OVERALL SEQUENCE

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 DETAILED FLOW

 
 1.OBTAIN INFORMATION ABOUT SYMPTOM
 
 2.CHECK SYMPTOM
 
 3.CHECK ON BOARD DIAGNOSIS OPERATION
 
 4.CHECK CONSULT‐III SELF-DIAGNOSIS RESULTS
 
 5.NARROW DOWN THE MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS
 
 6.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUITS
 
 7.REPLACE COMBINATION METER
 
 8.REPAIR OR REPLACE MALFUNCTIONING PARTS
 
 9.FINAL CHECK