How to troubleshoot

1. Bring in the car

   Next

2. Phenomenon check

   Next

3. Checking the diagnostic codes (Refer to Checking/clearing diagnostic codes )
   1. DTC check
   2. Clearing diagnostic code
   3. Rechecking the diagnostic codes

   Result

   RESULT REFERENCE
   
   

   Result	Go to
   Code output present	A
   No code output	B

   B: Go to Step  5

   A

4. List of diagnostic codes (main inspection parts) or troubleshooting for each code

   Result

   RESULT REFERENCE
   
   

   Result	Go to
   Fault location confirmed	A
   Fault location not confirmed	B

   A: Go to Step  7

   B: Go to Step  6

5. Inspection with SSM4 (Refer to Data monitor/active test )
   1. Perform the ECM data monitor and the active test.

   Result

   RESULT REFERENCE
   
   

   Result	Go to
   Fault location not confirmed	A
   Fault location confirmed	B

   B: Go to Step  7

   A

6. Inspection of the ECM terminal voltage and circuit (Refer to ECM terminal arrangement )

   Next

7. Repair faulty parts

   Next

8. Checking the diagnostic codes (Refer to Checking/clearing diagnostic codes )

Next: Completed