How To Proceed With Troubleshooting

HINT: 

• Use these procedures to troubleshoot the push-button start function.
• *: 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. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Using the Techstream, check if the CAN communication system is functioning normally. Refer to DIAGNOSIS SYSTEM .
      RESULT
      
      

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

      B → GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to  DIAGNOSTIC TROUBLE CODE CHART 

      A: Go to next step 

4. CHECK FOR DTC* 
   1. Check for DTCs and note any stored DTCs. Refer to DTC CHECK / CLEAR .
   2. Clear the DTCs.
   3. Check whether the same DTC(s) relevant to the SFI system or smart key system recurs by reproducing the symptoms indicated by the noted DTC(s) in the first step above.
      RESULT
      
      

      Result	Proceed to
      DTC output does not reoccur	A
      SFI system DTC output reoccurs	B
      Smart key system DTC output reoccurs	C

      B → GO TO SFI SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to  DIAGNOSTIC TROUBLE CODE CHART 

      C → GO TO STEP 7 

      A: Go to next step 

5. 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 ECU. Refer to TERMINALS OF ECU 
   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