How To Proceed With Troubleshooting

1. VEHICLE BROUGHT TO WORKSHOP

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2. INSPECT BATTERY VOLTAGE

   Standard voltage: 11 to 14 V

   If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

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3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
   1. Use the SSM4 to check if the CAN communication system is functioning normally.
   RESULT REFERENCE
   
   

   Result	Proceed to
   DTC is not output	A
   DTC is output B

   B: GO TO CAN COMMUNICATION SYSTEM

   A

4. PROBLEM SYMPTOMS TABLE
   RESULT REFERENCE
   
   

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	B

   B: Go to step  6

   A

5. OVERALL ANALYSIS AND TROUBLESHOOTING*
   1. Operation Check (See Data monitor/active test )
   2. Data monitor/active test (See Data monitor/active test )
   3. ECM terminal arrangement (See ECM terminal arrangement )

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6. REPAIR OR REPLACE

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7. CONFIRMATION TEST

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END