How To Proceed With Troubleshooting [09/2012 - ]

HINT: 

• Use these procedures to troubleshoot the LIN communication system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

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

   NEXT: Go to next step 

3. CHECK FOR DTC (ELECTRICAL POWER CONTROL SYSTEM)* 
   1. Using the Techstream, check if the electric power control system is functioning normally.
      RESULT
      
      

      Result	Proceed to
      DTC B22B3 is not output	A
      DTC B22B3 is output	B

      B → GO TO ELECTRIC POWER CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2012 - ] 

      A: Go to next step 

4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the communication system. Refer to PRECAUTION [09/2012 - ] .
      RESULT
      
      

      Result	Proceed to
      No DTCs output	A
      DTCs output	B

      B → GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2012 - ] 

      A: Go to next step 

5. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
   1. Using the Techstream, inspect the LIN communication function to ensure there are no malfunctions in the communication system.
      RESULT
      
      

      Result	Proceed to
      No DTCs output	A
      DTCs output	B

      B → DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2012 - ]  

      A: Go to next step 

6. PROBLEM SYMPTOMS TABLE 
   RESULT
   
   

   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. Data List/Active Test. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] 
   2. Terminals of ECU. Refer to TERMINALS OF ECU [09/2012 - ] 

      NEXT: Go to next step 

8. ADJUST, REPAIR OR REPLACE 

   NEXT → END