How To Proceed With Troubleshooting

HINT: 

• Use the following procedure to troubleshoot the cruise control 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, replace or recharge the battery before proceeding to the next step.

   NEXT: Go to 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	Proceed to
      CAN DTC is not output	A
      CAN DTC is output	B

      B → GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      A: Go to next step 

4. CHECK FOR DTC* 
   1. Check for DTCs. Refer to DTC CHECK / CLEAR .
   2. Clear the DTCs.
   3. Recheck for DTCs.
      RESULT
      
      

      Result	Proceed to
      DTC does not reoccur	A
      DTC reoccurs	B

      B → GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART  

      A: Go to next step 

5. PROBLEM SYMPTOMS TABLE 

   Refer to Problem Symptoms Table. Refer to 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   7 

   A: Go to next step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECM. Refer to TERMINALS OF ECM 
   2. Data List / Active Test. Refer to DATA LIST / ACTIVE TEST 

      NEXT: Go to next step 

7. ADJUST, REPAIR OR REPLACE 

   NEXT: Go to next step 

8. CONFIRMATION TEST 

   NEXT → END