Diagnostic Test

CHECK FOR AN ACTIVE DTC 

1. Start the engine and allow it to idle.
2. With the scan tool, read DTCs and record on the repair order.

   Is the DTC active or pending?

   Yes 

   • Diagnose the charging system and repair the overcharging condition.
   • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

   No 

   • Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .