How To Troubleshoot

1. Perform the interview and phenomenon check (Refer to CHECK LIST FOR INTERVIEW )

1. Check the vehicle specification.

   Result

   RESULT DESCRIPTION
   
   

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

   1. Go to next step
   2. Go to Step  5.

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

   Result

   RESULT DESCRIPTION
   
   

   Result	Go to
   Functioning properly	A
   Not functioning properly	B

   1. Go to next step
   2. Go to the CAN communication system section (Refer to HOW TO TROUBLESHOOT )

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

   Result

   RESULT DESCRIPTION
   
   

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

   1. Go to next step
   2. Go to Step  7.

1. Function inspection (Refer to WINDOW DEFOGGER SYSTEM )
2. ECM terminal arrangement (Refer to ECM TERMINAL ARRANGEMENT )
3. Data monitor/active test*1 (Refer to DATA MONITOR/ACTIVE TEST )

   *1: For automatic air conditioning system

Complete