How To Proceed With Troubleshooting

HINT:

• Use the following procedures to troubleshoot the key reminder warning system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 
   1. Measure the battery voltage

      Standard voltage: 

      11 to 14 V 

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

      COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM RESULT REFERENCE
      
      

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

   B: Go to CAN COMMUNICATION  (See COMBINATION METER ECU COMMUNICATION STOP MODE )

   A: Go to next step 

4. PROBLEM SYMPTOMS TABLE 

   Result 

   PROBLEM SYMPTOMS 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  6

   A: Go to next step 

5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. See OPERATION CHECK 
   2. See TERMINALS OF ECU 
   3. See DATA LIST / ACTIVE TEST 
6. REPAIR OR REPLACE 
7. CONFIRMATION TEST 

   NEXT: END