1.CHECK GROUND CONNECTION
 
 2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
 
 3.DETECT MALFUNCTIONING PART
 
 4.CHECK ECM POWER SUPPLY CIRCUIT-I
 
 5.DETECT MALFUNCTIONING PART
 
 6.CHECK ECM POWER SUPPLY CIRCUIT-II
 
 7.CHECK ECM POWER SUPPLY CIRCUIT-III
 
 8.CHECK INTERMITTENT INCIDENT
 
 9.CHECK ECM POWER SUPPLY CIRCUIT-III
 
 10.CHECK ECM POWER SUPPLY CIRCUIT-IV
 
 11.DETECT MALFUNCTIONING PART
 
 12.CHECK 15A FUSE
 
 13.CHECK ECM POWER SUPPLY CIRCUIT-IV
 
 14.DETECT MALFUNCTIONING PART
 
 15.CHECK INTERMITTENT INCIDENT