How To Proceed With Troubleshooting

HINT:

• Use the following 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 to the next step.

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
   
   

   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
   
   

   Result	Proceed to
   OTC does not reoccur	A
   DTC does reoccur	B

   B: GO TO STEP  7

   A: Go to Next Step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT REFERENCE
   
   

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

   B: GO TO STEP  7

   A: Go to Next Step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU (See TERMINALS OF ECU ).
   2. Data List / Active Test (See DATA LIST / ACTIVE TEST ).
7. REPAIR OR REPLACE 
8. CONFIRMATION TEST 

   NEXT: END