How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the cruise control 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.

3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the CAN Communication System is functioning normally.

      Result 

   RESULT TABLE
   
   

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

   B: Go to CAN COMMUNICATION SYSTEM  (see DIAGNOSTIC TROUBLE CODE TABLE )

   A: Go to Next Step 

4. CHECK INDICATOR LIGHT 
5. CHECK FOR DTC* 
   1. Check for DTCs (see DTC CHECK/CLEAR  ).
   2. Clear the DTCs (see DTC CHECK/CLEAR  ).
   3. Recheck for DTCs (see DTC CHECK/CLEAR  ).

      Result 

   RESULT TABLE
   
   

   Result	Proceed to
   DTC does not reoccur	A
   DTC reoccurs	B

   B:  Go to step  8

   A: Go to Next Step 

6. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT TABLE
   
   

   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. See TERMINALS OF ECM  ).
   2. See DATA LIST/ACTIVE TEST  ).
8. REPAIR OR REPLACE 
9. CONFIRMATION TEST 

NEXT: END