How To Troubleshoot: Notes

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1. Perform the INTERVIEW AND PHENOMENON CHECK  (Refer to )

   Next

1. Check the vehicle specification.

   Result

   Result	Go to
   For automatic air conditioning system	A
   Except for automatic air conditioning system	B

   B: Go to Step  5.

   A: Go to next step

1. Check CAN communication system. (Refer to HOW TO TROUBLESHOOT )

   Result

   Result	Go to
   Functioning properly	A
   Not functioning properly	B

   B: Go to the CAN communication system article (Refer to HOW TO TROUBLESHOOT )

   A: Go to next step

1. Check the symptom table. (Refer to SYMPTOM TABLE  )

   Result

   Result	Go to
   Not applicable to the symptom table.	A
   Applicable to the symptom table.	B

   B: Go to Step  7.

   A: Go to next step

1. Function check (Refer to FUNCTION INSPECTION  )
2. ECM terminal matrix (Refer to ECM TERMINAL ARRANGEMENT  )
3. Display of current data/system operation check mode *1 (Refer to DISPLAY OF CURRENT DATA / SYSTEM OPERATION CHECK MODE  ).

   *1: For automatic air conditioning system

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