How To Proceed With Troubleshooting

HINT:

Use these procedures to troubleshoot the active stabilizer suspension system.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage: 11 to 14 V 

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

   NEXT 

3. CHECK COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN) 
   1. Use Techstream to check if the multiplex communication system (MPX) is functioning normally.

      Result 

      DTC RESULT REFERENCE
      
      

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

   B :  Go to MULTIPLEX COMMUNICATION SYSTEM

   A : Go to Next Step 

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

      Result 

      DTC 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 

5. CHECK FOR DTC 
   1. Check for DTC (see DTC CHECK/CLEAR  ).
   2. Delete the DTC.
   3. Recheck the DTC.

      Result 

      DTC RESULT REFERENCE
      
      

      Result	Proceed to
      DTC does not reoccur	A
      DTC reoccurs	B

   B : Go to DIAGNOSTIC TROUBLE CODE CHART 

   A : Go to Next Step 

6. PROBLEM SYMPTOMS TABLE 

   Result 

   DTC 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  8

   A : Go to Next Step 

7. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. Terminals of ECU (see TERMINALS OF ECU  ).
   2. DATA LIST/ACTIVE TEST (see DATA LIST/ACTIVE TEST  ).

   NEXT 

8. REPAIR OR REPLACE 

   NEXT 

9. CONFIRMATION TEST 

   NEXT : END