How To Proceed With Troubleshooting

HINT:

• Use the procedure listed to troubleshoot the Active Torque Control 4WD system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 

   11 to 14 V 

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

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

      Result 

      RESULT REFERENCE CHART
      
      

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

      B:  Go to CAN COMMUNICATION SYSTEM

      A: Go to Next Step 

4. CHECK DTC* 
   1. Check for DTCs (See DTC CHECK / CLEAR  ).
   2. Clear the DTCs.
   3. Recheck for DTCs.

      Result 

      RESULT REFERENCE CHART
      
      

      Result	Proceed to
      DTC does not reoccur	A
      DTC reoccurs	B

      B: GO TO STEP  8

      A: Go to Next Step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT REFERENCE CHART
   
   

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

   B: Go to step  8

   A: Go to Next Step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. See TERMINALS OF ECU 
   2. See DATA LIST / ACTIVE TEST  ).
7. REPAIR OR REPLACE 
8. CONFIRMATION TEST