How To Proceed With Troubleshooting

HINT: 

• Use the following procedures to troubleshoot the cruise control system.
• *: Use a 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 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  PROBLEM SYMPTOMS TABLE 

      A: Go to next step 

4. CHECK INDICATOR 
   1. Check the indicator. Refer to DIAGNOSIS SYSTEM .

      NEXT: Go to next step 

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

      Result

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

      A → GO TO STEP   7 

      B: Go to next step 

6. DTC CHART* 

   Refer to DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART .

   NEXT → GO TO STEP   10 

7. PROBLEM SYMPTOM CONFIRMATION 

   Result

   Result	Proceed to
   Symptom occurs	A
   Symptom does not occur	B

   A → GO TO STEP   9 

   B: Go to next step 

8. PROBLEM SYMPTOMS TABLE 

   Refer to the PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE .

   NEXT: Go to next step 

9. CIRCUIT INSPECTION 

   NEXT: Go to next step 

10. CHECK TERMINALS OF ECM 

    Refer to TERMINALS OF ECM. Refer to TERMINALS OF ECM .

    NEXT: Go to next step 

11. IDENTIFICATION OF PROBLEM 

    NEXT: Go to next step 

12. REPAIR OR REPLACE 

    NEXT: Go to next step 

13. CONFIRMATION TEST 

    NEXT → END