Inspection Procedure

1. Check if any DTC is recorded for the CAN communication system (See DIAGNOSIS SYSTEM ).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC not output	A
   DTC output	B

B: REPAIR CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: Go to next step 

1. Check if any DTC is recorded for the engine control system (See DTC CHECK/CLEAR ).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC output	A
   DTC not output	B

B: REPLACE ECM  (See REMOVAL )

A: REPAIR ENGINE CONTROL SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )