bulletins. If reprogramming or repair service was required, go to INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE . If reprogramming or repair service was not required, go next step.
  3. Using scan tool, observe the I/M System Status display. If more than one test is indicating a NO status, go to INSPECTION/MAINTENANCE COMPLETE SYSTEM SET PROCEDURE . If a YES status is indicated, go to INSPECTION/MAINTENANCE SYSTEM DTC TABLE .
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